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及其所需的信号。",{"id":620,"navLabel":621,"heading":622,"paragraphs":623,"blocks":628},"oil-gas-process-samples","工艺样气","工艺样气：先考虑样气路径",[624,625,626,627],"测量管线或容器内部的气体，首先是样气处理问题，其次才是传感器问题。在样气路径中冷凝的水会吸收部分被测气体，随样气带出的液体或污物还可能损坏分析仪。请根据气流的实际成分选择预处理环节。","酸性气体。H₂S 会溶于冷凝水，因此如果采样管线中有水冷凝，气体到达分析仪之前读数就可能偏低。在一套页岩气脱硫撬的出口，处理后的气体须保持在 50 ppm 以下，逸云天为其配用了一台 0–50 ppm 差分紫外分析仪（DOAS-3000）和电伴热采样管线，而不是将水分冷凝除去。","井口伴生气。伴生气可能把油和水分带入样气路径。在一个 CO₂ 驱油田的井口进行现场 CO₂ 监测时，逸云天技术团队在进气口加装了带手动排液的油气分离器、额外的高湿过滤器和防水透气膜，使液体远离红外传感器。","高温、高湿或含尘样气。TH-2000-C 资料记载的应用为排放与烟气监测、烟气脱硫脱硝、锅炉尾气和污水管道。烃类或酸性气体工艺气流不在这些应用之内，因此其采样系统需按项目进行工程设计。对于资料记载的应用，TH-2000-C 用泵抽取样气并在分析前进行预处理，冷却、除湿、过滤和排液环节按项目选定。其标准样气温度为 −40 至 600 °C，最高 1,300 °C 的配置为选配。−40 至 70 °C 是机柜的工作温度范围，而非样气的温度。标准采样距离为 30–40 m，选配射流泵或真空泵可延长至 70 m 以上。室外采样管线可能冻结时，应指定伴热管线。",[629,632,641,651,657],{"kind":567,"content":630},[631],{"text":624},{"kind":633,"items":634},"images",[635],{"url":636,"width":637,"height":638,"alt":639,"caption":640},"\u002Fimages\u002Fdiagrams\u002Foil-gas-scene.svg",1100,570,"油气工艺区域示意图：一名胸前佩戴个人气体监测仪的作业人员，工艺容器旁立柱上的一台固定式气体检测仪，以及从容器引至分析仪机柜的一条采样管线。","作业人员的监测仪和固定式检测仪测量的是周围空气。容器内的气体只能经由采样管线及其预处理环节到达分析仪。此为示意场景，设备外形和位置仅作说明，并非安装设计。",{"kind":567,"content":642},[643,645,647,649],{"text":644,"strong":10},"酸性气体。",{"text":646},"H₂S 会溶于冷凝水，因此如果采样管线中有水冷凝，气体到达分析仪之前读数就可能偏低。在一套页岩气脱硫撬的出口，处理后的气体须保持在 50 ppm 以下，逸云天为其配用了一台 0–50 ppm 差分紫外分析仪（",{"text":648,"href":132},"DOAS-3000",{"text":650},"）和电伴热采样管线，而不是将水分冷凝除去。",{"kind":567,"content":652},[653,655],{"text":654,"strong":10},"井口伴生气。",{"text":656},"伴生气可能把油和水分带入样气路径。在一个 CO₂ 驱油田的井口进行现场 CO₂ 监测时，逸云天技术团队在进气口加装了带手动排液的油气分离器、额外的高湿过滤器和防水透气膜，使液体远离红外传感器。",{"kind":567,"content":658},[659,661,663,665],{"text":660,"strong":10},"高温、高湿或含尘样气。",{"text":662},"",{"text":664,"href":244},"TH-2000-C",{"text":666}," 资料记载的应用为排放与烟气监测、烟气脱硫脱硝、锅炉尾气和污水管道。烃类或酸性气体工艺气流不在这些应用之内，因此其采样系统需按项目进行工程设计。对于资料记载的应用，TH-2000-C 用泵抽取样气并在分析前进行预处理，冷却、除湿、过滤和排液环节按项目选定。其标准样气温度为 −40 至 600 °C，最高 1,300 °C 的配置为选配。−40 至 70 °C 是机柜的工作温度范围，而非样气的温度。标准采样距离为 30–40 m，选配射流泵或真空泵可延长至 70 m 以上。室外采样管线可能冻结时，应指定伴热管线。",{"id":668,"navLabel":669,"heading":670,"paragraphs":671,"blocks":677},"oil-gas-inquiry","获取报价","油气项目询价需要提供哪些信息",[672,673,674,675,676],"个人与远程检测：作业内容、需要同时测量的气体和量程，以及是否需要通过探杆或管路从量油口、储罐或人孔抽气。","固定点位：布局、每个点位的气体，以及控制器或 DCS 及其所需的信号。","工艺样气：气流组分（包括 H₂S、液态烃和游离水）；压力与温度；到机柜的路径；管线是否可能冻结；所需的读数频率；以及样气测量后的去向（放空、火炬或返回工艺）。","所有项目：国家、危险区域划分（例如 Zone 1 或 Class I, Division 1）以及现场要求的认证体系（例如 ATEX 或 IECEx）。","证书适用范围和电池续航取决于型号与配置。我们的销售工程师会针对您指定的配置确认这两项。询价准备清单列出了全部所需信息。",[678,702],{"kind":679,"ordered":680,"items":681},"list",false,[682,687,692,697],[683,685],{"text":684,"strong":10},"个人与远程检测：",{"text":686},"作业内容、需要同时测量的气体和量程，以及是否需要通过探杆或管路从量油口、储罐或人孔抽气。",[688,690],{"text":689,"strong":10},"固定点位：",{"text":691},"布局、每个点位的气体，以及控制器或 DCS 及其所需的信号。",[693,695],{"text":694,"strong":10},"工艺样气：",{"text":696},"气流组分（包括 H₂S、液态烃和游离水）；压力与温度；到机柜的路径；管线是否可能冻结；所需的读数频率；以及样气测量后的去向（放空、火炬或返回工艺）。",[698,700],{"text":699,"strong":10},"所有项目：",{"text":701},"国家、危险区域划分（例如 Zone 1 或 Class I, Division 1）以及现场要求的认证体系（例如 ATEX 或 IECEx）。",{"kind":567,"content":703},[704,706,708],{"text":705},"证书适用范围和电池续航取决于型号与配置。我们的销售工程师会针对您指定的配置确认这两项。",{"text":707,"href":266},"询价准备清单",{"text":709},"列出了全部所需信息。",[711,715,719,723],{"id":712,"question":713,"answer":714},"oil-gas-faq-tank-gauging-monitor","储罐计量或取样时，只戴 H₂S 监测仪够吗？","不够。打开储罐顶部的量油口，可能释放出浓度超过爆炸下限的烃类蒸气，并使空气缺氧；只测 H₂S 的监测仪对这两种情况都不会报警。NIOSH 建议从事这项作业的人员佩戴多气体监测仪。在量油口处，这意味着要同时测量可燃气体（以 %LEL 计，即浓度占爆炸下限的百分比）和氧气，采出液含 H₂S 时再加测 H₂S，也就是三种或更多气体的配置。",{"id":716,"question":717,"answer":718},"oil-gas-faq-lel-sensing-principle","含硫现场的 %LEL 检测仪，该用催化燃烧传感器还是红外传感器？","按测量点的背景气体和氧气条件来选，并在规格中写明这两项。催化燃烧传感器在接触 H₂S 或有机硅后可能失去灵敏度，传感反应还需要氧气，因此在惰化容器或充满蒸气的量油口等处读数会受到限制。烃类红外传感器不需要氧气，一般也不受催化剂中毒影响，但无法检测氢气。",{"id":720,"question":721,"answer":722},"oil-gas-faq-fixed-methane-h2s","一台固定式多气体检测器能同时监测甲烷和 H₂S 吗？","只有当两种气体都能到达同一安装点时才可以。甲烷比空气轻，H₂S 比空气重；如果危害评估预计甲烷会在高处积聚、H₂S 会在地面或排水口附近积聚，就需要在两个高度分别安装检测器。GTYQ-MIC-600 可在一个外壳内配置一至六种气体，适用于满足这一条件的安装点。",{"id":724,"question":725,"answer":726},"oil-gas-faq-sample-line-low-h2s","为什么采样管线上的 H₂S 分析仪读数会偏低？","H₂S 会溶于样气路径中冷凝的水，部分 H₂S 在到达分析仪之前就可能损失。请根据气流的实际成分选择预处理环节。在一套页岩气脱硫撬的出口，处理后的气体须保持在 50 ppm 以下，逸云天为其配用了一台 0–50 ppm 差分紫外分析仪和电伴热采样管线，而不是将水分冷凝除去。",{"title":728,"description":729},"油气行业气体检测：便携式、固定式与工艺采样","油气现场如何让便携式、固定式和采样式气体检测与烃类蒸气、H₂S 和氧气危害相匹配，包括酸性气体样气的处理方法。","油气现场如何让便携式、固定式和采样式气体检测与储罐量油口、酸性气体和工艺测量相匹配，以及每类测量需要说明哪些信息。",{"heroPrimaryLabel":732,"heroPrimarySectionId":558,"heroSecondaryLabel":733,"categoryDescription":734,"sectionTitles":735,"applicationCardSummaries":739},"阅读监测指南","沟通您的油气项目","按测量位置选择：作业人员的呼吸带、固定点位，或从管线、容器中抽取的样气。",{"categories":736,"applications":737,"products":738},"气体检测设备类别","油气现场的监测任务","适用于油气现场的气体检测仪",[740,742],{"applicationId":49,"summary":741},"供在井口、储罐和工艺设备之间走动的作业人员佩戴的监测仪。请根据每项作业的危害确定需同时测量的气体数量。",{"applicationId":41,"summary":743},"进入前从外部检测储罐、容器或人孔内的气体环境，再在人员进入期间持续监测。该指南涵盖探杆与管路采样。",{"market":17,"locale":18,"publication":745,"displayName":746,"h1":747,"intro":748,"sections":749,"faq":886,"seo":899,"cardSummary":902,"pagePresentation":903},{"status":552,"indexable":10},"Oil & Gas","Gas Detection for Oil & Gas Operations","Upstream and midstream oil and gas sites need three different measurements: the air a worker breathes while moving between wellheads, tanks and process equipment; the air at fixed points near likely release sources; and gas drawn from inside a process line or vessel. Each needs its own instrument and sampling arrangement. Eranntex configures portable detectors, fixed detectors and sample-conditioning systems to the gases and measuring ranges a project specifies.",[750,779,792,805,846],{"id":558,"navLabel":751,"heading":752,"paragraphs":753,"blocks":757},"Tank hatches","Tank gauging and sampling: why the gas count matters",[754,755,756],"Opening a thief hatch on a production tank can release hydrocarbon gases and vapors that have built up under pressure. NIOSH measured concentrations at open hatches above the lower explosive limit and at levels immediately dangerous to life or health, and describes the result as a highly flammable and oxygen-deficient atmosphere, even where the area is not a confined space. In US surveillance covering 2015–2016, NIOSH counted eight oil and gas worker deaths in eight incidents that met its case definition, among workers transferring fluids, gauging or sampling tanks, or working on top of a tank. Its advice to workers is to wear the required multi-gas monitor and heed its alarms. A monitor that measures H₂S alone gives no warning of hydrocarbon vapor or low oxygen at the hatch.","For this work, the number of gases a personal monitor measures at the same time comes before display or logging features. Combustible gas (%LEL) and oxygen are both at issue at an open hatch, and H₂S is added where the produced fluids contain it. The MS104K-S2 is a diffusion monitor for one or two gases, so it fits tasks where two gases cover the hazard assessment. A task that needs %LEL, O₂ and H₂S together calls for a three-gas configuration or more. The MS400-S has standard configurations for one to four gases and expanded configurations for up to six. It has a built-in pump for drawing air through a probe or line, and it can switch to diffusion sampling. The gases and ranges for either model are confirmed for the configuration you order.","Testing a tank, vessel or manhole atmosphere from outside before entry is a separate task, covered in the confined-space entry guide.",[758,761,771],{"kind":567,"content":759},[760],{"text":754},{"kind":567,"content":762},[763,765,766,768,769],{"text":764},"For this work, the number of gases a personal monitor measures at the same time comes before display or logging features. Combustible gas (%LEL) and oxygen are both at issue at an open hatch, and H₂S is added where the produced fluids contain it. The ",{"text":575,"href":208},{"text":767}," is a diffusion monitor for one or two gases, so it fits tasks where two gases cover the hazard assessment. A task that needs %LEL, O₂ and H₂S together calls for a three-gas configuration or more. The ",{"text":579,"href":212},{"text":770}," has standard configurations for one to four gases and expanded configurations for up to six. It has a built-in pump for drawing air through a probe or line, and it can switch to diffusion sampling. The gases and ranges for either model are confirmed for the configuration you order.",{"kind":567,"content":772},[773,775,777],{"text":774},"Testing a tank, vessel or manhole atmosphere from outside before entry is a separate task, covered in the ",{"text":776,"href":40},"confined-space entry guide",{"text":778},".",{"id":591,"navLabel":780,"heading":781,"paragraphs":782,"blocks":785},"Sensing principle","Sour gas and high concentrations: specify the sensing principle",[783,784],"A specification that says only \"0–100 %LEL\" leaves out a choice that matters on sour sites. Catalytic bead sensors can lose sensitivity after exposure to H₂S or silicones. They also need oxygen for the sensing reaction, so their readings are limited in oxygen-deficient air, such as an inerted vessel or a vapor-filled tank hatch. Hydrocarbon infrared sensors do not need oxygen and are not generally affected by catalyst poisoning, but they cannot detect hydrogen. State the background gases and the oxygen conditions expected at the point of measurement, so the sensing principle can be selected for the task.","Sensing principle also matters for H₂S inside a gas line. Continuous exposure to high H₂S concentrations shortens the life of an electrochemical sensor, so for that duty the Eranntex technical team recommends differential UV analysis. Where a project keeps electrochemical sensing, the measurement can run at intervals instead. For one gas-field desulfurization line specified at up to 5,000 ppm H₂S, the team set it to one minute every four hours. If you specify a line measurement, give the expected H₂S concentration and how often a reading is needed. Together these decide the sensing principle and the measurement cycle.",[786,789],{"kind":567,"content":787},[788],{"text":783},{"kind":567,"content":790},[791],{"text":784},{"id":605,"navLabel":793,"heading":794,"paragraphs":795,"blocks":797},"Fixed points","Fixed detectors: decide the location before combining gases",[796],"Where a fixed detector is mounted depends on the likely release sources, ventilation, and how each gas moves at that location. Gas density alone does not settle it. The GTYQ-MIC-600 can carry one to six gases in one enclosure, but a multi-gas unit only makes sense where all of those gases can reach the same mounting point. Methane is lighter than air and H₂S is heavier. Where the hazard assessment expects methane to collect high and H₂S near the floor or a drain, separate detectors at the two heights cover both. The MIC-600's standard outputs are RS485 Modbus RTU and three-wire 4–20 mA, with HART 5 optional, so the specification should name the receiving controller or DCS and the signal it expects.",[798],{"kind":567,"content":799},[800,802,803],{"text":801},"Where a fixed detector is mounted depends on the likely release sources, ventilation, and how each gas moves at that location. Gas density alone does not settle it. The ",{"text":616,"href":192},{"text":804}," can carry one to six gases in one enclosure, but a multi-gas unit only makes sense where all of those gases can reach the same mounting point. Methane is lighter than air and H₂S is heavier. Where the hazard assessment expects methane to collect high and H₂S near the floor or a drain, separate detectors at the two heights cover both. The MIC-600's standard outputs are RS485 Modbus RTU and three-wire 4–20 mA, with HART 5 optional, so the specification should name the receiving controller or DCS and the signal it expects.",{"id":620,"navLabel":806,"heading":807,"paragraphs":808,"blocks":813},"Process samples","Process samples: the sample path comes first",[809,810,811,812],"Measuring gas from inside a line or vessel is a sample-handling problem before it is a sensor problem. Water that condenses in the sample path can absorb part of the gas being measured, and liquids or dirt carried with the sample can damage the analyzer. Choose the conditioning stages from what the stream actually contains.","Sour gas. H₂S dissolves in condensed water, so a sample line where water condenses can lower the reading before the gas reaches the analyzer. At the outlet of a shale-gas desulfurization skid, where the treated gas had to stay below 50 ppm, Eranntex paired a 0–50 ppm differential UV analyzer (DOAS-3000) with an electrically heat-traced sample line rather than condensing the moisture out.","Associated gas at the wellhead. Associated gas can carry oil and moisture into the sample path. For on-site CO₂ monitoring at the wellheads of a CO₂-flood oilfield, the Eranntex technical team fitted the inlet with an oil-gas separator with a manual drain, an additional high-humidity filter and a waterproof breathable membrane, which keep liquid away from the infrared sensor.","Hot, humid or dusty samples. The TH-2000-C is documented for emissions and flue-gas monitoring, flue-gas desulfurization and denitrification, boiler exhaust and wastewater pipelines. A hydrocarbon or sour-gas process stream is not one of these applications, so its sample system is engineered as a project. For the documented applications, the TH-2000-C draws the sample by pump and conditions it before analysis, with cooling, moisture removal, filtration and drainage stages selected for the project. Its standard sample temperature is −40 to 600 °C, with configurations up to 1,300 °C optional. The −40 to 70 °C figure is the operating range of the cabinet, not of the sample. The standard sampling distance is 30–40 m, and an optional jet or vacuum pump extends it beyond 70 m. Where an outdoor sample line can freeze, it is specified with a heated line.",[814,817,822,831,837],{"kind":567,"content":815},[816],{"text":809},{"kind":633,"items":818},[819],{"url":636,"width":637,"height":638,"alt":820,"caption":821},"Conceptual oil and gas process area: a worker wearing a personal gas monitor on the chest, a fixed gas detector on a post beside a process vessel, and a sample line running from the vessel to an analyzer cabinet.","The worker's monitor and the fixed detector measure the surrounding air. Gas inside the vessel reaches the analyzer only through the sample line and its conditioning stages. Conceptual scene; equipment shapes and positions are illustrative, not an installation design.",{"kind":567,"content":823},[824,826,828,829],{"text":825,"strong":10},"Sour gas.",{"text":827}," H₂S dissolves in condensed water, so a sample line where water condenses can lower the reading before the gas reaches the analyzer. At the outlet of a shale-gas desulfurization skid, where the treated gas had to stay below 50 ppm, Eranntex paired a 0–50 ppm differential UV analyzer (",{"text":648,"href":132},{"text":830},") with an electrically heat-traced sample line rather than condensing the moisture out.",{"kind":567,"content":832},[833,835],{"text":834,"strong":10},"Associated gas at the wellhead.",{"text":836}," Associated gas can carry oil and moisture into the sample path. For on-site CO₂ monitoring at the wellheads of a CO₂-flood oilfield, the Eranntex technical team fitted the inlet with an oil-gas separator with a manual drain, an additional high-humidity filter and a waterproof breathable membrane, which keep liquid away from the infrared sensor.",{"kind":567,"content":838},[839,841,843,844],{"text":840,"strong":10},"Hot, humid or dusty samples.",{"text":842}," The ",{"text":664,"href":244},{"text":845}," is documented for emissions and flue-gas monitoring, flue-gas desulfurization and denitrification, boiler exhaust and wastewater pipelines. A hydrocarbon or sour-gas process stream is not one of these applications, so its sample system is engineered as a project. For the documented applications, the TH-2000-C draws the sample by pump and conditions it before analysis, with cooling, moisture removal, filtration and drainage stages selected for the project. Its standard sample temperature is −40 to 600 °C, with configurations up to 1,300 °C optional. The −40 to 70 °C figure is the operating range of the cabinet, not of the sample. The standard sampling distance is 30–40 m, and an optional jet or vacuum pump extends it beyond 70 m. Where an outdoor sample line can freeze, it is specified with a heated line.",{"id":668,"navLabel":847,"heading":848,"paragraphs":849,"blocks":855},"Request a quote","What to send with an oil and gas inquiry",[850,851,852,853,854],"Personal and remote testing: the tasks, the gases and ranges that must be measured at the same time, and whether air is drawn from a hatch, tank or manhole through a probe or line.","Fixed points: the layout, the gases at each point, and the controller or DCS with the signal it expects.","Process samples: the stream composition, including H₂S, liquid hydrocarbons and free water; the pressure and temperature; the route to the cabinet; whether the line can freeze; how often a reading is needed; and where the sample goes after measurement (vent, flare or return to the process).","Every project: the country, the hazardous-area classification (for example Zone 1, or Class I, Division 1) and the certificate scheme the site requires (for example ATEX or IECEx).","Certificate coverage and battery runtime depend on the model and configuration. Our sales engineers confirm both for the configuration you specify. The quotation checklist lists the details in full.",[856,878],{"kind":679,"ordered":680,"items":857},[858,863,868,873],[859,861],{"text":860,"strong":10},"Personal and remote testing:",{"text":862}," the tasks, the gases and ranges that must be measured at the same time, and whether air is drawn from a hatch, tank or manhole through a probe or line.",[864,866],{"text":865,"strong":10},"Fixed points:",{"text":867}," the layout, the gases at each point, and the controller or DCS with the signal it expects.",[869,871],{"text":870,"strong":10},"Process samples:",{"text":872}," the stream composition, including H₂S, liquid hydrocarbons and free water; the pressure and temperature; the route to the cabinet; whether the line can freeze; how often a reading is needed; and where the sample goes after measurement (vent, flare or return to the process).",[874,876],{"text":875,"strong":10},"Every project:",{"text":877}," the country, the hazardous-area classification (for example Zone 1, or Class I, Division 1) and the certificate scheme the site requires (for example ATEX or IECEx).",{"kind":567,"content":879},[880,882,884],{"text":881},"Certificate coverage and battery runtime depend on the model and configuration. Our sales engineers confirm both for the configuration you specify. The ",{"text":883,"href":266},"quotation checklist",{"text":885}," lists the details in full.",[887,890,893,896],{"id":712,"question":888,"answer":889},"Is an H₂S monitor enough when gauging or sampling a production tank?","No. An open thief hatch on a tank roof can release hydrocarbon vapor above the lower explosive limit and leave the air oxygen-deficient, and a monitor that measures H₂S alone warns of neither. NIOSH advises workers doing this task to wear a multi-gas monitor. At the hatch, that means measuring combustible gas as a percentage of the lower explosive limit (%LEL) and oxygen at the same time, with H₂S added where the produced fluids contain it, which is a three-gas configuration or more.",{"id":716,"question":891,"answer":892},"Should a %LEL detector on a sour gas site use a catalytic bead or an infrared sensor?","Choose from the background gases and the oxygen level at the measuring point, and state both in the specification. Catalytic bead sensors can lose sensitivity after exposure to H₂S or silicones, and they need oxygen for the sensing reaction, which limits them in an inerted vessel or a vapor-filled hatch. Hydrocarbon infrared sensors do not need oxygen and are not generally affected by catalyst poisoning, but they cannot detect hydrogen.",{"id":720,"question":894,"answer":895},"Can one fixed multi-gas detector monitor both methane and H₂S?","Only where both gases can reach the same mounting point. Methane is lighter than air and H₂S is heavier, so where the hazard assessment expects methane to collect high and H₂S near the floor or a drain, two detectors at different heights are needed. The GTYQ-MIC-600 carries one to six gases in one enclosure for points where that condition holds.",{"id":724,"question":897,"answer":898},"Why can an H₂S analyzer read low on a gas sample line?","H₂S dissolves in water that condenses in the sample path, so part of it can be lost before the gas reaches the analyzer. Choose the conditioning stages from what the stream contains. At the outlet of one shale-gas desulfurization skid, where treated gas had to stay below 50 ppm, Eranntex paired a 0–50 ppm differential UV analyzer with an electrically heat-traced sample line instead of condensing the moisture out.",{"title":900,"description":901},"Gas Detection for Oil & Gas: Portable, Fixed and Process Sampling","How oil and gas sites match portable, fixed and sampled gas detection to hydrocarbon vapor, H₂S and oxygen hazards, including how sour-gas samples are handled.","How oil and gas sites match portable, fixed and sampled gas detection to tank-hatch, sour-gas and process measurements, and what to specify for each.",{"heroPrimaryLabel":904,"heroPrimarySectionId":558,"heroSecondaryLabel":905,"categoryDescription":906,"sectionTitles":907,"applicationCardSummaries":911},"Read the monitoring guide","Discuss your oil and gas project","Choose by where the measurement is taken: the worker's breathing zone, a fixed point, or a sample drawn from a line or vessel.",{"categories":908,"applications":909,"products":910},"Gas detection equipment categories","Monitoring tasks on oil and gas sites","Gas detectors for oil and gas sites",[912,914],{"applicationId":49,"summary":913},"Wearable monitors for workers moving between wellheads, tanks and process equipment. Choose the number of gases measured together from the hazards of each task.",{"applicationId":41,"summary":915},"Testing a tank, vessel or manhole atmosphere from outside before entry, then monitoring while people are inside. The guide covers probe and line sampling.",[],{"id":72,"slug":918,"gasIds":919,"applicationIds":921,"productCategoryIds":922,"resourceIds":923,"media":924,"marketContent":930,"sources":1593},"chemical",[532,533,64,920,535],"gas-nh3",[49,41,45,37],[101,113,117],[275,267],{"id":925,"url":926,"alt":927,"width":544,"height":545,"mimeType":546,"localizedAlt":928},"media-industry-chemical","\u002Fimages\u002Findustries\u002Fchemical-processing-v2.png","Safety technician inspecting process equipment at a chemical facility",{"zh-CN":929},"安全技术人员在化工装置巡检工艺设备",[931,1285],{"market":315,"locale":316,"publication":932,"displayName":933,"h1":934,"intro":935,"sections":936,"faq":1244,"seo":1265,"cardSummary":1268,"pagePresentation":1269},{"status":552,"indexable":10},"化工","化工厂气体检测","化工厂的气体检测从所处理的物质和各工艺区域的条件入手。有毒物泄漏、可燃溶剂蒸气以及使用氮气时的氧气置换，需要不同的测量。下面的指南把这些危害与监测任务和设备对应起来，方便您在选定型号前与逸云天沟通需求。",[937,1028,1156,1201],{"id":938,"navLabel":939,"heading":940,"paragraphs":941,"blocks":943,"links":1027},"chemical-operations","工艺区域","按化工工艺区域进行气体检测",[942],"每个工艺区域可能发生的泄漏各不相同。请用下表把该区域处理的化学品与监测任务以及设备选型的起点对应起来。",[944,947],{"kind":567,"content":945},[946],{"text":942},{"kind":948,"caption":949,"headers":950,"rows":960,"source":1024},"table","化工工艺区域、气体危害与监测指导",[951,954,957],[952],{"text":953},"工艺区域或作业",[955],{"text":956},"需评估的气体危害",[958],{"text":959},"监测指导",[961,973,984,996,1012],{"id":962,"cells":963},"row-1",[964,967,970],[965],{"text":966},"氯气与次氯酸盐的储存、输送与投加",[968],{"text":969},"氯气（Cl₂）与氯化氢（HCl）；酸与次氯酸盐接触时也可能释放氯气",[971],{"text":972,"href":35},"区域监测",{"id":974,"cells":975},"row-2",[976,979,982],[977],{"text":978},"氨的储存、制冷与反应器进料",[980],{"text":981},"氨（NH₃）",[983],{"text":972,"href":35},{"id":985,"cells":986},"row-3",[987,990,993],[988],{"text":989},"溶剂储存、罐区与装卸",[991],{"text":992},"可燃溶剂蒸气（%LEL，即浓度占其爆炸下限的百分比）、有毒蒸气，以及输送中不相容化学品混合产生的反应产物",[994],{"text":995,"href":44},"泄漏检测",{"id":997,"cells":998},"row-4",[999,1002,1005],[1000],{"text":1001},"氮气惰化、容器进入与维修",[1003],{"text":1004},"缺氧、可燃蒸气、工艺残留的有毒气体，以及设备打开时释放的气体",[1006,1008,1010],{"text":1007,"href":40},"受限空间作业",{"text":1009},"或",{"text":1011,"href":48},"个人气体监测",{"id":1013,"cells":1014},"row-5",[1015,1018,1021],[1016],{"text":1017},"高温、潮湿或远距离的工艺气流",[1019],{"text":1020},"需要在抽取样气中评估的工艺特定气体",[1022],{"text":1023,"href":112},"气体监测与分析系统",[1025],{"text":1026},"请根据化学品清单、安全数据表和可能的泄漏场景确定需要监测的气体。上表示例只是这项评估的起点。",[],{"id":1029,"navLabel":1030,"heading":1031,"paragraphs":1032,"blocks":1036,"links":1119},"chemical-limits","接触限值","化工厂常见气体的美国接触限值",[1033,1034,1035],"对于美国项目，OSHA 容许接触限值（PEL）是具有强制力的接触限值（也称暴露限值）。NIOSH 发布推荐接触限值（REL）和立即危及生命或健康浓度（IDLH）。请用下表核对化工生产中常见的四种气体的这些参考值。","TWA 指时间加权平均值：OSHA 采用 8 小时班次，NIOSH REL 采用每周 40 小时内每天最多 10 小时。STEL 通常是 15 分钟平均值。IDLH 描述的是立即危险的环境，不是可接受的运行浓度。","接触限值并不自动等于报警设定点。报警值应作为现场危害评估的一部分，与所需的响应一并确定。在杜邦拉波特事故调查中，CSB 发现检测器报警值设定得远高于安全的人员接触限值。该案例说明了为何需要把报警设定与其触发的响应放在一起评估。",[1037,1040,1113,1116],{"kind":567,"content":1038},[1039],{"text":1033},{"kind":948,"caption":1041,"headers":1042,"rows":1055,"source":1110},"美国一般工业接触参考值",[1043,1046,1049,1052],[1044],{"text":1045},"气体",[1047],{"text":1048},"OSHA PEL",[1050],{"text":1051},"NIOSH REL",[1053],{"text":1054},"IDLH",[1056,1070,1083,1097],{"id":962,"cells":1057},[1058,1061,1064,1067],[1059],{"text":1060},"氯气（Cl₂）",[1062],{"text":1063},"1 ppm 最高限值",[1065],{"text":1066},"0.5 ppm 最高限值（15 分钟）",[1068],{"text":1069},"10 ppm",{"id":974,"cells":1071},[1072,1074,1077,1080],[1073],{"text":981},[1075],{"text":1076},"50 ppm TWA",[1078],{"text":1079},"25 ppm TWA；35 ppm STEL",[1081],{"text":1082},"300 ppm",{"id":985,"cells":1084},[1085,1088,1091,1094],[1086],{"text":1087,"href":63},"硫化氢（H₂S）",[1089],{"text":1090},"20 ppm 最高限值*",[1092],{"text":1093},"10 ppm 最高限值（10 分钟）",[1095],{"text":1096},"100 ppm",{"id":997,"cells":1098},[1099,1102,1105,1107],[1100],{"text":1101},"氯化氢（HCl）",[1103],{"text":1104},"5 ppm 最高限值",[1106],{"text":1104},[1108],{"text":1109},"50 ppm",[1111],{"text":1112},"*OSHA 一般工业标准允许 H₂S 出现一次最高 50 ppm、持续最长 10 分钟的峰值，前提是该 8 小时班次内没有其他可测得的接触。数值核对于 2026 年 10 月 26 日。",{"kind":567,"content":1114},[1115],{"text":1034},{"kind":567,"content":1117},[1118],{"text":1035},[1120,1126,1131,1136,1141,1146,1151],{"id":1121,"label":1122,"target":1123},"chemical-ref-cl2","NIOSH：氯气 IDLH 文件",{"kind":1124,"sourceId":1125},"reference","niosh-chlorine",{"id":1127,"label":1128,"target":1129},"chemical-ref-nh3","NIOSH 袖珍指南：氨",{"kind":1124,"sourceId":1130},"niosh-ammonia",{"id":1132,"label":1133,"target":1134},"chemical-ref-h2s","NIOSH 袖珍指南：硫化氢",{"kind":1124,"sourceId":1135},"cdc-niosh-h2s-pocket-guide",{"id":1137,"label":1138,"target":1139},"chemical-ref-hcl","NIOSH 袖珍指南：氯化氢",{"kind":1124,"sourceId":1140},"niosh-hydrogen-chloride",{"id":1142,"label":1143,"target":1144},"chemical-ref-h2s-osha","OSHA：硫化氢标准",{"kind":1124,"sourceId":1145},"osha-hydrogen-sulfide-standards",{"id":1147,"label":1148,"target":1149},"chemical-ref-dupont","美国 CSB：杜邦拉波特有毒化学品泄漏事故最终报告（2019）",{"kind":1124,"sourceId":1150},"csb-dupont-laporte-report",{"id":1152,"label":1153,"target":1154},"chemical-ref-limit-definitions","NIOSH 袖珍指南：引言",{"kind":1124,"sourceId":1155},"w04-source-s7",{"id":1157,"navLabel":1158,"heading":1159,"paragraphs":1160,"blocks":1165,"links":1190},"chemical-equipment","设备","选择固定式、便携式与抽取式设备",[1161,1162,1163,1164],"固定式检测器监测工艺设备周围的选定位置，便携式仪器用于个人监测、进入前检测和泄漏排查。抽取式系统把工艺样气引至监测系统。请为每项作业选择方式，再核对所需气体、采样条件与输出。","GTYQ-MIC-600 固定式多气体检测仪可配置一至六种气体，配有本地显示，外壳防护等级 IP66。标配 RS485 Modbus RTU 和三线制 4–20 mA 输出，便于与接收控制器或 DCS 集成；HART 5 为选配。请对照拟定配置核对所需气体与输出。","MS400-S 便携式多气体检测仪内置泵，可用于远程采样，也可切换为扩散式采样。标配配置覆盖一至四种气体，扩展配置最多六种。用于进入前检测或泄漏排查时，请说明气体、采样附件与运行条件。","TH-2000-C 采样与监测系统集抽取式采样与预处理于一体，适用于高温或高湿的工艺气体。资料记载的预处理包括电子制冷、除湿、过滤和排液。请提供样气组分、温度、湿度和采样路径，以便对照目标气体评估项目配置。",[1166,1169,1176,1183],{"kind":567,"content":1167},[1168],{"text":1161},{"kind":567,"content":1170},[1171,1172,1174],{"text":662},{"text":1173,"href":192},"GTYQ-MIC-600 固定式多气体检测仪",{"text":1175},"可配置一至六种气体，配有本地显示，外壳防护等级 IP66。标配 RS485 Modbus RTU 和三线制 4–20 mA 输出，便于与接收控制器或 DCS 集成；HART 5 为选配。请对照拟定配置核对所需气体与输出。",{"kind":567,"content":1177},[1178,1179,1181],{"text":662},{"text":1180,"href":212},"MS400-S 便携式多气体检测仪",{"text":1182},"内置泵，可用于远程采样，也可切换为扩散式采样。标配配置覆盖一至四种气体，扩展配置最多六种。用于进入前检测或泄漏排查时，请说明气体、采样附件与运行条件。",{"kind":567,"content":1184},[1185,1186,1188],{"text":662},{"text":1187,"href":244},"TH-2000-C 采样与监测系统",{"text":1189},"集抽取式采样与预处理于一体，适用于高温或高湿的工艺气体。资料记载的预处理包括电子制冷、除湿、过滤和排液。请提供样气组分、温度、湿度和采样路径，以便对照目标气体评估项目配置。",[1191,1195,1198],{"id":1192,"label":1173,"target":1193},"chemical-p-mic600",{"kind":1194,"path":192},"internal",{"id":1196,"label":1180,"target":1197},"chemical-p-ms400s",{"kind":1194,"path":212},{"id":1199,"label":1187,"target":1200},"chemical-p-th2000c",{"kind":1194,"path":244},{"id":1202,"navLabel":669,"heading":1203,"paragraphs":1204,"blocks":1206,"links":1227},"chemical-inquiry","沟通您的化工厂监测需求",[1205],"选定型号之前就可以开始询价。请提供每个监测点或作业的现有信息，我们的工程师可以与您一起评估设备方案。以下信息有助于确定仍需确认的其他规格。",[1207,1210],{"kind":567,"content":1208},[1209],{"text":1205},{"kind":679,"ordered":680,"items":1211},[1212,1215,1218,1221,1224],[1213],{"text":1214},"目标气体与量程：写明物质名称、每种气体所需的量程，以及哪些气体需要同时监测。",[1216],{"text":1217},"工艺区域与泄漏场景：说明作业内容和潜在泄漏源；如有现场布置图，请一并提供。",[1219],{"text":1220},"运行与样气条件：包括温度、湿度和压力，以及采样路径和已知的背景气体。",[1222],{"text":1223},"输出与接收设备：说明控制器、PLC 或 DCS 所需的连接方式，包括规定的协议或报警触点。",[1225],{"text":1226},"区域划分与供电：说明危险区域划分（Class\u002FDivision 或 Zone）以及所需的认证；提供可用的交流或直流电压，适用时注明频率和相数。",[1228,1235,1239],{"id":1229,"label":1230,"target":1231},"chemical-project-rfq","沟通您的监测需求",{"kind":1194,"path":300,"query":1232},{"type":1233,"context":1234,"source":71},"system_project","化工厂气体检测需求",{"id":1236,"label":1237,"target":1238},"chemical-checklist","气体检测仪询价准备清单",{"kind":1194,"path":266},{"id":1240,"label":1241,"target":1242},"chemical-ref-us-location","29 CFR 1910.307（2025 年版 CFR）",{"kind":1124,"sourceId":1243},"govinfo-1910-307-2025",[1245,1249,1253,1257,1261],{"id":1246,"question":1247,"answer":1248},"chemical-faq-gases","化工厂需要监测哪些气体？","请根据所处理的物质以及各工艺区域可能发生的泄漏选择气体。例如氯气、氨、硫化氢和氯化氢，以 %LEL 计量的可燃蒸气，以及惰性气体可能置换可呼吸空气时的氧气。还应包括不相容化学品混合时可能生成的反应产物。",{"id":1250,"question":1251,"answer":1252},"chemical-faq-setpoints","气体检测仪的报警设定点应与 OSHA PEL 一致吗？","不应。PEL 是接触限值，可以表示为最高限值或规定时段内的平均值。报警设定点决定何时触发警告或响应。报警值与响应措施应通过现场危害评估确定。",{"id":1254,"question":1255,"answer":1256},"chemical-faq-fixed-portable","化工厂需要固定式还是便携式气体检测仪？","固定式与便携式检测仪承担不同的任务。固定式检测仪监测选定位置，便携式仪器用于个人监测、进入前检测或泄漏排查。工艺危害、进入条件与作业活动决定您需要其中一种还是两者结合。",{"id":1258,"question":1259,"answer":1260},"chemical-faq-us-approval","逸云天气体检测仪是否获得美国危险场所认证？","已公开的中国防爆合格证并不能证明获得美国危险场所认证。询价时请提供区域划分与所需认证，以便针对确切的型号和配置核对相关文件。",{"id":1262,"question":1263,"answer":1264},"chemical-faq-no-model","选定型号之前可以询价吗？","可以。请描述工艺区域、监测任务和目标气体，并附上现有的现场图纸或运行条件。在您选定型号之前，我们可以与您一起评审这些信息，并协助确定仍需确认的规格。",{"title":1266,"description":1267,"ogTitle":1266,"ogDescription":1267},"化工厂气体检测：有毒气体、LEL 与氧气","面向 Cl₂、NH₃、H₂S、HCl、可燃蒸气与氧气的化工厂气体检测。对比监测任务、美国接触限值与设备。","按化工工艺区域对比气体危害，查看美国接触限值，并为您的监测任务找到固定式、便携式或抽取式设备。",{"heroPrimaryLabel":1270,"heroPrimarySectionId":938,"heroSecondaryLabel":1271,"categoryDescription":1272,"sectionTitles":1273,"applicationCardSummaries":1276},"浏览工艺区域","沟通您的监测项目","针对现场的气体、条件与监测任务对比设备类型。",{"categories":736,"applications":1274,"products":1275},"化工厂的监测任务","适用于化工厂的气体检测仪",[1277,1279,1281,1283],{"applicationId":37,"summary":1278},"固定式或移动式检测器可监测储存、投加和输送设备周围的选定位置。请为每个区域核对目标气体、覆盖范围与报警信号。",{"applicationId":45,"summary":1280},"排查阀门、法兰和输送接口处的潜在泄漏。让目标气体和采样方式与疑似泄漏源及进入条件相匹配。",{"applicationId":41,"summary":1282},"在容器、储罐或地坑内作业前评估气体环境。作业指南介绍了在现场进入管理方案中如何选择气体和考虑采样。",{"applicationId":49,"summary":1284},"个人监测仪支持在巡检和维修中往返于各工艺区域的人员。请为人员可能接触的气体选择可佩戴的配置，并区分呼吸带监测与远程泵吸采样。",{"market":17,"locale":18,"publication":1286,"displayName":1287,"h1":1288,"intro":1289,"sections":1290,"faq":1557,"seo":1573,"cardSummary":1576,"pagePresentation":1577},{"status":552,"indexable":10},"Chemical Processing","Gas Detection for Chemical Plants","Gas detection in chemical plants starts with the substances handled and the conditions in each process area. Toxic releases, flammable solvent vapors and oxygen displacement during nitrogen use require different measurements. The guide below connects these hazards to monitoring tasks and equipment, so you can discuss your requirements with Eranntex before selecting a model.",[1291,1375,1479,1520],{"id":938,"navLabel":1292,"heading":1293,"paragraphs":1294,"blocks":1296,"links":1374},"Process areas","Gas detection by chemical process area",[1295],"Each process area presents a different set of potential releases. Use the table to connect the chemicals handled in that area with a monitoring task and a starting point for equipment selection.",[1297,1300],{"kind":567,"content":1298},[1299],{"text":1295},{"kind":948,"caption":1301,"headers":1302,"rows":1312,"source":1371},"Chemical process areas, gas hazards and monitoring guidance",[1303,1306,1309],[1304],{"text":1305},"Process area or task",[1307],{"text":1308},"Gas hazards to assess",[1310],{"text":1311},"Monitoring guidance",[1313,1324,1334,1345,1360],{"id":962,"cells":1314},[1315,1318,1321],[1316],{"text":1317},"Chlorine and hypochlorite storage, feed and dosing",[1319],{"text":1320},"Chlorine (Cl₂) and hydrogen chloride (HCl); chlorine can also be released if acid contacts hypochlorite",[1322],{"text":1323,"href":35},"Area monitoring",{"id":974,"cells":1325},[1326,1329,1332],[1327],{"text":1328},"Ammonia storage, refrigeration and reactor feeds",[1330],{"text":1331},"Ammonia (NH₃)",[1333],{"text":1323,"href":35},{"id":985,"cells":1335},[1336,1339,1342],[1337],{"text":1338},"Solvent storage, tank farms, loading and unloading",[1340],{"text":1341},"Flammable solvent vapors (%LEL), toxic vapors and reaction products from incompatible chemicals mixed during transfer",[1343],{"text":1344,"href":44},"Leak detection",{"id":997,"cells":1346},[1347,1350,1353],[1348],{"text":1349},"Nitrogen inerting, vessel entry and maintenance",[1351],{"text":1352},"Oxygen deficiency, flammable vapors, residual toxic gases from the process, and gases released when equipment is opened",[1354,1356,1358],{"text":1355,"href":40},"Confined space entry",{"text":1357}," or ",{"text":1359,"href":48},"personal gas monitoring",{"id":1013,"cells":1361},[1362,1365,1368],[1363],{"text":1364},"Hot, wet or remote process streams",[1366],{"text":1367},"Process-specific gases that need to be assessed in an extracted sample",[1369],{"text":1370,"href":112},"Gas monitoring and analysis systems",[1372],{"text":1373},"Use your chemical inventory, safety data sheets and credible release scenarios to determine which gases to monitor. The examples above are starting points for that assessment.",[],{"id":1029,"navLabel":1376,"heading":1377,"paragraphs":1378,"blocks":1382,"links":1457},"Exposure limits","U.S. exposure limits for chemical-plant gases",[1379,1380,1381],"For U.S. projects, OSHA permissible exposure limits (PELs) are enforceable exposure limits. NIOSH publishes recommended exposure limits (RELs) and immediately dangerous to life or health (IDLH) values. Use the table to review these references for four gases encountered in chemical processing.","TWA means time-weighted average: OSHA uses an 8-hour shift, while NIOSH RELs use up to a 10-hour day during a 40-hour week. A STEL is normally a 15-minute average. IDLH values describe an immediately dangerous atmosphere and are not acceptable operating concentrations.","Exposure limits are not automatic alarm setpoints. Select alarm levels as part of the site hazard assessment, together with the required response. In the DuPont La Porte investigation, the CSB found detector alarms set well above safe worker exposure limits. The case shows why alarm settings and the response they trigger need to be assessed together.",[1383,1386,1451,1454],{"kind":567,"content":1384},[1385],{"text":1379},{"kind":948,"caption":1387,"headers":1388,"rows":1398,"source":1448},"U.S. general-industry exposure reference values",[1389,1392,1394,1396],[1390],{"text":1391},"Gas",[1393],{"text":1048},[1395],{"text":1051},[1397],{"text":1054},[1399,1412,1423,1436],{"id":962,"cells":1400},[1401,1404,1407,1410],[1402],{"text":1403},"Chlorine (Cl₂)",[1405],{"text":1406},"1 ppm ceiling",[1408],{"text":1409},"0.5 ppm ceiling (15 min)",[1411],{"text":1069},{"id":974,"cells":1413},[1414,1416,1418,1421],[1415],{"text":1331},[1417],{"text":1076},[1419],{"text":1420},"25 ppm TWA; 35 ppm STEL",[1422],{"text":1082},{"id":985,"cells":1424},[1425,1428,1431,1434],[1426],{"text":1427,"href":63},"Hydrogen sulfide (H₂S)",[1429],{"text":1430},"20 ppm ceiling*",[1432],{"text":1433},"10 ppm ceiling (10 min)",[1435],{"text":1096},{"id":997,"cells":1437},[1438,1441,1444,1446],[1439],{"text":1440},"Hydrogen chloride (HCl)",[1442],{"text":1443},"5 ppm ceiling",[1445],{"text":1443},[1447],{"text":1109},[1449],{"text":1450},"*OSHA general industry permits one H₂S peak up to 50 ppm for up to 10 minutes only if no other measurable exposure occurs during the 8-hour shift. Values checked October 26, 2026.",{"kind":567,"content":1452},[1453],{"text":1380},{"kind":567,"content":1455},[1456],{"text":1381},[1458,1461,1464,1467,1470,1473,1476],{"id":1121,"label":1459,"target":1460},"NIOSH: Chlorine IDLH documentation",{"kind":1124,"sourceId":1125},{"id":1127,"label":1462,"target":1463},"NIOSH Pocket Guide: Ammonia",{"kind":1124,"sourceId":1130},{"id":1132,"label":1465,"target":1466},"NIOSH Pocket Guide: Hydrogen sulfide",{"kind":1124,"sourceId":1135},{"id":1137,"label":1468,"target":1469},"NIOSH Pocket Guide: Hydrogen chloride",{"kind":1124,"sourceId":1140},{"id":1142,"label":1471,"target":1472},"OSHA: Hydrogen sulfide exposure standards",{"kind":1124,"sourceId":1145},{"id":1147,"label":1474,"target":1475},"U.S. CSB: DuPont La Porte toxic chemical release, final report (2019)",{"kind":1124,"sourceId":1150},{"id":1152,"label":1477,"target":1478},"NIOSH Pocket Guide: Introduction",{"kind":1124,"sourceId":1155},{"id":1157,"navLabel":1480,"heading":1481,"paragraphs":1482,"blocks":1487,"links":1513},"Equipment","Selecting fixed, portable and extractive equipment",[1483,1484,1485,1486],"Fixed detectors monitor selected locations around process equipment, while portable instruments support personal monitoring, pre-entry testing and leak investigation. Extractive systems bring a sample from the process to a monitoring system. Choose the approach for each task, then review the required gases, sampling conditions and outputs.","The GTYQ-MIC-600 fixed multigas detector is configurable for one to six gases and provides a local display in an IP66 enclosure. Standard RS485 Modbus RTU and three-wire 4–20 mA outputs support integration with a receiving controller or DCS; HART 5 is optional. Review the required gases and outputs against the proposed configuration.","The MS400-S portable multigas detector has a built-in pump for remote sampling and can switch to diffusion sampling. Standard configurations cover one to four gases, with expanded configurations for up to six. For pre-entry testing or leak investigation, specify the gases, sampling accessories and operating conditions.","The TH-2000-C sampling and monitoring system combines extractive sampling and conditioning for hot or humid process gases. Documented conditioning includes electronic cooling, moisture removal, filtration and drainage. Share the sample composition, temperature, moisture and sampling route so the project configuration can be assessed against the target gases.",[1488,1491,1499,1506],{"kind":567,"content":1489},[1490],{"text":1483},{"kind":567,"content":1492},[1493,1495,1497],{"text":1494},"The ",{"text":1496,"href":192},"GTYQ-MIC-600 fixed multigas detector",{"text":1498}," is configurable for one to six gases and provides a local display in an IP66 enclosure. Standard RS485 Modbus RTU and three-wire 4–20 mA outputs support integration with a receiving controller or DCS; HART 5 is optional. Review the required gases and outputs against the proposed configuration.",{"kind":567,"content":1500},[1501,1502,1504],{"text":1494},{"text":1503,"href":212},"MS400-S portable multigas detector",{"text":1505}," has a built-in pump for remote sampling and can switch to diffusion sampling. Standard configurations cover one to four gases, with expanded configurations for up to six. For pre-entry testing or leak investigation, specify the gases, sampling accessories and operating conditions.",{"kind":567,"content":1507},[1508,1509,1511],{"text":1494},{"text":1510,"href":244},"TH-2000-C sampling and monitoring system",{"text":1512}," combines extractive sampling and conditioning for hot or humid process gases. Documented conditioning includes electronic cooling, moisture removal, filtration and drainage. Share the sample composition, temperature, moisture and sampling route so the project configuration can be assessed against the target gases.",[1514,1516,1518],{"id":1192,"label":1496,"target":1515},{"kind":1194,"path":192},{"id":1196,"label":1503,"target":1517},{"kind":1194,"path":212},{"id":1199,"label":1510,"target":1519},{"kind":1194,"path":244},{"id":1202,"navLabel":847,"heading":1521,"paragraphs":1522,"blocks":1524,"links":1545},"Discuss your chemical-plant monitoring requirements",[1523],"You can start an inquiry before choosing a model. Share the details available for each monitoring point or task, and our engineers can review equipment options with you. The information below helps identify the remaining specifications to confirm.",[1525,1528],{"kind":567,"content":1526},[1527],{"text":1523},{"kind":679,"ordered":680,"items":1529},[1530,1533,1536,1539,1542],[1531],{"text":1532},"Target gases and measuring ranges: name the substances, the required range for each gas, and which gases must be monitored together.",[1534],{"text":1535},"Process area and release scenario: describe the operation and potential leak sources, and include a site layout if available.",[1537],{"text":1538},"Operating and sample conditions: include temperature, moisture and pressure, plus the sampling route and any known background gases.",[1540],{"text":1541},"Outputs and receiving equipment: describe the connection required by your controller, PLC or DCS, including any specified protocols or alarm contacts.",[1543],{"text":1544},"Area classification and power: state the hazardous-area classification (Class\u002FDivision or Zone) and the required approvals. Provide the available AC or DC voltage and, where applicable, the frequency and number of phases.",[1546,1551,1554],{"id":1229,"label":1547,"target":1548},"Discuss your monitoring requirements",{"kind":1194,"path":300,"query":1549},{"type":1233,"context":1550,"source":71},"Chemical plant gas detection requirements",{"id":1236,"label":1552,"target":1553},"Gas detector quotation checklist",{"kind":1194,"path":266},{"id":1240,"label":1555,"target":1556},"29 CFR 1910.307, 2025 annual CFR edition",{"kind":1124,"sourceId":1243},[1558,1561,1564,1567,1570],{"id":1246,"question":1559,"answer":1560},"What gases are monitored in a chemical plant?","Select the gases from the substances handled and the releases that could occur in each process area. Examples include chlorine, ammonia, hydrogen sulfide and hydrogen chloride, flammable vapors measured in %LEL, and oxygen where inert gas can displace breathable air. Include reaction products that could form if incompatible chemicals mix.",{"id":1250,"question":1562,"answer":1563},"Should gas detector alarm setpoints match OSHA PELs?","No. A PEL is an exposure limit, which may be expressed as a ceiling or an average over a specified period. An alarm setpoint defines when a warning or response is triggered. Select alarm levels and response actions through the site hazard assessment.",{"id":1254,"question":1565,"answer":1566},"Does a chemical plant need fixed or portable gas detectors?","Fixed and portable detectors serve different tasks. Fixed detectors monitor selected locations, while portable instruments support personal monitoring, pre-entry testing or leak investigation. The process hazards, access conditions and work activities determine whether you need one type or a combination.",{"id":1258,"question":1568,"answer":1569},"Are Eranntex gas detectors approved for U.S. hazardous locations?","The published Chinese explosion-protection certificates do not establish U.S. hazardous-location approval. Include your area classification and required approvals when you inquire, so the relevant documents can be checked for the exact model and configuration.",{"id":1262,"question":1571,"answer":1572},"Can I request a quote before choosing a model?","Yes. Describe the process area, monitoring task and target gases, and include any available site drawings or operating conditions. We can review these details with you before you select a model and help identify the specifications that still need confirmation.",{"title":1574,"description":1575,"ogTitle":1574,"ogDescription":1575},"Chemical Plant Gas Detection: Toxic, LEL and Oxygen","Chemical plant gas detection for Cl₂, NH₃, H₂S, HCl, flammable vapors and oxygen. Compare monitoring tasks, U.S. exposure limits and equipment.","Compare gas hazards by chemical process area, review U.S. exposure limits and find fixed, portable or extractive equipment for your monitoring task.",{"heroPrimaryLabel":1578,"heroPrimarySectionId":938,"heroSecondaryLabel":1579,"categoryDescription":1580,"sectionTitles":1581,"applicationCardSummaries":1584},"Browse process areas","Discuss your monitoring project","Compare equipment types for the gases, conditions and monitoring tasks at your site.",{"categories":908,"applications":1582,"products":1583},"Monitoring tasks in chemical plants","Gas detectors for chemical plants",[1585,1587,1589,1591],{"applicationId":37,"summary":1586},"Fixed or transportable detectors can monitor selected locations around storage, dosing and transfer equipment. Review the target gases, coverage and alarm signals for each area.",{"applicationId":45,"summary":1588},"Investigate potential releases at valves, flanges and transfer connections. Match the target gas and sampling method to the suspected source and access conditions.",{"applicationId":41,"summary":1590},"Assess the atmosphere before work in vessels, tanks or pits. The task guide covers gas selection and sampling considerations within the site’s entry program.",{"applicationId":49,"summary":1592},"Personal monitors support workers moving between process areas during inspections and maintenance. Choose a wearable configuration for the gases workers may encounter, and distinguish breathing-zone monitoring from remote pump sampling.",[],{"id":80,"slug":1595,"gasIds":1596,"applicationIds":1597,"productCategoryIds":1598,"resourceIds":1599,"media":1600,"marketContent":1606,"sources":2127},"water-and-wastewater",[532,64,920,535],[49,41,37],[101,113,117],[267,293],{"id":1601,"url":1602,"alt":1603,"width":544,"height":545,"mimeType":546,"localizedAlt":1604},"media-industry-water","\u002Fimages\u002Findustries\u002Fwater-wastewater-monitoring-v2.png","Illustrative wastewater inspection scene: a technician holds a portable gas detector and lowers a sampling probe through an open access hatch.",{"zh-CN":1605},"污水巡检示意场景：技术人员手持便携式气体检测仪，把采样探杆从打开的检修口放下去。",[1607,1888],{"market":315,"locale":316,"publication":1608,"displayName":1609,"h1":1610,"intro":1611,"sections":1612,"faq":1869,"seo":1882,"cardSummary":1885,"pagePresentation":1886},{"status":552,"indexable":10},"水与污水","水务与污水处理运行中的气体监测","污水收集湿井、污泥处理、消化池沼气管线和化学品投加间需要不同的气体监测规格。请让所需气体和量程与每个位置和作业相匹配，再选择便携式、固定式或抽取式设备。规格中应包含采样条件、完整的样气路径以及所需的报警响应。",[1613,1660,1688,1746,1779,1824,1844],{"id":1614,"heading":1615,"paragraphs":1616,"links":1619,"navLabel":1640,"table":1641},"ww01-01","按工艺区域选择气体",[1617,1618],"湿井、消化池沼气管线和化学品投加间面临的监测任务各不相同。请从工艺物料清单和每个位置的作业入手，再确定需要同时测量的气体、量程和项目。","人员防护测量的是人员可能暴露处的空气；工艺分析表征的是一股确定的气流。确定仪器规格时请将两种目标分开，因为所需的浓度单位和采样条件可能不同。",[1620,1625,1630,1635],{"id":1621,"label":1622,"target":1623},"ww01-01-scottish-guidance","苏格兰污水处理守则：工艺气体及其来源（第 7.0–7.3 节）",{"kind":1124,"sourceId":1624},"scottish-wwtw-odour-code",{"id":1626,"label":1627,"target":1628},"ww01-01-who-treatment","WHO：水处理化学品（附件 5）",{"kind":1124,"sourceId":1629},"who-water-treatment-annex5-2022",{"id":1631,"label":1632,"target":1633},"ww01-01-digester-risk","英国环境署：污水污泥消化池的风险",{"kind":1124,"sourceId":1634},"ea-sewage-sludge-digester-risk",{"id":1636,"label":1637,"target":1638},"ww01-01-osha-equipment","OSHA 技术手册：多气体监测与环境条件",{"kind":1124,"sourceId":1639},"osha-otm-direct-reading-equipment","监测目标",{"caption":1642,"headers":1643,"rows":1646,"referenceLinkId":1621,"note":1659},"工艺区域与监测要求",[939,1644,1645],"需评估的气体","需说明的条件",[1647,1651,1655],[1648,1649,1650],"收集与污泥处理","评估中确定的 H₂S、甲烷（CH₄）和氧气（O₂）。","进水组分、停留时间、受扰动的污泥以及通风。",[1652,1653,1654],"消化池沼气处理","CH₄、二氧化碳（CO₂）和 H₂S；区分工艺分析与环境泄漏监测。","样气压力、湿度以及所需的浓度单位。",[1656,1657,1658],"化学品投加与消毒","使用时的 Cl₂、ClO₂ 或 O₃；为氯胺消毒供应 NH₃ 时的 NH₃。","化学品库存、释放点，以及在储存或投加设备附近的作业。","以上为评估示例，并非规定的气体组合。下方来源涵盖污水处理工艺、消化池风险与水处理化学品。",{"id":1661,"heading":1662,"paragraphs":1663,"links":1666,"navLabel":1671,"table":1672},"ww01-02","复核停留时间、紊流与作业变化",[1664,1665],"污水在厌氧条件下停留，可能发生腐化并产生恶臭气体。在进水构筑物和溢流堰处，紊流会把挥发性化合物带入空气；污泥储存与处理还会形成更多需要复核的位置。","释放条件会随进水组分、停留时间和正在进行的作业而变化。请在现场平面图上标出相关位置，并说明泵送、污泥处理、清理和化学品变更，使监测方案反映这些条件。",[1667],{"id":1668,"label":1669,"target":1670},"ww01-02-scottish-guidance","苏格兰污水处理守则：腐化与紊流释放点（第 7 节）",{"kind":1124,"sourceId":1624},"作业与条件",{"caption":1673,"headers":1674,"rows":1677,"referenceLinkId":1668,"note":1687},"把释放条件与监测规格对应起来",[1675,1676],"需复核的条件","所需信息",[1678,1681,1684],[1679,1680],"停留与进水","确认储存的污水、外来污泥以及进水废物的变化。",[1682,1683],"紊流位置","标出进水构筑物、溢流堰及其他受扰动的液面。",[1685,1686],"作业活动","说明每个位置的污泥处理、清理与维护作业。","苏格兰污水处理恶臭守则列出了这些工艺来源。恶臭评估不能替代作业场所的气体监测。",{"id":1689,"heading":1690,"paragraphs":1691,"links":1695,"navLabel":1727,"table":1728},"ww01-03","让采样方式与作业相匹配",[1692,1693,1694],"请根据必须测量的位置选择采样方式，而不是只看检测器类别。下表区分了人员附近的空气、需远程到达的点、固定位置和抽取的工艺样气。","MS104K-M 支持扩散式采样，并随附外置泵。MS400-S 内置泵，并可切换为扩散式。请对照采样位置和所需气体，对比完整的配置——仪器、泵、探杆与管路。","对于受其覆盖的美国一般工业许可空间，OSHA 29 CFR 1910.146 将气体检测纳入雇主的进入管理方案。确定远程检测时，请同时考虑样气输送和仪器响应。受限空间应用页面单独说明该作业。",[1696,1699,1703,1706,1711,1716,1720,1723],{"id":1697,"label":1011,"target":1698},"ww01-03-link-01",{"kind":1194,"path":48},{"id":1700,"label":1701,"target":1702},"ww01-03-link-02","受限空间气体检测",{"kind":1194,"path":40},{"id":1704,"label":972,"target":1705},"ww01-03-link-03",{"kind":1194,"path":35},{"id":1707,"label":1708,"target":1709},"ww01-03-link-04","OSHA 29 CFR 1910.146（美国许可受限空间标准）",{"kind":1124,"sourceId":1710},"osha-1910-146",{"id":1712,"label":1713,"target":1714},"ww01-03-link-05","OSHA 1910.146 附录 B：气体检测程序",{"kind":1124,"sourceId":1715},"osha-1910-146-appendix-b",{"id":1717,"label":1718,"target":1719},"ww01-03-link-06","MS104K-M",{"kind":1194,"path":200},{"id":1721,"label":579,"target":1722},"ww01-03-link-07",{"kind":1194,"path":212},{"id":1724,"label":1725,"target":1726},"ww01-03-osha-equipment","OSHA 技术手册：扩散式与远程泵吸采样",{"kind":1124,"sourceId":1639},"监测任务",{"caption":1729,"headers":1730,"rows":1732,"referenceLinkId":1724,"note":1745},"让监测任务与采样位置相匹配",[1727,1731],"需确定的测量",[1733,1736,1739,1742],[1734,1735],"个人监测","作业期间人员附近的空气。",[1737,1738],"远程气体检测","通过拟用探杆和采样管路到达的指定点。",[1740,1741],"固定监测","两次巡检之间需要监测的选定位置。",[1743,1744],"抽取式监测","确定的采样点及到仪器的完整路径。","各作业的具体指导请见下方应用链接。选择采样方式前，请评估采样条件与响应。",{"id":1747,"heading":1748,"paragraphs":1749,"links":1752,"navLabel":1762,"table":1763},"ww01-04","记录位置、运行状态和测量类型",[1750,1751],"NIOSH 2025 年对一座州立污水处理厂的报告记录到，OPS 18 号楼内的 H₂S 点测读数为 0.15–0.56 ppm。当时该厂以一半负荷运行，报告将结论限定于评估当天和所评估的位置。","请在每个结果旁记录采样位置、时间与运行状态，以便日后复核时区分例行巡检与维护或工艺变更。点测读数、记录的峰值和班次平均值要分开保存；它们回答的是不同的问题。选择仪器或控制器前，请确定所需的记录间隔和报警历史。",[1753,1758],{"id":1754,"label":1755,"target":1756},"ww01-04-niosh-field-report","NIOSH 2025 年污水处理现场调查：结果（B-7）；局限性（B-10）",{"kind":1124,"sourceId":1757},"niosh-2025-state-wastewater-field-report",{"id":1759,"label":1760,"target":1761},"ww01-04-h2s-record-review","H₂S 峰值高、TWA 低：复核监测记录",{"kind":1194,"path":270},"暴露记录",{"caption":1764,"headers":1765,"rows":1768,"referenceLinkId":1754,"note":1778},"让气体记录可被解读的信息",[1766,1767],"记录要素","需回答的问题",[1769,1772,1775],[1770,1771],"测量类型","这是点测读数、记录的峰值，还是规定时段内的平均值？",[1773,1774],"位置与运行状态","样气在哪里采集，当时哪些设备或作业在运行？",[1776,1777],"时间与报警历史","记录能否把读数或报警与相关作业对应起来？","NIOSH 的数据来自一次调查的观察结果，并非典型的厂内浓度或报警设定。其局限性见印刷版第 B-10 页。",{"id":1780,"heading":1781,"paragraphs":1782,"links":1786,"navLabel":1800,"table":1801,"pageNav":1821},"ww01-05","同时核对样气输送与预处理",[1783,1784,1785],"在 HSE 一项 50%LEL（爆炸下限的 50%）的测试中，一套检测器加采样管的配置对一种可燃蒸气达到 90% 响应用时超过 15 分钟；同一配置对甲烷标定气的响应不到 5 秒。这些是该测试的结果，并非 H₂S 延迟的估算；它们说明了目标气体和完整样气路径为何重要。","对于潮湿的采样点，请说明温度、湿度、压力、流量以及拟用管路的长度和材质。请针对目标气体评估可能的吸附、过滤器和冷凝液处理，因为样气到达仪器之前的损失或延迟都可能影响读数。","当项目需要样气预处理和在线监测时，TH-2000-C 是一个候选方案。请对照目标气体和样气条件确认拟定的处理环节，并在确定配置前评估完整路径的响应。",[1787,1791,1795],{"id":1788,"label":1789,"target":1790},"ww01-05-link-02","TH-2000-C 样气预处理与在线监测系统",{"kind":1194,"path":244},{"id":1792,"label":1793,"target":1794},"ww01-05-link-03","污水气体采样指南",{"kind":1194,"path":292},{"id":1796,"label":1797,"target":1798},"ww01-05-hse-sample-tube","HSE CEMHD1–2020：采样管吸附与响应",{"kind":1124,"sourceId":1799},"hse-cemhd1-2020-sample-tube","样气处理",{"caption":1802,"headers":1803,"rows":1806,"referenceLinkId":1796,"note":1819,"figure":1820},"抽取式样气路径示意",[1804,1805],"路径环节","需评估的问题",[1807,1810,1813,1816],[1808,1809],"采样点","明确位置、目标气体与样气条件。",[1811,1812],"管路与过滤器","核对拟用的长度、材质以及可能的样气损失。",[1814,1815],"样气预处理（如需要）","评估处理环节、冷凝液处理以及可能的 H₂S 损失。",[1817,1818],"检测器","结合完整的采样路径核对气体量程与响应。","此为概念性布置，并非 TH-2000-C 的配置图。处理环节取决于项目；连接线和箭头表示路径，不表示气体输送、损失或响应时间。","sample_path",{"label":1822,"activeThroughId":1823},"样气路径与集成","ww01-07",{"id":1825,"heading":1826,"paragraphs":1827,"links":1833,"navLabel":1843},"ww01-06","同时核对报警、接口与文件",[1828,1829,1830,1831,1832],"固定测量点可以向厂内的报警或控制系统提供信号。评估接口和控制器兼容性之前，请先确定预期的通知以及任何规定的联锁动作。","MIC-600 支持固定式扩散测量，可选泵吸或流通式配置，提供 4–20 mA、RS485 和继电器输出，本地声光报警为选配。请对照现场要求评估安装条件与采样方式。","在 NIOSH 对一起工业废水 H₂S 释放事件的调查中，地下室的监测仪没有报警，但上方作业区的暴露情况仍不明确。该报告涉及的是一家航空发动机服务设施，而非市政污水厂；它说明了为何必须同时评估检测器位置与受影响的作业区域。","请在项目验收方案中确定控制器响应、通知、故障指示与恢复。报价时，请商定安装与操作说明书、标定或出厂检测记录，以及适用的认证文件。","请对照确切的型号或配置、证书适用范围与条件以及相关检测结果核对每份文件。请商定由谁负责设备检查与维护，以及设施需要保留哪些记录。",[1834,1838],{"id":1835,"label":1836,"target":1837},"ww01-06-link-01","MIC-600",{"kind":1194,"path":192},{"id":1839,"label":1840,"target":1841},"ww01-06-niosh-incident","NIOSH 工业废水调查：检测器位置（印刷版第 11 页）",{"kind":1124,"sourceId":1842},"niosh-2014-industrial-wastewater-release","报警与文件",{"id":1823,"heading":1845,"paragraphs":1846,"checklist":1849,"links":1856,"cue":1867,"navLabel":1868},"准备监测项目询价",[1847,1848],"请说明监测任务、采样条件与所需的响应。选定型号之前，可以先发送现有信息。我们的技术团队可以对照这些要求评审拟定的配置、采样附件与文件。","请使用下方清单准备项目信息，询价指南解释了这些输入。H₂S 询价链接用于这一特定需求；范围更广的气体监测项目请使用页面上的询价按钮。",[1850,1851,1852,1853,1854,1855],"国家和州／省、设施、位置与作业任务。","测量介质与目标：个人、固定点、工艺或恶臭调查。","已知的所需气体、量程以及同时监测的需求。","环境条件、采样路径以及计划中的样气处理。","所需的记录、报警、接口以及现有控制器的信息。","买方指定的文件、证书、安装要求与服务需求。",[1857,1860],{"id":1858,"label":1237,"target":1859},"ww01-07-link-01",{"kind":1194,"path":266},{"id":1861,"label":1862,"target":1863},"ww01-07-link-02","沟通您的污水 H₂S 监测需求",{"kind":1194,"path":300,"query":1864},{"type":1865,"context":1866,"gasRequirements":1087,"source":79},"technical_enquiry","污水 H₂S 监测需求","技术团队","项目询价",[1870,1874,1878],{"id":1871,"question":1872,"answer":1873},"water-humid-sample","为什么潮湿的污水样气需要特别注意？","因为样气管路一旦把样气冷却到露点以下，其中的水汽就会冷凝，而氨（以及程度较轻的 H₂S）会溶入冷凝水，所以抽取式分析仪可能在看似正常工作的同时读数偏低。做法是在到达一级受控干燥环节之前，让样气始终保持在露点以上，并在探杆进口处通入标定气，检查整条样气路径。“相关指南”中的污水气体采样指南说明了可选方案及其依据。",{"id":1875,"question":1876,"answer":1877},"water-confined-space","区域监测和受限空间作业监测是一回事吗？","不是。区域监测针对一个确定的位置或区域进行监视；进入监测是基于作业的流程，包括进入前检测和持续检测。产品与采样方式应依据具体目标确定。",{"id":1879,"question":1880,"answer":1881},"water-conditioning-choice","水务或污水采样点在什么情况下需要评估样气预处理？","只要样气到达仪器时可能超出其规定条件，例如湿度超过额定值、温度高于额定值、夹带粉尘或液体，或处于正压或抽吸状态，就需要评估。从加盖池体、湿井或风管抽取的空气，应对照这些限值核查。请提供样气温度、湿度、压力、颗粒物情况和管路走向。随后针对目标气体选择处理环节，并用这些气体通过整条样气路径进行检查；干燥处理并不会自动保留 H₂S。选择 TH-2000-C 或其他系统之前，请先确认处理环节。",{"title":1883,"description":1884},"水与污水行业的气体检测与监测","为湿井、消化池和化学品投加间确定气体监测规格。对比 H₂S、CH₄、O₂ 以及现场特定水处理化学品的采样方式。","先从监测任务入手，再复核采样条件、检测器选型与报警响应。本指南把这些输入与水务或污水项目所需的设备和文件对应起来。",{"productCardLayout":1887},"compact",{"market":17,"locale":18,"publication":1889,"displayName":1890,"h1":1891,"intro":1892,"sections":1893,"faq":2112,"seo":2122,"cardSummary":2125,"pagePresentation":2126},{"status":552,"indexable":10},"Water & Wastewater","Gas Monitoring for Water and Wastewater Operations","Collection wet wells, sludge handling, digester gas lines and chemical dosing rooms need different gas-monitoring specifications. Match the required gases and measuring ranges to each location and task, then choose portable, fixed or extractive equipment. Include sampling conditions, the complete sample path and the required alarm response in the specification.",[1894,1933,1959,2007,2036,2074,2089],{"id":1614,"heading":1895,"paragraphs":1896,"links":1899,"navLabel":1912,"table":1913},"Choose gases for each process area",[1897,1898],"A wet well, a digester gas line and a chemical dosing room do not present the same monitoring task. Start with the process inventory and the work at each location, then define the gases, ranges and measurements needed at the same time.","Worker protection measures the atmosphere where people may be exposed; process analysis characterizes a defined gas stream. Keep those objectives separate when specifying instruments, because the required concentration units and sampling conditions can differ.",[1900,1903,1906,1909],{"id":1621,"label":1901,"target":1902},"Scottish wastewater code: Process gases and sources, Sections 7.0–7.3",{"kind":1124,"sourceId":1624},{"id":1626,"label":1904,"target":1905},"WHO: Water-treatment chemicals, Annex 5",{"kind":1124,"sourceId":1629},{"id":1631,"label":1907,"target":1908},"Environment Agency: Sewage-sludge digester risks",{"kind":1124,"sourceId":1634},{"id":1636,"label":1910,"target":1911},"OSHA Technical Manual: Multigas monitoring and environmental conditions",{"kind":1124,"sourceId":1639},"Monitoring objectives",{"caption":1914,"headers":1915,"rows":1919,"referenceLinkId":1621,"note":1932},"Process areas and monitoring requirements",[1916,1917,1918],"Process area","Gases to assess","Conditions to specify",[1920,1924,1928],[1921,1922,1923],"Collection and sludge handling","H₂S, methane (CH₄) and oxygen (O₂), as identified in the assessment.","Influent composition, retention, disturbed sludge and ventilation.",[1925,1926,1927],"Digester gas handling","CH₄, carbon dioxide (CO₂) and H₂S; distinguish process analysis from ambient leak monitoring.","Sample pressure, moisture and the required concentration units.",[1929,1930,1931],"Chemical feed and disinfection","Cl₂, ClO₂ or O₃ where used; NH₃ where supplied for chloramination.","Chemical inventory, release points and work near storage or dosing equipment.","These are assessment examples, not a prescribed gas combination. The sources below cover wastewater processes, digester risks and water-treatment chemicals.",{"id":1661,"heading":1934,"paragraphs":1935,"links":1938,"navLabel":1942,"table":1943},"Review retention, turbulence and changes in the work",[1936,1937],"Sewage can become septic when retained under anaerobic conditions, allowing odorous gases to form. At inlet works and overflow weirs, turbulence can transfer volatile compounds into the air; sludge storage and handling create further locations to review.","Release conditions can change with influent composition, retention time and the work underway. Mark the relevant locations on the site plan and describe pumping, sludge handling, cleaning and chemical changes so the monitoring proposal reflects those conditions.",[1939],{"id":1668,"label":1940,"target":1941},"Scottish wastewater code: Septicity and turbulent release points, Section 7",{"kind":1124,"sourceId":1624},"Work and conditions",{"caption":1944,"headers":1945,"rows":1948,"referenceLinkId":1668,"note":1958},"Connect release conditions with the monitoring specification",[1946,1947],"Condition to review","Information needed",[1949,1952,1955],[1950,1951],"Retention and influent","Identify stored sewage, imported sludge and changes in incoming waste.",[1953,1954],"Turbulent locations","Mark inlet works, overflow weirs and other disturbed liquid surfaces.",[1956,1957],"Work activity","Describe sludge handling, cleaning and maintenance at each location.","The Scottish wastewater odour code identifies these process sources. Odour assessment does not replace workplace gas monitoring.",{"id":1689,"heading":1960,"paragraphs":1961,"links":1965,"navLabel":1987,"table":1988},"Match the sampling arrangement to the work",[1962,1963,1964],"Choose the sampling arrangement from the location that must be measured, rather than from the detector category alone. The table distinguishes air near the worker, a remotely reached point, a fixed location and an extracted process sample.","MS104K-M supports diffusion sampling and is supplied with an external pump. MS400-S has a built-in pump and can switch to diffusion. Compare the complete arrangement—instrument, pump, probe and line—against the sampling locations and required gases.","For covered US general-industry permit spaces, OSHA 29 CFR 1910.146 places atmospheric testing within the employer’s entry program. Allow for both sample transport and instrument response when defining remote testing. The confined-space application explains that task separately.",[1966,1969,1972,1974,1977,1980,1982,1984],{"id":1697,"label":1967,"target":1968},"Personal gas monitoring",{"kind":1194,"path":48},{"id":1700,"label":1970,"target":1971},"Confined-space atmospheric testing",{"kind":1194,"path":40},{"id":1704,"label":1323,"target":1973},{"kind":1194,"path":35},{"id":1707,"label":1975,"target":1976},"OSHA 29 CFR 1910.146",{"kind":1124,"sourceId":1710},{"id":1712,"label":1978,"target":1979},"OSHA 1910.146 Appendix B: Procedures for atmospheric testing",{"kind":1124,"sourceId":1715},{"id":1717,"label":1718,"target":1981},{"kind":1194,"path":200},{"id":1721,"label":579,"target":1983},{"kind":1194,"path":212},{"id":1724,"label":1985,"target":1986},"OSHA Technical Manual: Diffusion and remote pumped sampling",{"kind":1124,"sourceId":1639},"Monitoring tasks",{"caption":1989,"headers":1990,"rows":1993,"referenceLinkId":1724,"note":2006},"Match the monitoring task to the sampling location",[1991,1992],"Monitoring task","Measurement to define",[1994,1997,2000,2003],[1995,1996],"Personal monitoring","Air close to the worker during the work.",[1998,1999],"Remote atmospheric testing","An identified point reached through a proposed probe and sampling line.",[2001,2002],"Fixed monitoring","Selected locations that need monitoring between inspection rounds.",[2004,2005],"Extractive monitoring","A defined sample point and the complete path to the instrument.","Use the application links below for task-specific guidance. Assess sampling conditions and response before selecting the arrangement.",{"id":1747,"heading":2008,"paragraphs":2009,"links":2012,"navLabel":2019,"table":2020},"Record location, operating state and measurement type",[2010,2011],"NIOSH’s 2025 report on a state-operated wastewater plant recorded H₂S spot readings of 0.15–0.56 ppm inside OPS Building 18. The plant was operating at half capacity, and the report limits its findings to the locations and day assessed.","Record the sampling location, time and operating state alongside each result so later reviews can distinguish routine rounds from maintenance or process changes. Keep spot readings, logged peaks and shift averages separate; they answer different questions. Define the recording interval and alarm history needed before selecting the instrument or controller.",[2013,2016],{"id":1754,"label":2014,"target":2015},"NIOSH 2025 wastewater field investigation: Results B-7; limitations B-10",{"kind":1124,"sourceId":1757},{"id":1759,"label":2017,"target":2018},"High H₂S peak, low TWA: review the monitoring records",{"kind":1194,"path":270},"Exposure records",{"caption":2021,"headers":2022,"rows":2025,"referenceLinkId":1754,"note":2035},"Information that makes a gas record interpretable",[2023,2024],"Record element","Question to resolve",[2026,2029,2032],[2027,2028],"Measurement type","Is this a spot reading, a logged peak or an average over a stated period?",[2030,2031],"Location and operating state","Where was the sample taken, and what equipment or work was active?",[2033,2034],"Time and alarm history","Can the record connect a reading or alarm with the relevant task?","The NIOSH figures are observations from one investigation, not typical plant concentrations or alarm settings. Its limitations are on printed page B-10.",{"id":1780,"heading":2037,"paragraphs":2038,"links":2042,"navLabel":2052,"table":2053,"pageNav":2072},"Check sample transport and conditioning together",[2039,2040,2041],"In an HSE test at 50%LEL, a detector-and-tube arrangement took over 15 minutes to reach 90% response to a flammable vapour. The same arrangement responded to methane calibration gas in under 5 seconds. These are results for that test, not H₂S delay estimates; they show why the target gas and complete sample path matter.","For wet sample points, specify temperature, moisture, pressure, flow and the proposed tubing length and material. Assess possible adsorption, filters and condensate handling against the target gases, because losses or delays can affect the reading before the sample reaches the instrument.","TH-2000-C is a candidate where a project requires sample conditioning and online monitoring. Confirm the proposed treatment stages against the target gases and sample conditions, and assess complete-path response before agreeing the configuration.",[2043,2046,2049],{"id":1788,"label":2044,"target":2045},"TH-2000-C sample-conditioning and online monitoring system",{"kind":1194,"path":244},{"id":1792,"label":2047,"target":2048},"Wastewater gas sampling guide",{"kind":1194,"path":292},{"id":1796,"label":2050,"target":2051},"HSE CEMHD1–2020: Sample-tube adsorption and response",{"kind":1124,"sourceId":1799},"Sample handling",{"caption":2054,"headers":2055,"rows":2058,"referenceLinkId":1796,"note":2071,"figure":1820},"Conceptual extracted-sample path",[2056,2057],"Part of the path","Question to evaluate",[2059,2062,2065,2068],[2060,2061],"Sampling point","Identify the location, target gases and sample conditions.",[2063,2064],"Tubing and filters","Check the proposed length, materials and possible sample losses.",[2066,2067],"Sample conditioning, if required","Assess treatment stages, condensate handling and possible H₂S loss.",[2069,2070],"Detector","Check the gas range and response with the complete sampling path.","Conceptual arrangement, not a TH-2000-C configuration drawing. Treatment stages depend on the project; connections and arrows show the path, not gas transport, loss or response time.",{"label":2073,"activeThroughId":1823},"Sample path & integration",{"id":1825,"heading":2075,"paragraphs":2076,"links":2082,"navLabel":2088},"Check alarms, interfaces and documentation together",[2077,2078,2079,2080,2081],"A fixed measurement point can feed the plant warning or control system. Define the expected notifications and any specified interlock actions before assessing interfaces and controller compatibility.","MIC-600 supports fixed diffusion measurement, with optional pumped or flow-through arrangements. It provides 4–20 mA, RS485 and relay outputs. Local audible and visual alarms are optional. Assess mounting conditions and sampling mode against the site requirements.","In a NIOSH investigation of an industrial wastewater H₂S release, basement monitors did not alarm, but exposure conditions in the work area above remained uncertain. The report concerns an aircraft-engine services facility, not a municipal plant; it illustrates why detector location and the affected work area must be assessed together.","Define controller response, notifications, fault indication and recovery in the project acceptance plan. At quotation, agree the installation and operating instructions, calibration or factory test records, and applicable certification documents.","Check each document against the exact model or configuration, certificate scope and conditions, and relevant test results. Agree who will perform equipment checks and maintenance, and which records the facility will retain.",[2083,2085],{"id":1835,"label":1836,"target":2084},{"kind":1194,"path":192},{"id":1839,"label":2086,"target":2087},"NIOSH industrial wastewater investigation: Detector location, printed page 11",{"kind":1124,"sourceId":1842},"Alarms and documents",{"id":1823,"heading":2090,"paragraphs":2091,"checklist":2094,"links":2101,"cue":2110,"navLabel":2111},"Prepare the monitoring project inquiry",[2092,2093],"Share the monitoring task, sampling conditions and required response. You can send the information already available before selecting a model. Our technical team can review the proposed configuration, sampling accessories and documentation against those requirements.","Use the checklist below to prepare the project details. The quotation guide explains those inputs. The H₂S inquiry link is for that specific requirement; use the page inquiry button for a broader gas-monitoring project.",[2095,2096,2097,2098,2099,2100],"Country and state, facility, location and work task.","Measurement medium and objective: personal, fixed-point, process or odor investigation.","Required gases, measuring ranges and simultaneous-monitoring needs, where known.","Environmental conditions, sampling path and any planned sample treatment.","Required records, alarms, interfaces and existing controller details.","Buyer-specified documents, certificates, installation requirements and service needs.",[2102,2104],{"id":1858,"label":1552,"target":2103},{"kind":1194,"path":266},{"id":1861,"label":2105,"target":2106},"Discuss your wastewater H₂S monitoring requirement",{"kind":1194,"path":300,"query":2107},{"type":1865,"context":2108,"gasRequirements":2109,"source":79},"Wastewater H2S monitoring requirements","Hydrogen sulfide (H2S)","Technical Team","Project inquiry",[2113,2116,2119],{"id":1871,"question":2114,"answer":2115},"Why does a humid wastewater sample require special attention?","Because its water condenses wherever the sample line cools it below its dew point, and ammonia, and to a lesser degree H₂S, dissolve in that condensate, so an extractive analyzer can read low while appearing to work. The sample is kept above its dew point up to one controlled drying stage, and the complete path is checked with calibration gas at the probe inlet. The wastewater gas sampling guide under Related guidance explains the options and the evidence.",{"id":1875,"question":2117,"answer":2118},"Is area monitoring the same as confined-space entry monitoring?","No. Area monitoring watches a defined location or zone. Entry monitoring is a task-based workflow that includes pre-entry and ongoing checks. The product and sampling method should follow the specific objective.",{"id":1879,"question":2120,"answer":2121},"When should a water or wastewater sample point be assessed for sample conditioning?","Whenever the sample can reach the instrument outside its specified conditions, for example above its humidity rating, hotter than its rating, carrying dust or liquid, or under pressure or suction. Air drawn from a covered tank, wet well or duct should be checked against these limits. Provide the sample temperature, moisture, pressure, particulates and line route. The treatment stages are then chosen for the target gases and checked with those gases through the complete path; drying does not automatically preserve H₂S. Confirm the stages before selecting TH-2000-C or another system.",{"title":2123,"description":2124},"Water & Wastewater Gas Detection and Monitoring","Specify gas monitoring for wet wells, digesters and chemical dosing rooms. Compare sampling arrangements for H₂S, CH₄, O₂ and site-specific treatment chemicals.","Start with the monitoring task, then review sampling conditions, detector selection and alarm response. The guide connects these inputs with the equipment and documents needed for a water or wastewater project.",{"productCardLayout":1887},[],{"value":2129},{"categories":2130,"solutions":2464,"applications":2465,"industries":2482,"resources":2492},[2131,2184,2228,2275,2322,2369,2416],{"id":117,"slug":2132,"name":2133,"description":2134,"marketContent":2135,"displayOrder":2171,"media":2172},"portable-gas-detection","Portable Gas Detection","Wearable monitors and pump-suction sampling detectors for daily inspection and confined space pre-entry.",[2136,2154],{"market":315,"locale":316,"publication":2137,"displayName":2138,"h1":2138,"intro":2139,"sections":2140,"selectionGuidance":2141,"featuredResourceIds":2150,"seo":2151},{"status":552,"indexable":10},"便携式气体检测仪","浏览用于个人监测与现场巡检的便携式气体检测仪。可对比支持的气体、扩散式或泵吸式采样，以及各型号的数据记录与通讯选项。",[],[2142],{"id":2143,"heading":2144,"paragraphs":2145},"selection-notes","选型说明",[2146,2147,2148,2149],"先明确所需气体与量程，再确认所选型号能否实现该组合。","对比扩散式与泵吸式采样，再按作业任务核对尺寸与重量。","查看数据存储与通讯选项，标配功能与选配功能请分开对比。","请在产品页核对工作条件、防护等级与证书适用范围。",[],{"title":2138,"description":2152,"ogTitle":2153,"ogDescription":2152},"按气体能力、扩散式或泵吸式采样以及各型号的通讯选项对比便携式气体检测仪。查看技术规格并获取报价。","便携式气体检测仪 | 逸云天",{"market":17,"locale":18,"publication":2155,"displayName":2156,"h1":2156,"intro":2157,"sections":2158,"selectionGuidance":2159,"featuredResourceIds":2167,"seo":2168},{"status":552,"indexable":10},"Portable Gas Detectors","Browse portable gas detectors for personal monitoring and field checks. Compare supported gases, diffusion or pumped sampling, and model-specific logging and communication options.",[],[2160],{"id":2143,"heading":2161,"paragraphs":2162},"Selection notes",[2163,2164,2165,2166],"Start with the required gases and measuring ranges; confirm the combination for the selected model.","Compare diffusion and pumped sampling, then check size and weight for the task.","Review data storage and communication options, keeping standard and optional functions separate.","Check operating conditions, ingress protection and certificate scope on the product page.",[],{"title":2156,"description":2169,"ogTitle":2170,"ogDescription":2169},"Compare portable gas detectors by gas capability, diffusion or pumped sampling, and model-specific communication options. View specifications and request a quote.","Portable Gas Detectors | Eranntex",10,{"id":2173,"url":2174,"alt":2175,"localizedAlt":2176,"width":2178,"height":2178,"mimeType":2179,"roles":2180},"media-ms104k-l-1","\u002Fimages\u002Fproducts\u002Feranntex-pump-suction-single-gas-detector-btyq-ms104k-l-front-view.webp","Front view of an Eranntex BTYQ-MS104K-L portable gas detector.",{"zh-CN":2177},"逸云天 BTYQ-MS104K-L 便携式气体检测仪正面图。",800,"image\u002Fwebp",[2181,2182,2183],"card","hero","gallery",{"id":121,"slug":2185,"name":2186,"description":2187,"marketContent":2188,"displayOrder":2220,"media":2221},"transportable-gas-detection","Transportable Gas Detection Systems","Hand-carried multi-gas analyzers and deployable area monitors for temporary site monitoring and field measurements.",[2189,2205],{"market":315,"locale":316,"publication":2190,"displayName":2191,"h1":2191,"intro":2192,"sections":2193,"selectionGuidance":2194,"featuredResourceIds":2201,"seo":2202},{"status":552,"indexable":10},"移动式气体检测系统","依据测量任务、采样方式、供电要求与资料记载的通讯选项进行选择。",[],[2195],{"id":2143,"heading":2144,"paragraphs":2196},[2197,2198,2199,2200],"如需泵吸式气体分析，请参考 PTM600-S 的参数；如需可部署监测，请参考 PTM600-S2 的参数。","请确认所选型号的气体、量程与预期组合。","部署前请核对采样、供电以及携带或安装要求。","视频与通讯功能请按型号核对；两款仪器的选项并不相同。",[],{"title":2191,"description":2203,"ogTitle":2204,"ogDescription":2203},"了解 PTM600-S 气体分析与 PTM600-S2 可部署监测。按现场项目对比采样、供电与通讯要求。","移动式气体检测系统 | 逸云天",{"market":17,"locale":18,"publication":2206,"displayName":2186,"h1":2186,"intro":2207,"sections":2208,"selectionGuidance":2209,"featuredResourceIds":2216,"seo":2217},{"status":552,"indexable":10},"Choose based on the measurement task, sampling method, power requirements and documented communication options.",[],[2210],{"id":2143,"heading":2161,"paragraphs":2211},[2212,2213,2214,2215],"Use the PTM600-S specifications to assess pumped gas analysis and the PTM600-S2 specifications to assess deployable monitoring.","Confirm gases, ranges and the intended combination for the selected model.","Check sampling, power and carrying or mounting requirements before deployment.","Review video and communication functions by model; do not assume the two instruments share the same options.",[],{"title":2186,"description":2218,"ogTitle":2219,"ogDescription":2218},"Explore PTM600-S gas analysis and PTM600-S2 deployable monitoring. Compare sampling, power and communication requirements for your field project.","Transportable Gas Detection Systems | Eranntex",20,{"id":2222,"url":2223,"alt":2224,"localizedAlt":2225,"width":2178,"height":2178,"mimeType":2179,"roles":2227},"media-ptm600-s-1","\u002Fimages\u002Fproducts\u002Feranntex-portable-multi-gas-analyzer-btyq-ptm600-s-front-view.webp","Front view of the Eranntex BTYQ-PTM600-S portable pump-suction multi-gas analyzer with rugged orange casing, Android smart display, and support for 1 to 24 gases.",{"zh-CN":2226},"逸云天 BTYQ-PTM600-S 便携泵吸式多气体分析仪正面图：橙色加固外壳、安卓智能显示屏，支持 1 至 24 种气体。",[2181,2182,2183],{"id":101,"slug":2229,"name":2230,"description":2231,"marketContent":2232,"displayOrder":11,"media":2267},"fixed-gas-detection","Fixed Gas Detection","Fixed-point detectors and transmitters for continuous, 24\u002F7 safety monitoring across industrial facilities.",[2233,2250],{"market":315,"locale":316,"publication":2234,"displayName":2235,"h1":2235,"intro":2236,"sections":2237,"selectionGuidance":2238,"featuredResourceIds":2245,"seo":2246},{"status":552,"indexable":10},"固定式气体检测仪","为工业监测装置选择固定式气体检测仪。请结合现场系统，对比气体能力、传感选项、本地操作与信号输出。",[],[2239],{"id":2143,"heading":2144,"paragraphs":2240},[2241,2242,2243,2244],"请说明目标气体与量程，再确认所选检测仪的配置。","对比资料记载的传感选项与本地操作要求。","使信号输出与控制系统相匹配；可选接口请单独核对。","请结合预期安装位置，核对环境限值与证书适用范围。",[],{"title":2247,"description":2248,"ogTitle":2249,"ogDescription":2248},"工业监测用固定式气体检测仪","按气体能力、传感选项、本地操作与信号输出选择固定式气体检测仪，并结合您的工业装置核对各型号的技术规格。","工业监测用固定式气体检测仪 | 逸云天",{"market":17,"locale":18,"publication":2251,"displayName":2252,"h1":2252,"intro":2253,"sections":2254,"selectionGuidance":2255,"featuredResourceIds":2262,"seo":2263},{"status":552,"indexable":10},"Fixed Gas Detectors","Select fixed gas detectors for industrial monitoring installations. Compare gas capability, sensing options, local operation and signal outputs for the intended site system.",[],[2256],{"id":2143,"heading":2161,"paragraphs":2257},[2258,2259,2260,2261],"Specify the target gases and ranges, then confirm the configuration for the selected detector.","Compare documented sensing options and local operation requirements.","Match signal outputs to the control system; review optional interfaces separately.","Check environmental limits and certificate scope for the intended installation.",[],{"title":2264,"description":2265,"ogTitle":2266,"ogDescription":2265},"Fixed Gas Detectors for Industrial Monitoring","Select fixed gas detectors by gas capability, sensing options, local operation and signal outputs. Review model specifications for your industrial installation.","Fixed Gas Detectors for Industrial Monitoring | Eranntex",{"id":2268,"url":2269,"alt":2270,"localizedAlt":2271,"width":2273,"height":2273,"mimeType":2179,"roles":2274},"media-mic-500s-1","\u002Fimages\u002Fproducts\u002Feranntex-fixed-gas-detector-gtyq-mic-500s-alarm-strobe-front-view.webp","Front view of the Eranntex GTYQ-MIC-500S fixed flameproof single gas detector featuring a 1.7-inch color LCD display and integrated audio-visual alarm strobe.",{"zh-CN":2272},"逸云天 GTYQ-MIC-500S 固定式隔爆型单气体检测仪正面图，配 1.7 英寸彩色液晶显示屏和一体式声光报警灯。",700,[2181,2182,2183],{"id":109,"slug":2276,"name":2277,"description":2278,"marketContent":2279,"displayOrder":2314,"media":2315},"gas-alarm-controllers","Gas Detection Controllers","Control and annunciation equipment for gas detection installations.",[2280,2297],{"market":315,"locale":316,"publication":2281,"displayName":2282,"h1":2282,"intro":2283,"sections":2284,"selectionGuidance":2285,"featuredResourceIds":2292,"seo":2293},{"status":552,"indexable":10},"气体报警控制器","选择用于探测器信号采集、本地显示与报警输出的气体报警控制器。按探测器网络的输入容量、信号类型与继电器要求进行匹配。",[],[2286],{"id":2143,"heading":2144,"paragraphs":2287},[2288,2289,2290,2291],"请统计所需探测器输入数量，并区分模拟量输入与 RS485 网络容量。","请核对所选型号的标配与扩展输入配置。","请对照现场控制要求确认继电器输出与可选接口。","确定控制器前，请核对安装、供电与外壳要求。",[],{"title":2294,"description":2295,"ogTitle":2296,"ogDescription":2295},"气体报警控制器与控制单元","按模拟量与 RS485 输入、继电器输出、安装与集成选项对比气体报警控制器，为您的探测器网络确定控制器。","气体报警控制器与控制单元 | 逸云天",{"market":17,"locale":18,"publication":2298,"displayName":2299,"h1":2299,"intro":2300,"sections":2301,"selectionGuidance":2302,"featuredResourceIds":2309,"seo":2310},{"status":552,"indexable":10},"Gas Alarm Controllers","Choose gas alarm controllers for detector signal collection, local display and alarm outputs. Match input capacity, signal types and relay requirements to the detector network.",[],[2303],{"id":2143,"heading":2161,"paragraphs":2304},[2305,2306,2307,2308],"Count the required detector inputs and distinguish analog inputs from RS485 network capacity.","Check the selected model’s standard and expanded input arrangements.","Confirm relay outputs and optional interfaces against the site control requirements.","Review mounting, power and enclosure requirements before specifying the controller.",[],{"title":2311,"description":2312,"ogTitle":2313,"ogDescription":2312},"Gas Alarm Controllers and Control Units","Compare gas alarm controllers by analog and RS485 inputs, relay outputs, mounting and integration options. Specify a controller for your detector network.","Gas Alarm Controllers and Control Units | Eranntex",40,{"id":2316,"url":2317,"alt":2318,"localizedAlt":2319,"width":2178,"height":2178,"mimeType":2179,"roles":2321},"media-mic-1000-1","\u002Fimages\u002Fproducts\u002Feranntex-gas-alarm-controller-mic-1000-wall-mount-front-view.webp","Front view of the Eranntex MIC-1000 wall-mounted gas alarm controller featuring a stainless steel enclosure, 3.5-inch color display, status indicators, and multi-channel input support.",{"zh-CN":2320},"逸云天 MIC-1000 壁挂式气体报警控制器正面图：不锈钢机箱、3.5 英寸彩色显示屏和状态指示灯，支持多通道输入。",[2181,2182,2183],{"id":113,"slug":2323,"name":2324,"description":2325,"marketContent":2326,"displayOrder":2360,"media":2361},"gas-monitoring-analysis-systems","Gas Monitoring & Analysis Systems","Online analysis, environmental monitoring and sample-conditioning systems.",[2327,2343],{"market":315,"locale":316,"publication":2328,"displayName":1023,"h1":1023,"intro":2329,"sections":2330,"selectionGuidance":2331,"featuredResourceIds":2338,"seo":2339},{"status":552,"indexable":10},"了解在线气体分析仪、样气处理系统，以及环境空气与异味监测设备。请围绕测量任务与样气条件选择系统类别。",[],[2332],{"id":2143,"heading":2144,"paragraphs":2333},[2334,2335,2336,2337],"先明确任务：气体分析、样气处理、环境空气监测或异味监测。","请说明所需气体或测量因子，并确认项目配置。","适用时请核对采样温度、湿度、距离与样气处理要求。","请在所选系统的产品页核对输出、供电与安装要求。",[],{"title":2340,"description":2341,"ogTitle":2342,"ogDescription":2341},"在线气体分析与监测系统","浏览在线气体分析仪、样气处理设备，以及空气与异味监测系统，核对测量范围与项目要求。","在线气体分析与监测系统 | 逸云天",{"market":17,"locale":18,"publication":2344,"displayName":2345,"h1":2345,"intro":2346,"sections":2347,"selectionGuidance":2348,"featuredResourceIds":2355,"seo":2356},{"status":552,"indexable":10},"Gas Monitoring and Analysis Systems","Explore online gas analyzers, sample-conditioning systems, and ambient air and odor monitoring equipment. Choose the system family around the measurement task and sample conditions.",[],[2349],{"id":2143,"heading":2161,"paragraphs":2350},[2351,2352,2353,2354],"Start with the task: gas analysis, sample conditioning, ambient air monitoring or odor monitoring.","Specify the required gases or measurement factors and confirm the project configuration.","Review sampling temperature, humidity, distance and conditioning requirements where applicable.","Check outputs, power and installation requirements on the selected system’s product page.",[],{"title":2357,"description":2358,"ogTitle":2359,"ogDescription":2358},"Online Gas Analysis and Monitoring Systems","Browse online gas analyzers, sample-conditioning equipment, and air and odor monitoring systems. Review measurement scope and project requirements.","Online Gas Analysis and Monitoring Systems | Eranntex",50,{"id":2362,"url":2363,"alt":2364,"localizedAlt":2365,"width":2367,"height":2367,"mimeType":2179,"roles":2368},"media-doas-2000-1","\u002Fimages\u002Fproducts\u002Feranntex-online-doas-gas-analyzer-cabinet-doas-2000-front-view.webp","Perspective front view of the Eranntex DOAS-2000 online UV differential absorption spectrometer gas analyzer cabinet featuring a top color touchscreen and dual access panels.",{"zh-CN":2366},"逸云天 DOAS-2000 在线紫外差分吸收光谱气体分析仪机柜的正面透视图，顶部为彩色触摸屏，正面有两块检修面板。",1000,[2181,2182,2183],{"id":105,"slug":2370,"name":2371,"description":2372,"marketContent":2373,"displayOrder":2408,"media":2409},"flame-detection","Flame Detection","Industrial flame detectors for fixed fire and process-risk monitoring.",[2374,2391],{"market":315,"locale":316,"publication":2375,"displayName":2376,"h1":2376,"intro":2377,"sections":2378,"selectionGuidance":2379,"featuredResourceIds":2386,"seo":2387},{"status":552,"indexable":10},"工业火焰探测器","浏览 MIC-200 红外与紫外\u002F红外复合火焰探测器。请按预期安装位置对比探测配置、资料记载的探测距离与响应，以及输出要求。",[],[2380],{"id":2143,"heading":2144,"paragraphs":2381},[2382,2383,2384,2385],"请对比红外与紫外\u002F红外复合两种探测配置。","探测距离与响应需结合资料记载的目标物与试验条件一并查看。","请对照接收系统核对信号输出与安装要求。","请确认所选型号的证书适用范围及其对现场的适用性。",[],{"title":2388,"description":2389,"ogTitle":2390,"ogDescription":2389},"工业红外与紫外\u002F红外火焰探测器","按探测配置、资料记载的距离、响应与输出，对比适用于工业装置的 MIC-200 红外与紫外\u002F红外火焰探测器。","工业红外与紫外\u002F红外火焰探测器 | 逸云天",{"market":17,"locale":18,"publication":2392,"displayName":2393,"h1":2393,"intro":2394,"sections":2395,"selectionGuidance":2396,"featuredResourceIds":2403,"seo":2404},{"status":552,"indexable":10},"Industrial Flame Detectors","Browse MIC-200 infrared and combined ultraviolet\u002Finfrared flame detectors. Compare sensing configuration, documented detection distance and response, and output requirements for the intended installation.",[],[2397],{"id":2143,"heading":2161,"paragraphs":2398},[2399,2400,2401,2402],"Compare infrared and combined ultraviolet\u002Finfrared sensing configurations.","Review detection distance and response together with the documented target and test conditions.","Check signal outputs and installation requirements against the receiving system.","Confirm the selected model’s certificate scope and suitability for the site.",[],{"title":2405,"description":2406,"ogTitle":2407,"ogDescription":2406},"Industrial IR and UV\u002FIR Flame Detectors","Compare MIC-200 IR and UV\u002FIR flame detectors by sensing configuration, documented distance, response and outputs for industrial installations.","Industrial IR and UV\u002FIR Flame Detectors | Eranntex",60,{"id":2410,"url":2411,"alt":2412,"localizedAlt":2413,"width":2367,"height":2367,"mimeType":2179,"roles":2415},"media-mic-200-ir2-1","\u002Fimages\u002Fproducts\u002Feranntex-explosion-proof-flame-detector-mic-200-series-front-view.webp","Perspective front view of the Eranntex MIC-200 series explosion-proof flame detector featuring a red flameproof cast housing, integrated sunshield, optical lens window, and multi-axis adjustable swivel mounting bracket.",{"zh-CN":2414},"逸云天 MIC-200 系列防爆火焰探测器的正面透视图：红色隔爆铸造外壳、一体式遮阳罩、光学镜片窗口，以及可多向调节的旋转安装支架。",[2181,2182,2183],{"id":97,"slug":2417,"name":2418,"description":2419,"marketContent":2420,"displayOrder":2454,"media":2455},"connected-monitoring-systems","Connected Monitoring Systems","Wireless gas detection networks paired with cloud-based dashboards for real-time fleet and site visibility.",[2421,2438],{"market":315,"locale":316,"publication":2422,"displayName":2423,"h1":2423,"intro":2424,"sections":2425,"selectionGuidance":2426,"featuredResourceIds":2433,"seo":2434},{"status":552,"indexable":10},"联网监测系统","评估智能云监测平台在兼容监测点之间实现读数、报警与历史记录集中管理的能力。设备接入与集成范围按项目逐一确认。",[],[2427],{"id":2143,"heading":2144,"paragraphs":2428},[2429,2430,2431,2432],"请明确需要接入的设备，并按项目确认兼容性。","与技术销售共同确定通讯路径与部署要求。","请核对所需各现场的报警记录、趋势历史与可见范围。","订购前请明确是否需要接入 DCS、PLC 或第三方系统；兼容性须按项目确认。",[],{"title":2435,"description":2436,"ogTitle":2437,"ogDescription":2436},"联网监测与智能云平台","通过智能云监测平台集中管理兼容监测点、报警与历史数据。请按项目确认设备兼容性与集成范围。","联网监测与智能云平台 | 逸云天",{"market":17,"locale":18,"publication":2439,"displayName":2418,"h1":2418,"intro":2440,"sections":2441,"selectionGuidance":2442,"featuredResourceIds":2449,"seo":2450},{"status":552,"indexable":10},"Evaluate the Smart Cloud Monitoring Platform for centralized readings, alarms and history across compatible monitoring points. Device connections and integration scope are confirmed for each project.",[],[2443],{"id":2143,"heading":2161,"paragraphs":2444},[2445,2446,2447,2448],"Identify the devices to connect and confirm compatibility for the project.","Define the communication path and deployment requirements with technical sales.","Review alarm records, trend history and visibility across the required sites.","Identify any required DCS, PLC or third-party integration before ordering; compatibility must be confirmed for the project.",[],{"title":2451,"description":2452,"ogTitle":2453,"ogDescription":2452},"Connected Monitoring and Smart Cloud Platform","Centralize compatible monitoring points, alarms and historical data with the Smart Cloud Monitoring Platform. Confirm device compatibility and integration scope for your project.","Connected Monitoring and Smart Cloud Platform | Eranntex",70,{"id":2456,"url":2457,"alt":2458,"localizedAlt":2459,"width":2461,"height":2462,"mimeType":2179,"roles":2463},"media-smart-cloud-platform-operations-wallboard","\u002Fimages\u002Fproducts\u002Fcloud-platform\u002Fsmart-cloud-operations-wallboard-redacted.webp","Smart Cloud Monitoring Platform operations wallboard showing device status, weather, location and alarm trends with operational data redacted.",{"zh-CN":2460},"智能云监测平台运营大屏，显示设备状态、天气、位置和报警趋势；运营数据已做遮挡处理。",2560,1229,[2181,2182,2183],[],[2466,2470,2474,2478],{"slug":2467,"marketContent":2468},"personal-gas-monitoring",[2469],{"market":315,"displayName":1011},{"slug":2471,"marketContent":2472},"confined-space-entry",[2473],{"market":315,"displayName":1007},{"slug":2475,"marketContent":2476},"leak-detection",[2477],{"market":315,"displayName":995},{"slug":2479,"marketContent":2480},"area-monitoring",[2481],{"market":315,"displayName":972},[2483,2486,2489],{"slug":530,"marketContent":2484},[2485],{"market":315,"displayName":553},{"slug":918,"marketContent":2487},[2488],{"market":315,"displayName":933},{"slug":1595,"marketContent":2490},[2491],{"market":315,"displayName":1609},[2493,2499,2504,2509,2515,2520],{"slug":2494,"type":2495,"marketContent":2496},"public-procurement-awards-qingdao-xinjiang","news",[2497],{"market":315,"title":2498},"逸云天祝贺供应商在青岛、新疆政府采购项目中标",{"slug":2500,"type":2495,"marketContent":2501},"oman-customer-visit-refrigerated-vehicle-gas-detection",[2502],{"market":315,"title":2503},"逸云天接待阿曼客户，洽谈冷藏车气体检测",{"slug":2505,"type":2495,"marketContent":2506},"customer-training-custom-vehicle-exhaust-project",[2507],{"market":315,"title":2508},"逸云天接待客户开展定制车辆尾气项目培训",{"slug":2510,"type":2511,"marketContent":2512},"h2s-monitor-peak-twa-records","technical_guide",[2513],{"market":315,"title":2514},"H₂S 峰值高、TWA 低：接下来该核查什么",{"slug":2516,"type":2511,"marketContent":2517},"wastewater-gas-monitoring-sample-handling",[2518],{"market":315,"title":2519},"污水 H₂S 监测：为潮湿的池内空气搭建气体采样系统",{"slug":2521,"type":2511,"marketContent":2522},"gas-detector-quotation-checklist",[2523],{"market":315,"title":1237},{"value":2525},{"brand":2526,"overseasLegalEntity":2528,"manufacturingLegalEntity":2531},{"name":2527},"Eranntex",{"id":2529,"legalNameEn":2530},"organization-eranntex","Shenzhen Eranntex Electronics Co., Ltd.",{"id":2529,"legalNameZh":2532,"legalNameEn":2533},"深圳市逸云天电子有限公司","Shenzhen Yiyuntian Electronics Co., Ltd.",{"value":2535},{"id":24,"identity":2536,"manufacturingEstablishedYear":2540,"brandEstablishedYear":2541,"industries":2542,"certificateIds":2552,"marketContent":2555,"sources":3326},{"brand":2537,"overseasLegalEntity":2538,"manufacturingLegalEntity":2539},{"name":2527},{"id":2529,"legalNameEn":2530},{"id":2529,"legalNameZh":2532,"legalNameEn":2533},2006,2014,[2543,2544,2545,2546,2547,2548,2549,2550,2551],"Oil and gas","Chemical processing","Gas transmission and storage","Municipal gas","Fire safety","Environmental monitoring","Metallurgy","Biopharmaceuticals","Energy and power",[2553,2554],"certificate-iso-14001-2024","certificate-high-tech-enterprise-2023",[2556,3010],{"market":17,"locale":18,"publication":2557,"displayName":2558,"intro":2559,"mission":2560,"values":2561,"valuesStatement":2566,"portfolioSummary":2567,"overviewSections":2568,"operatingModel":2587,"qualityIntro":2613,"history":2614,"contact":2638,"heroMedia":2670,"storyMedia":2676,"manufacturing":2679,"seo":3007},{"status":552,"indexable":10},"About Eranntex","Eranntex presents portable and fixed gas detectors, gas analysis equipment and monitoring systems for international industrial projects. Shenzhen Eranntex Electronics Co., Ltd. and Shenzhen Yiyuntian Electronics Co., Ltd. are official names of the same legal entity, covering international enquiries and Shenzhen manufacturing.","To protect the health of everyone and the safety of their working environment.",[2562,2563,2564,2565],"Integrity","Innovation","Professionalism","Quality","A safety partner you can trust.","The range includes personal and portable detectors, fixed transmitters, gas alarm controllers, process gas analyzers and sample-conditioning equipment. Model specifications and certificate scope should be checked against the intended monitoring task.",[2569,2575,2581],{"id":2570,"heading":2571,"paragraphs":2572},"company-foundation","Gas detection equipment from Shenzhen",[2573,2574],"Shenzhen Yiyuntian Electronics Co., Ltd. was established in 2006 to develop, manufacture and support gas detection and analysis equipment.","The Eranntex brand was established in 2014 to bring this industrial gas detection experience to international markets.",{"id":2576,"heading":2577,"paragraphs":2578},"company-technical-development","Equipment design, manufacture and project review",[2579,2580],"Product development and manufacturing cover portable and fixed gas detection, gas analysis, sample conditioning and online monitoring equipment.","For a project review, the useful starting point is the target gas and range, number of gases to monitor at once, operating conditions, sampling arrangement, required outputs and documentation.",{"id":2582,"heading":2583,"paragraphs":2584},"company-customer-commitment","From technical enquiry to a defined scope",[2585,2586],"A technical enquiry can be reviewed against model capabilities, available configuration options, installation interfaces and the documents needed by the buyer.","Any quotation or project scope should identify what is confirmed, what depends on a selected configuration and what remains to be checked.",[2588,2593,2598,2603,2608],{"id":2589,"heading":2590,"paragraphs":2591},"company-requirement-definition","Application and site conditions",[2592],"Record the monitoring task, target gases and ranges, location, ambient conditions and any area classification supplied by the project.",{"id":2594,"heading":2595,"paragraphs":2596},"company-solution-design","Measurement and sampling",[2597],"Compare portable, fixed and online approaches against the number of gases to monitor at once, sampling method and response conditions.",{"id":2599,"heading":2600,"paragraphs":2601},"company-product-realization","Configuration and interfaces",[2602],"Check model-level gas options separately from any confirmed orderable configuration. For fixed systems, record power, signals, alarms and controller interfaces.",{"id":2604,"heading":2605,"paragraphs":2606},"company-installation-commissioning","Documents and project scope",[2607],"Match requested manuals, drawings, declarations and certificates to the exact model or configuration. Define installation and commissioning responsibilities in the project scope.",{"id":2609,"heading":2610,"paragraphs":2611},"company-service-operation","Operation and service planning",[2612],"Identify calibration, maintenance, spare-part and training needs before handover; confirm the support arrangements available for the destination market.","Company qualifications are presented with the named entity, issuing details and validity shown on each record, supporting a clear supplier review.",[2615,2621,2627,2633],{"period":2616,"heading":2617,"paragraphs":2618},"2006–2010","Early portable and fixed instruments",[2619,2620],"Shenzhen Yiyuntian Electronics Co., Ltd. was established in 2006. Early product work included portable and handheld pump-sampling detectors, followed by fixed gas detectors.","The equipment range broadened for industrial and environmental monitoring applications.",{"period":2622,"heading":2623,"paragraphs":2624},"2013–2014","R&D center and Eranntex brand",[2625,2626],"A dedicated research and development center was established in 2013 to support work on higher-end gas analysis instruments.","In 2014, Eranntex was introduced as the company’s independent brand.",{"period":2628,"heading":2629,"paragraphs":2630},"2017–2019","Cloud monitoring and analytical methods",[2631,2632],"Development expanded into remote gas monitoring and connected platforms. A gas monitoring cloud platform entered use in 2018 as part of broader integrated monitoring work.","By 2019, development had progressed in laser analysis, differential ultraviolet analysis and CEMS-related systems.",{"period":2634,"heading":2635,"paragraphs":2636},"2020–2026","Intelligent instruments and software",[2637],"Work in 2023 included higher-end gas detectors, intelligent instruments and supporting software systems.",{"headquartersName":2639,"addressLines":2640,"location":2644,"mainPhone":2653,"mainPhoneExtension":2654,"salesEmail":2655,"salesRegions":2656,"serviceContacts":2669},"Shenzhen office and factory",[2641,2642,2643],"Unit B, 7\u002FF, Building 10, Rundongsheng Industrial Zone","Longzhu Community, Xixiang Subdistrict, Bao'an District","Shenzhen, Guangdong, China",{"registeredAddressZh":2645,"postalAddress":2646,"googleMapsQuery":2650,"baiduMapsQuery":2651,"appleMapsQuery":2651,"amapPoiId":2652},"深圳市宝安区西乡街道龙珠社区润东晟工业区10栋7层B",{"streetAddress":2647,"addressLocality":2648,"addressRegion":2649,"addressCountry":315},"Unit B, 7\u002FF, Building 10, Rundongsheng Industrial Zone, Longzhu Community, Xixiang Subdistrict, Bao'an District","Shenzhen","Guangdong","润东晟工业园 西乡街道 宝安区 深圳","深圳市宝安区西乡街道润东晟工业区10栋","B0FFG9KKDP","0755-26991270","0","info@eranntex.com",[2657,2661,2665],{"id":2658,"name":2659,"coverage":2660},"americas","Americas","North America, Central America, South America and the Caribbean",{"id":2662,"name":2663,"coverage":2664},"europe","Europe","European Union, United Kingdom and other European markets",{"id":2666,"name":2667,"coverage":2668},"asia-pacific","Asia-Pacific and other markets","Asia-Pacific, Middle East, Africa and markets not listed above",[],{"id":2671,"url":2672,"alt":2673,"width":2674,"height":2675,"mimeType":2179},"media-facility-reception","\u002Fimages\u002Fcompany\u002Ffacility\u002Freception.webp","Eranntex reception desk with the Eranntex and 逸云天 name wall",1600,1200,{"id":2677,"url":926,"alt":2678,"width":544,"height":545,"mimeType":546},"media-company-story-representative","Safety technician checking industrial process equipment with a gas detector",{"displayName":2680,"eyebrow":2681,"h1":2682,"intro":2683,"heroMedia":2684,"heroClip":2690,"facts":2699,"video":2718,"routeHeading":2738,"routeIntro":2739,"route":2740,"routeFinale":2801,"galleryAreas":2804,"gallery":2818,"invitation":2919,"seo":3004},"Manufacturing & Factory Visit","Shenzhen factory · since 2006","See where your gas detectors are built","Twelve production lines, a calibration area and our engineering team, all at one site in Shenzhen. Come and see it in person or on a video call.",{"id":2685,"url":2686,"alt":2687,"width":2688,"height":2689,"mimeType":2179},"media-facility-production-line-2026","\u002Fimages\u002Fcompany\u002Ffacility\u002Fproduction-line-2026.webp","Eranntex production floor with assembly benches and staff at work, March 2026",2000,1500,{"url":2691,"mimeType":2692,"width":2693,"height":2694,"poster":2695},"\u002Fvideos\u002Fcompany\u002Fline-hero.mp4","video\u002Fmp4",1280,470,{"id":2696,"url":2697,"alt":2698,"width":2693,"height":2694,"mimeType":2179},"media-facility-line-hero-poster","\u002Fimages\u002Fcompany\u002Ffacility\u002Fline-hero-poster.webp","Eranntex production floor with staff at the assembly lines",[2700,2706,2712],{"id":2701,"label":2702,"value":2703},"production-lines","Production lines",{"value":2704,"unit":662,"qualifier":2705},12,"exact",{"id":2707,"label":2708,"value":2709},"daily-capacity","Daily capacity",{"value":2710,"unit":2711,"qualifier":2705},500,"units",{"id":2713,"label":2714,"value":2715},"floor-area","Factory and office space",{"value":2716,"unit":2717,"qualifier":2705},6000,"m²",{"id":2719,"url":2720,"mimeType":2692,"width":2693,"height":2721,"durationSeconds":2722,"recordedDate":2723,"title":2724,"description":2725,"scopeNote":2726,"transcript":2727,"poster":2734},"video-verified-supplier-2026","\u002Fvideos\u002Fcompany\u002Fverified-supplier-2026.mp4",720,130,"2026-05-12","Supplier verification video, May 2026","Recorded at the Shenzhen factory on 12 May 2026 for the Alibaba.com Verified Supplier on-site verification. The video carries the Alibaba.com, Verified Supplier and SGS marks and is narrated in English.","Certificates mentioned in the film, such as ATEX, CE and CCCF, apply to specific models. Each product page lists the certificates that cover that model.",[2728,2729,2730,2731,2732,2733],"Founded in 2006, Shenzhen Eranntex Electronics Co., Ltd. is a National High-Tech Enterprise with over 20 years of industry experience. We integrate design, R&D, production, and sales to provide one-stop total solutions for gas detection.","We operate 12 advanced production lines with a daily capacity of 500 units, handling all types of orders with precision and a firm commitment to 100% on-time delivery.","Eranntex holds over 300 patents and multiple international certifications, including ISO 9001, ISO 14001, ISO 45001, EU ATEX (explosion-proof), CE, RoHS, and CCCF.","Leveraging our core technical strengths, we have successfully delivered more than 10,000 customized gas detection solutions across various industries, precisely meeting diverse monitoring needs.","Our diverse product portfolio includes toxic, hazardous, flammable, and explosive gas detectors, gas analyzers, gas alarm controllers, gas online monitoring pre-treatment systems, micro air monitoring stations, odor online monitoring systems, DOAS (Differential Optical Absorption Spectroscopy) gas analyzers, and gas monitoring cloud platforms. These products are widely used in industries such as petroleum, chemicals, environmental protection, and biopharmaceuticals.","We always put service first, offering 24\u002F7 response, a one-year quality guarantee, professional technical training, and lifetime equipment maintenance. We are committed to safeguarding customer safety with expertise and responsibility, and to empowering high-quality industry development.",{"id":2735,"url":2736,"alt":2737,"width":2693,"height":2721,"mimeType":2179},"media-facility-verified-supplier-2026-poster","\u002Fimages\u002Fcompany\u002Ffacility\u002Fverified-supplier-2026-poster.webp","Frame from the verification video showing the Eranntex production floor","Walk the factory floor","Follow the route a visitor takes, from reception to the warehouse.",[2741,2753,2765,2777,2789],{"id":2742,"label":2743,"heading":2744,"fact":2745,"text":2746,"clip":2747},"stop-arrival","Arrival","Reception and showroom","Offices and factory at one address","Meet the team that handles your enquiry, then walk straight onto the production floor.",{"url":2748,"mimeType":2692,"width":2693,"height":2694,"poster":2749},"\u002Fvideos\u002Fcompany\u002Fline-arrival.mp4",{"id":2750,"url":2751,"alt":2752,"width":2693,"height":2694,"mimeType":2179},"media-facility-line-arrival-poster","\u002Fimages\u002Fcompany\u002Ffacility\u002Fline-arrival-poster.webp","Eranntex name wall in the reception area",{"id":2754,"label":2755,"heading":2756,"fact":2757,"text":2758,"clip":2759},"stop-engineering","Engineering","Electronics and enclosure design","In-house R&D since 2013","We design and debug circuit boards and instrument housings here, right next to the lines that build them.",{"url":2760,"mimeType":2692,"width":2693,"height":2694,"poster":2761},"\u002Fvideos\u002Fcompany\u002Fline-engineering.mp4",{"id":2762,"url":2763,"alt":2764,"width":2693,"height":2694,"mimeType":2179},"media-facility-line-engineering-poster","\u002Fimages\u002Fcompany\u002Ffacility\u002Fline-engineering-poster.webp","Engineer reviewing a circuit board layout on screen",{"id":2766,"label":2767,"heading":2768,"fact":2769,"text":2770,"clip":2771},"stop-production","Production","Assembly and bench testing","12 lines · 500 units a day","Portable and fixed gas detectors are assembled, powered up and checked on the bench.",{"url":2772,"mimeType":2692,"width":2693,"height":2694,"poster":2773},"\u002Fvideos\u002Fcompany\u002Fline-production.mp4",{"id":2774,"url":2775,"alt":2776,"width":2693,"height":2694,"mimeType":2179},"media-facility-line-production-poster","\u002Fimages\u002Fcompany\u002Ffacility\u002Fline-production-poster.webp","Portable gas detectors being checked on an assembly bench",{"id":2778,"label":2779,"heading":2780,"fact":2781,"text":2782,"clip":2783},"stop-calibration","Calibration","Calibration with test gas","Dedicated calibration area","Instruments are calibrated under extraction hoods using cylinder gas, and environmental tests run in a temperature and humidity chamber.",{"url":2784,"mimeType":2692,"width":2693,"height":2694,"poster":2785},"\u002Fvideos\u002Fcompany\u002Fline-calibration.mp4",{"id":2786,"url":2787,"alt":2788,"width":2693,"height":2694,"mimeType":2179},"media-facility-line-calibration-poster","\u002Fimages\u002Fcompany\u002Ffacility\u002Fline-calibration-poster.webp","Staff working at the calibration hoods",{"id":2790,"label":2791,"heading":2792,"fact":2793,"text":2794,"clip":2795},"stop-shipment","Shipment","Stock and dispatch","On-site warehouse","Finished batches are staged, packed and stored on site until they ship.",{"url":2796,"mimeType":2692,"width":2693,"height":2694,"poster":2797},"\u002Fvideos\u002Fcompany\u002Fline-shipment.mp4",{"id":2798,"url":2799,"alt":2800,"width":2693,"height":2694,"mimeType":2179},"media-facility-line-shipment-poster","\u002Fimages\u002Fcompany\u002Ffacility\u002Fline-shipment-poster.webp","Packed cartons stacked in the warehouse",{"heading":2802,"text":2803},"Next stop: your visit","See it all in a single morning, with time to test samples against your own requirements.",[2805,2807,2809,2812,2815],{"area":2806,"label":2755,"fact":2757},"development",{"area":2808,"label":2767,"fact":2769},"production",{"area":2810,"label":2811,"fact":2781},"testing","Calibration & testing",{"area":2813,"label":2814,"fact":2793},"shipment","Stock & shipment",{"area":2816,"label":2817,"fact":2745},"site","Offices & people",[2819,2822,2825,2831,2837,2844,2850,2856,2863,2869,2876,2882,2889,2895,2901,2907,2913],{"area":2816,"media":2820,"caption":2821},{"id":2671,"url":2672,"alt":2673,"width":2674,"height":2675,"mimeType":2179},"Reception, where we welcome visitors.",{"area":2808,"media":2823,"caption":2824},{"id":2685,"url":2686,"alt":2687,"width":2688,"height":2689,"mimeType":2179},"Production floor, March 2026.",{"area":2810,"media":2826,"caption":2830},{"id":2827,"url":2828,"alt":2829,"width":2674,"height":2675,"mimeType":2179},"media-facility-gas-blending-system","\u002Fimages\u002Fcompany\u002Ffacility\u002Fgas-blending-system.webp","Front panel of a GDS-D4 four-component dynamic gas blending system","Four-component gas blending system for calibration.",{"area":2808,"media":2832,"caption":2836},{"id":2833,"url":2834,"alt":2835,"width":2674,"height":2675,"mimeType":2179},"media-facility-fixed-detector-assembly","\u002Fimages\u002Fcompany\u002Ffacility\u002Ffixed-detector-assembly.webp","Fixed gas detector housings on assembly carts beside a production line","Fixed gas detectors in assembly.",{"area":2806,"media":2838,"caption":2843},{"id":2839,"url":2840,"alt":2841,"width":2674,"height":2842,"mimeType":2179},"media-facility-powered-board-racks","\u002Fimages\u002Fcompany\u002Ffacility\u002Fpowered-board-racks.webp","Rows of powered detector circuit boards with lit displays on a test rack",1066,"Circuit boards running on a test rack.",{"area":2810,"media":2845,"caption":2849},{"id":2846,"url":2847,"alt":2848,"width":2674,"height":2842,"mimeType":2179},"media-facility-environmental-chamber","\u002Fimages\u002Fcompany\u002Ffacility\u002Fenvironmental-chamber.webp","Engineer recording readings at a temperature and humidity test chamber","Temperature and humidity test chamber.",{"area":2813,"media":2851,"caption":2855},{"id":2852,"url":2853,"alt":2854,"width":2674,"height":2675,"mimeType":2179},"media-facility-fixed-detector-batch","\u002Fimages\u002Fcompany\u002Ffacility\u002Ffixed-detector-batch.webp","Rows of fixed gas detector housings staged on a bench","A batch of fixed detector housings.",{"area":2816,"media":2857,"caption":2862},{"id":2858,"url":2859,"alt":2860,"width":2688,"height":2861,"mimeType":2179},"media-facility-team","\u002Fimages\u002Fcompany\u002Ffacility\u002Fteam.webp","Eranntex staff group photograph in front of the company name wall",864,"The Eranntex team in Shenzhen.",{"area":2810,"media":2864,"caption":2868},{"id":2865,"url":2866,"alt":2867,"width":2674,"height":2842,"mimeType":2179},"media-facility-analyzer-system-test","\u002Fimages\u002Fcompany\u002Ffacility\u002Fanalyzer-system-test.webp","Two engineers checking an analyzer cabinet at a test station","Engineers checking an analyzer cabinet.",{"area":2806,"media":2870,"caption":2875},{"id":2871,"url":2872,"alt":2873,"width":2674,"height":2874,"mimeType":2179},"media-facility-circuit-debugging","\u002Fimages\u002Fcompany\u002Ffacility\u002Fcircuit-debugging.webp","Two engineers debugging a circuit board with an oscilloscope",1126,"Debugging a circuit board.",{"area":2813,"media":2877,"caption":2881},{"id":2878,"url":2879,"alt":2880,"width":2674,"height":2675,"mimeType":2179},"media-facility-warehouse","\u002Fimages\u002Fcompany\u002Ffacility\u002Fwarehouse.webp","Wall of packed cartons in the on-site warehouse","Packed cartons in the warehouse.",{"area":2816,"media":2883,"caption":2888},{"id":2884,"url":2885,"alt":2886,"width":2674,"height":2887,"mimeType":2179},"media-facility-certificate-wall","\u002Fimages\u002Fcompany\u002Ffacility\u002Fcertificate-wall.webp","Showroom shelves holding company certificates and instruments under the Eranntex name",1046,"Certificates on display in the showroom.",{"area":2808,"media":2890,"caption":2894},{"id":2891,"url":2892,"alt":2893,"width":2674,"height":2675,"mimeType":2179},"media-facility-portable-detector-line","\u002Fimages\u002Fcompany\u002Ffacility\u002Fportable-detector-line.webp","Portable gas detectors laid out on a production line bench","Portable detectors on the production line.",{"area":2810,"media":2896,"caption":2900},{"id":2897,"url":2898,"alt":2899,"width":2674,"height":2675,"mimeType":2179},"media-facility-calibration-area","\u002Fimages\u002Fcompany\u002Ffacility\u002Fcalibration-area.webp","Calibration area with a row of extraction hoods and test gas cylinders","The calibration area.",{"area":2813,"media":2902,"caption":2906},{"id":2903,"url":2904,"alt":2905,"width":2674,"height":2675,"mimeType":2179},"media-facility-finished-batch","\u002Fimages\u002Fcompany\u002Ffacility\u002Ffinished-batch.webp","Carts holding a batch of finished portable gas detectors","A batch of finished portable detectors.",{"area":2816,"media":2908,"caption":2912},{"id":2909,"url":2910,"alt":2911,"width":2674,"height":2842,"mimeType":2179},"media-facility-sales-office","\u002Fimages\u002Fcompany\u002Ffacility\u002Fsales-office.webp","Open-plan office where the sales and support teams work","Sales and support office.",{"area":2816,"media":2914,"caption":2918},{"id":2915,"url":2916,"alt":2917,"width":2674,"height":2842,"mimeType":2179},"media-facility-recognition-plaques","\u002Fimages\u002Fcompany\u002Ffacility\u002Frecognition-plaques.webp","Six recognition plaques mounted on the showroom wall","Recognition plaques in the showroom.",{"heading":2920,"backdrop":2921,"letter":2922,"host":2926,"agendaHeading":2933,"agenda":2934,"agendaNote":2963,"prepared":2964,"travel":2969,"formHeading":2989,"formIntro":2990,"interests":2991,"needs":2996,"visitMessage":3002,"videoTourMessage":3003},"Come and see it for yourself",{"id":2671,"url":2672,"alt":2673,"width":2674,"height":2675,"mimeType":2179},[2923,2924,2925],"Documents and videos only tell part of the story. When you choose a supplier of gas detection equipment, it helps to see the production lines, watch an instrument being calibrated and meet the engineers who will support your project.","We welcome buyers to our factory in Shenzhen. Tell us what you need to see, and my team will plan the day around it, from the airport to your last question.","I look forward to meeting you.",{"name":2927,"title":2928,"organization":2530,"portrait":2929},"Cui Dian","General Manager",{"id":2930,"url":2931,"alt":2932,"width":2178,"height":2367,"mimeType":2179},"media-facility-general-manager-cui","\u002Fimages\u002Fcompany\u002Ffacility\u002Fgeneral-manager-cui.webp","Cui Dian, General Manager of Shenzhen Eranntex Electronics Co., Ltd.","Your day, planned around your agenda",[2935,2939,2943,2947,2951,2955,2959],{"id":2936,"heading":2937,"text":2938},"agenda-pickup","Airport pickup","From Shenzhen Bao'an International Airport, about 13 km away.",{"id":2940,"heading":2941,"text":2942},"agenda-briefing","Welcome and briefing","In our meeting room, with English documentation and brochures ready.",{"id":2944,"heading":2945,"text":2946},"agenda-lines","Production line tour","See assembly and bench testing up close.",{"id":2948,"heading":2949,"text":2950},"agenda-calibration","Calibration demonstration","Watch an instrument being calibrated with calibration gas.",{"id":2952,"heading":2953,"text":2954},"agenda-samples","Sample testing","We test product samples against your requirements.",{"id":2956,"heading":2957,"text":2958},"agenda-lunch","Lunch","A chance to talk through your project.",{"id":2960,"heading":2961,"text":2962},"agenda-return","Return to the airport","Or on to your next meeting.","Pick what matters to you, and we will take care of the rest.",[2965,2966,2967,2968],"Meeting room","English documentation","Product samples","Brochures",[2970,2977,2981,2985],{"id":2971,"heading":2972,"text":2973,"figure":2974},"travel-szx","From Shenzhen Bao'an Airport (SZX)","by road to the factory, and we can pick you up",{"value":2975,"unit":2976},13,"km",{"id":2978,"heading":2979,"text":2980},"travel-hk","Arriving via Hong Kong","Let us know how you are crossing into Shenzhen and we will plan the transfer with you.",{"id":2982,"heading":2983,"text":2984},"travel-visa","Business visa","We will send you a business invitation letter once your visit is confirmed.",{"id":2986,"heading":2987,"text":2988},"travel-video","Can't travel?","Take a live video tour of the factory over WhatsApp.","Request your visit","We will reply by email to confirm the date and plan the day with you.",[2992,2993,2994,2995,2949,2953],"Portable gas detectors","Fixed gas detectors","Controllers and systems","Gas analyzers",[2997,2999],{"id":2998,"label":2937},"pickup",{"id":3000,"label":3001},"visa","Business visa invitation letter","Hello, I would like to arrange a visit to the Eranntex factory in Shenzhen.","Hello, I would like to book a live video tour of the Eranntex factory.",{"title":3005,"description":3006},"Eranntex Gas Detector Factory in Shenzhen","See the Eranntex gas detector factory in Shenzhen: 12 production lines, a calibration area and an on-site warehouse. Watch the supplier verification video or arrange a visit.",{"title":3008,"description":3009},"About Eranntex Industrial Gas Detection","See Eranntex gas detection equipment, Shenzhen manufacturing origin, product development history and company qualifications for supplier review.",{"market":315,"locale":316,"publication":3011,"displayName":3012,"intro":3013,"mission":3014,"values":3015,"valuesStatement":3020,"portfolioSummary":3021,"overviewSections":3022,"operatingModel":3038,"qualityIntro":3059,"heroMedia":3060,"storyMedia":3062,"manufacturing":3064,"history":3290,"contact":3307,"seo":3323},{"status":552,"indexable":10},"关于逸云天","逸云天（Eranntex）面向国际工业项目提供便携式与固定式气体检测仪、气体分析设备与监测系统。Shenzhen Eranntex Electronics Co., Ltd. 与深圳市逸云天电子有限公司（Shenzhen Yiyuntian Electronics Co., Ltd.）为同一法人的正式名称，分别对应国际询价与深圳制造。","保护所有人的健康和工作环境的安全",[3016,3017,3018,3019],"诚信","创新","专业","品质","可信赖的安全伙伴","产品范围涵盖个人与便携式检测仪、固定式变送器、气体报警控制器、过程气体分析仪与样气处理设备。具体型号的参数与证书适用范围，应结合目标监测任务核对。",[3023,3028,3033],{"id":2570,"heading":3024,"paragraphs":3025},"深圳的气体检测设备",[3026,3027],"深圳市逸云天电子有限公司成立于 2006 年，从事气体检测与分析设备的研发、制造与支持。","Eranntex 品牌于 2014 年设立，把这份工业气体检测经验带入国际市场。",{"id":2576,"heading":3029,"paragraphs":3030},"设备设计、制造与项目评审",[3031,3032],"产品开发与制造覆盖便携式与固定式气体检测、气体分析、样气处理与在线监测设备。","项目评审的有效起点是：目标气体与量程、需同时监测的气体数量、运行条件、采样配置、所需输出与文件。",{"id":2582,"heading":3034,"paragraphs":3035},"从技术询价到明确范围",[3036,3037],"技术询价可对照型号能力、可选配置、安装接口与买方所需文件进行评审。","任何报价或项目范围都应指明：哪些已确认、哪些取决于所选配置、哪些仍待核对。",[3039,3043,3047,3051,3055],{"id":2589,"heading":3040,"paragraphs":3041},"应用与现场条件",[3042],"记录监测任务、目标气体与量程、位置、环境条件，以及项目提供的任何区域划分。",{"id":2594,"heading":3044,"paragraphs":3045},"测量与采样",[3046],"按需同时监测的气体数量、采样方式与响应条件，比较便携式、固定式与在线方案。",{"id":2599,"heading":3048,"paragraphs":3049},"配置与接口",[3050],"将型号级气体选项与任何已确认的可订购配置分开核查；固定式系统还需记录供电、信号、报警与控制器接口。",{"id":2604,"heading":3052,"paragraphs":3053},"文件与项目范围",[3054],"将所需手册、图纸、声明与证书对应到确切型号或配置；在项目范围中界定安装与调试责任。",{"id":2609,"heading":3056,"paragraphs":3057},"运行与服务规划",[3058],"在交接前明确标定、维护、备件与培训需求，并确认目的地市场可获得的支持安排。","核查供应商资质时，可在各条记录中查看证载主体、发证信息和有效期。",{"id":2671,"url":2672,"alt":3061,"width":2674,"height":2675,"mimeType":2179},"逸云天前台，背景为 Eranntex 与逸云天名称墙",{"id":2677,"url":926,"alt":3063,"width":544,"height":545,"mimeType":546},"安全技术人员用气体检测仪检查工业工艺设备",{"displayName":3065,"eyebrow":3066,"h1":3067,"intro":3068,"heroMedia":3069,"heroClip":3071,"facts":3074,"video":3085,"routeHeading":3099,"routeIntro":3100,"route":3101,"routeFinale":3142,"galleryAreas":3145,"gallery":3153,"invitation":3220,"seo":3287},"制造与工厂参观","深圳工厂 · 始于 2006 年","看看您的气体检测仪在哪里制造","12 条生产线、标定区和工程团队，都在深圳同一个厂区。欢迎实地参观，也可以通过视频连线参观。",{"id":2685,"url":2686,"alt":3070,"width":2688,"height":2689,"mimeType":2179},"逸云天生产车间，装配工位与正在工作的员工，2026 年 3 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