英国CITY氢气传感器4HYT检测模块 电化学
电池间氢气检测器的原理
电池间氢气检测器的原理
电池间氢气检测器是一种用于检测电池室内氢气浓度的仪器。
其原理是利用气体传感器对氢气浓度进行检测。
当电池内部出现问题导致产生氢气时，气体传感器就会感应到氢气浓度的变化并将信号发送给控制系统。
气体传感器通常采用化学反应和物理吸附两种不同的原理进行氢气检测。
其中，化学反应型气体传感器是通过将氢气与其他化学物质进行反应，产生电化学反应或化学酸碱反应等，使传感器的电阻或电势发生变化来检测氢气浓度。
物理吸附型气体传感器则是利用吸附剂来吸附氢气并改变传感器的电性质。
电池间氢气检测器通常需要连接到警报系统或控制系统中，一旦检测到氢气浓度超过安全范围，就会触发警报或采取其他安全措施，以保障人员和设备的安全。
氢燃料电池系统中的泄漏探测技术研究
氢燃料电池系统中的泄漏探测技术研究近年来，随着氢能源的逐渐成为替代能源的热门选择，氢燃料电池技术备受关注。
然而，在氢燃料电池系统的运行过程中，由于氢具有低密度、高温度和高能量等特性，系统泄漏的风险也随之增加。
因此，如何及时准确地检测氢燃料电池系统中的泄漏，成为了当前燃料电池技术研究的热点问题之一。
氢燃料电池系统中的泄漏探测技术，是指通过各种方法和手段对氢燃料电池系统中可能存在的泄漏进行监测和检测。
泄漏探测技术的研究和应用，不仅可以保障氢燃料电池系统的安全运行，还可以提高系统的效率和性能，同时也对氢能源产业的发展起到积极的促进作用。
目前，国内外学者对氢燃料电池系统中的泄漏探测技术做了大量的研究工作。
其中，最常见的泄漏探测技术包括传感器技术、红外成像技术、超声波技术等。
这些技术各有特点和优势，在不同的应用场景和需求下都能够发挥作用。
然而，随着氢能源技术的不断发展和完善，对氢燃料电池系统中泄漏探测技术的要求也日益提高，需要进一步深入研究和改进。
基于以上背景，本文将重点围绕氢燃料电池系统中的泄漏探测技术展开深入研究。
首先，将分析氢燃料电池系统泄漏的原因和危害，探讨泄漏探测技术在系统中的重要性和必要性。
其次，将介绍当前常见的泄漏探测技术，并分析其优缺点和适用范围。
然后，将重点讨论氢燃料电池系统中泄漏探测技术的研究进展和应用现状。
最后，将展望未来氢燃料电池系统中泄漏探测技术的发展趋势和挑战，提出未来研究的方向和建议，为我国氢能源产业的发展提供参考和借鉴。
氢燃料电池系统中的泄漏问题一旦发生，可能会导致火灾、爆炸等严重事故，给人们的生命财产带来巨大的危害。
因此，及时准确地监测和检测系统中可能存在的泄漏，对保障系统的安全运行至关重要。
泄漏探测技术作为防范和控制泄漏的重要手段，一直备受关注。
在氢燃料电池系统中，泄漏的原因主要有两个方面：一是系统本身设备的设计和制造问题，例如密封不良、管道受损等；二是系统运行过程中的外力因素影响，例如振动、高温引起的膨胀等。
英国CITY城市技术电化学氨气传感器NH3 3E 100
Ammonia 1R e v . 11/2011Sensoric NH3 3E 100地 址：深圳市龙华新区民治大道牛栏前大厦Ｃ５０７ 邮箱：ｓｉｎｇｏａｎ＠１６３．ｃｏｍ 联络人：蒋小姐 １３４ ２８７６ ２６３１ 电话：０７５５－８５２５ ８９００ 传真：０７５５－８５２５ ８９０３ 网 址： ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ．ｃｎ ｗｗｗ．ｓｈｅｎｇｕｏａｎ．ｃｏｍ 深圳市深国安电子科技有限公司Sensoric NH3 3E 100FEATURESAmperometric 3 electrode sensor cell Fixed organic gel electrolyte No CO2 interference 0 volt bias operation TYPICAL APPLICATIONSTLV-monitoring, leakage detectionFixed point applications in cold storages & refrigeration plants only Sensoric deems the data contained herein as factual,and the opinions expressed are those of qualified experts based on the results of tests conducted.The above data can not be used as a warranty provision or representation for which Sensoric assumes legal responsibility.The data are offered solely for consideration,investigation and verification.Any use of this information is subject to federal,state and local laws and regulations.2R e v . 11/2011For other applications please use NH3 3E SE versions No background concentrations of ammonia & alcohols*Note:•Background concentrations of ammonia and alcohols might shorten life time of sensor •Exposure to high concentrations of alcohols can cause a high loss of sensor sensitivityPART NUMBER INFORMATION MINI1845-031-30009SENSORIC CLASSIC 1845-031-30069CTL 4 series adaptation 1845-031-30049CTL 7 series adaptation1845-031-30079地 址：深圳市龙华新区民治大道牛栏前大厦Ｃ５０７ 邮箱：ｓｉｎｇｏａｎ＠１６３．ｃｏｍ 联络人：蒋小姐 １３４ ２８７６ ２６３１ 电话：０７５５－８５２５ ８９００ 传真：０７５５－８５２５ ８９０３ 网 址： ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ．ｃｎ ｗｗｗ．ｓｈｅｎｇｕｏａｎ．ｃｏｍ 深圳市深国安电子科技有限公司TECHNICAL SPECIFICATIONSMeasuring Range 0–100 ppmSensitivity Range 90 nA/ppm ±40 nA/ppm Zero Current at 20°C <±150 nA Resolution at 20°C <2 ppmBias Potential 0 mVLinearity<5% full scaleResponse Time at 20°Ct50<20 s calculated from 5 min. exposure time Sensoric NH3 3E 100Sensoric deems the data contained herein as factual,and the opinions expressed are those of qualified experts based on the results of tests conducted.The above data can not be used as a warranty provision or representation for which Sensoric assumes legal responsibility.The data are offered solely for consideration,investigation and verification.Any use of this information is subject to federal,state and local laws and regulations.3R e v . 11/2011t90<120 s calculated from 5 min. exposure timeLong Term Sensitivity Drift <10% per 6 monthsOperation Conditions Temperature Range -40°C to +40°CHumidity Range 15–90% r.H, non–condensingEffect of Humidityan abrupt change of r.H. will cause a short term drift of zero readingSensor Life Expectancy > 18 months in air Warranty 12 months地 址：深圳市龙华新区民治大道牛栏前大厦Ｃ５０７ 邮箱：ｓｉｎｇｏａｎ＠１６３．ｃｏｍ 联络人：蒋小姐 １３４ ２８７６ ２６３１ 电话：０７５５－８５２５ ８９００ 传真：０７５５－８５２５ ８９０３ 网 址： ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ．ｃｎ ｗｗｗ．ｓｈｅｎｇｕｏａｎ．ｃｏｍ 深圳市深国安电子科技有限公司Sensoric NH3 3E 100Sensoric deems the data contained herein as factual,and the opinions expressed are those of qualified experts based on the results of tests conducted.The above data can not be used as a warranty provision or representation for which Sensoric assumes legal responsibility.The data are offered solely for consideration,investigation and verification.Any use of this information is subject to federal,state and local laws and regulations.4R e v . 11/201地 址：深圳市龙华新区民治大道牛栏前大厦Ｃ５０７ 邮箱：ｓｉｎｇｏａｎ＠１６３．ｃｏｍ 联络人：蒋小姐 １３４ ２８７６ ２６３１ 电话：０７５５－８５２５ ８９００ 传真：０７５５－８５２５ ８９０３ 深圳市深国安电子科技有限公司Sensoric NH3 3E 100Sensoric deems the data contained herein as factual,and the opinions expressed are those of qualified experts based on the results of tests conducted.The above data can not be used as a warranty provision or representation for which Sensoric assumes legal responsibility.The data are offered solely for consideration,investigation and verification.Any use of this information is subject to federal,state and local laws and regulations.5R e v . 11/201地 址：深圳市龙华新区民治大道牛栏前大厦Ｃ５０７ 邮箱：ｓｉｎｇｏａｎ＠１６３．ｃｏｍ 联络人：蒋小姐 １３４ ２８７６ ２６３１ 电话：０７５５－８５２５ ８９００ 传真：０７５５－８５２５ ８９０３ 深圳市深国安电子科技有限公司CROSS SENSITIVITIES AT 20°C GasConcentration Reading [ppm]Alcohols1000 ppm yes / n.d.Carbon Monoxide 100 ppm 40Chlorine1 ppm -6Nitrogen Dioxide 10 ppm -15Sulfur Dioxide 20 ppm yes / n.d.Sensoric NH3 3E 100Sensoric deems the data contained herein as factual,and the opinions expressed are those of qualified experts based on the results of tests conducted.The above data can not be used as a warranty provision or representation for which Sensoric assumes legal responsibility.The data are offered solely for consideration,investigation and verification.Any use of this information is subject to federal,state and local laws and regulations.6R e v . 11/2011Notes:1.Interference factors may differ from sensor to sensor and with life time. It is not advisable to calibrate with interference gases if not otherwise stated2.This table does not claim to be complete. The sensor might also be sensitive to other gasesHydrogen10000 ppm1000Hydrogen Sulfide20 ppm25地 址：深圳市龙华新区民治大道牛栏前大厦Ｃ５０７ 邮箱：ｓｉｎｇｏａｎ＠１６３．ｃｏｍ 联络人：蒋小姐 １３４ ２８７６ ２６３１ 电话：０７５５－８５２５ ８９００ 传真：０７５５－８５２５ ８９０３ 网 址： ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ．ｃｎ ｗｗｗ．ｓｈｅｎｇｕｏａｎ．ｃｏｍ 深圳市深国安电子科技有限公司Safety NoteThis sensor is designed to be used in safety critical applications. To ensure that the sensorand/or instrument in which it is used, are operating properly, it is a requirement that the function of the device is confirmed by exposure to target gas (bump check) before each use of the sensor and/or instrument. Failure to carry out such tests may jeopardize the safety of people and property .AttentionSensoric deems the data contained herein as factual,and the opinions expressed are those of qualified experts based on the results of tests conducted.The above data can not be used as a warranty provision or representation for which Sensoric assumes legal responsibility.The data are offered solely for consideration,investigation and verification.Any use of this information is subject to federal,state and local laws and regulations.7R e v . 11/2011Use of the Sensoric range sensors requires complete understanding of the instructions. Before using Sensoric range sensors please carefully read ‘Application Notes’ which can be found at under the heading ‘Support’ -> ‘Application Notes’-> ‘Sensoric’Product Safety Data Sheets (PSDS) can be obtained at under the heading ‘Support’ -> ‘Product Safety Datasheets’For further assistance on sensor selection and use, please contact a member of the Technical Sales team.地 址：深圳市龙华新区民治大道牛栏前大厦Ｃ５０７ 邮箱：ｓｉｎｇｏａｎ＠１６３．ｃｏｍ 联络人：蒋小姐 １３４ ２８７６ ２６３１ 电话：０７５５－８５２５ ８９００ 传真：０７５５－８５２５ ８９０３ 网 址： ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ．ｃｎ ｗｗｗ．ｓｈｅｎｇｕｏａｎ．ｃｏｍ 深圳市深国安电子科技有限公司。
氢气检测仪的那些优势介绍
氢气检测仪的那些优势介绍随着氢能源的迅猛发展，氢气检测仪逐渐成为一个重要的工具。
氢气检测仪能够帮助人们检测氢气的浓度，确保氢气的安全使用。
本文将介绍氢气检测仪的优势及其相关信息。
什么是氢气检测仪？氢气检测仪是一种专门用于检测氢气浓度的设备。
它使用传感器测量氢气的浓度，并根据设置的警戒阈值发出警报。
氢气检测仪通常被广泛应用于氢能源车辆、氢能源供应系统等场合。
氢气检测仪的功能氢气检测仪主要用于检测氢气的浓度，从而确保氢气的安全使用。
此外，它还具有以下功能：•可以及时发现氢气泄漏，从而避免氢气泄漏引发危险事件；•可以监测氢气的浓度，确保氢气的质量和使用效果；•可以及时发出警报，提醒人们进行应急处理；•可以对氢气进行连续、实时的监测和记录，以便于后续分析和优化。
氢气检测仪的优势在实际应用中，氢气检测仪具有以下优势：1.灵敏度高氢气检测仪所采用的传感器具有高灵敏度，能够检测出微小的氢气泄漏，有效防止危险事件的发生。
2.防爆性能好氢气是一种易燃易爆的气体，如果使用不当，很容易引发爆炸事故。
氢气检测仪采用了防爆设计，可以在危险环境下正常工作，保证了使用的安全性。
3.便携式设计氢气检测仪通常是便携式设计，方便携带和使用，可以随时随地对氢气进行检测。
4.显示直观氢气检测仪通过LED显示屏直观地显示氢气的浓度信息，让使用者能够快速了解氢气环境的安全情况。
5.报警及时当氢气浓度超过预设阈值时，氢气检测仪能够发出警报，提醒用户进行应急处理，确保安全。
氢气检测仪的使用注意事项为了保障氢气检测仪的使用效果，需要注意以下事项：1.按照说明书使用在使用氢气检测仪之前，需要详细阅读使用说明书，了解氢气检测仪的使用方法和注意事项。
2.定期校准和维护氢气检测仪需要定期进行校准和维护，以确保测量精度和使用稳定性。
3.避免受到干扰在使用氢气检测仪的过程中，需要避免干扰因素的影响，如其他气体的干扰等。
结语氢气检测仪是保障氢能源的安全使用的重要装置。
城市技术EZT3HYE 氢气检测模块0-40000PPM
EZT3HYE CiTiceL ®Technical Specifications3HYENone4-20 mA d.c., two wireloop powered<70 Seconds at 20°C10 ppm< -150 ppm equivalent2% of signalLinear Product DimensionsAll dimensions in mmAll tolerances ±0.15 mm unless otherwise statedIMPORTANT NOTE:All performance data is based on conditions at 20°C, 50% RH and 1013 mBar. For further information on the operation and calibration of City Technology EasyCal 4-20mA transmitters, please refer to OP-13.Hydrogen (H 2) Gas Sensor with EasyCal TransmitterMEASUREMENTSensor Type Used Filter Output Response Time (T 90)Resolution Zero Shift (-20°C to +40°C)Repeatability Linearity 10 - 35 VDC single-endedVia built-in push buttonsELECTRICALPower Supply Required Calibration Via mounting nose supplied58 g including mounting accessoryNoneMECHANICALMounting Weight Position Sensitivty -20°C to +50°C 0°C to 20°C NoneAtmospheric ± 10%0.006% signal/mBar15 - 90% RH non-condensingENVIRONMENTALOperating Temperature Range Recommended Storage Temp Temperature Compensation Operating Pressure RangePressure Coefficient Operating Humidity Range<2% signal loss/month Two years in air6 months in CTL container12 months from date of despatchLIFETIMELong Term Sensitivity Drift Expected Operating LifeStorage LifeStandard WarrantyKey Features & Benefits:• Robust 3-Series packaging• Industry standard 4-20 mA outputRANGES AVAILABLEThe 3HYE CiTiceL 4-20 mA EasyCal Transmitter is available with oneprecalibrated range, but can be recalibratedto intermediate ranges.Range Order Code 0-20,000 ppm2TE2O-1APoisoningCiTiceLs are designed for operation in a wide range of environments and harsh conditions. However, it is important that exposure to high concentrations of solvent vapours is avoided, both during storage, fitting into instruments and operation.When using sensors with printed circuit boards (PCBs), degreasing agents should be used before the sensor is fitted. Do not glue directly on or near the CiTiceL as the solvent may cause crazing of the plastic.Cross Sensitivity TableWhilst CiTiceLs are designed to be highly specific to the gas they are intended to measure, they will still respond to some degree to various other gases. The table below is not exclusive and other gases not included in the table may still cause a sensor to react.The cross-sensitivity values quoted are based on tests conducted on a small number of sensors. They are intended to indicate sensor response to gases other than the target gas. Sensors may behave differently with changes in ambient conditions and any batch may show significant variation from the values quoted.Every effort has been made to ensure the accuracy of this document at the time of printing. In accordance with the company’s policy of continued product improvement City Technology Limited reserves the right to make product changes without notice. No liability is accepted for any consequential losses, injury or damage resulting from the use of this document or from any omissions or errors herein. The data is given for guidance only. It does not constitute a specification or an offer for sale. The products are always subject to a programme of improvement and testing which may result in some changes in the characteristics quoted. As the products may be used by the client in circumstances beyond the knowledge and control of City Technology Limited, we cannot give any warranty as to the relevance of these particulars to an application. It is the clients’ responsibility to carry out the necessary tests to determine the usefulness of the products and to ensure their safety of operation in a particular application.Performance characteristics on this data sheet outline the performance of newly supplied sensors. Output signal can drift below the lower limit over timeGasConcentration Used (ppm)3HYE (ppm H 2)Carbon Monoxide, CO 300<120Hydrogen Sulfide, H 2S 15≈10Sulfur Dioxide, SO 250Nitric Oxide, NO 35<10Nitrogen Dioxide, NO 250Chlorine, Cl 210Hydrogen Cyanide, HCN 10≈10Hydrogen Chloride, HCl 50Ethylene, C 2H 4100≈40SAFETY NOTEThis sensor is designed to be used in safety critical applications. To ensure that the sensor and/or instrument in which it is used, are operating properly, it is a requirement that the function of the device is confirmed by exposure to target gas (bump check) before each use of the sensor and/or instrument. Failure to carry out such tests may jeopardize the safety of people and property.。
氢气检测仪的那些优势介绍
氢气检测仪的那些优势介绍氢气检测仪是一款个人便携式气体检测报警仪。
它的传感器采用电化学传感器，反应灵敏，适用于在工矿企业环境空气中连续检测氧气的百分比浓度，当环境浓度偏高时，进行高限、低限声、光、震动报警，警示现场人员尽快撤离危险区域。
氢气检测仪适用于各种工业环境及特殊环境中的氢气浓度连续在线检测氢气爆炸极限、氢气微量泄漏本。
仪器采用原装进口电化学传感器和微控制器技术，信号稳定，精度高、重复性好；防爆接线方式适用于各种危险场所。
仪器兼容各种报警控制器、PLC、DCS等控制系统，可以实现远程监控，远程报警，电脑数据存储等功能。
氢气检测仪采用单片微型电脑控制器做信号处理机构，气体检测元件是采用进口的专用传感器，具有灵敏度高、工作稳定、使用寿命长、功耗低等优点。
氢气检测仪适用于燃气站、燃气泵房(站)、车间、宾馆、酒店、化工厂、冶金等液化气及有毒气体使用或贮存的场所，使用该产品能有效的避免因液化气泄漏而引起的火灾、爆炸、中毒等人身伤亡事故和财产损失。
氢气检测仪为内置泵吸式方式检测气体浓度，采用进口电化学传感器，具有极好的灵敏度和出色的重复性；氢气检测仪采用嵌入式微控制技术，菜单操作简单，功能齐全，可靠性高。
检测仪外壳采用高强度工程材料、复合弹性橡胶材料精制而成，强度高、手感好。
氢气检测仪能确保在不利操作条件中提高准确度和可靠性。
相对而言，维护并不是那么容易。
内置元件衰变补偿将校准时间间隔延长到了12个月。
由于具有典型的传感器寿命(至少两年)和三年的电池寿命，操作成本降到了较低。
用户可以轻易地替换电池和传感器。
氢气检测仪适用于检测环境空气中可燃气体的浓度，广泛使用于冶金、电厂、化工、矿井、隧道、坑道、地下管线等场所，有效地预防中毒事故的发生。
氢气检测仪采用电化学传感器。
它可以广泛应用于冶金、石油、石化、化工、轻工、焦化、市政、煤气、制药、污水处理及许多特殊行业和领域。
仪器采用本安型电路设计，4～20mA标准信号两线制输出，可远距离传输，可直接进入DCS系统,探头具有灵敏度高、反应迅速、寿命长、极化时间短等特点。
英国CITY硫化氢气体传感器4HS+H2S传感器检测探头
英国CITY硫化氢气体传感器4HS+H2S传感器检测探头4HS+ CiTiceL ?Technical Specifications3-electrode electrochemical 0-100 ppm 500 ppm None0.7 ± 0.15 μA/ppm20 Seconds at 20O C < ±0.5 ppm equivalent <±0.4 ppm equivalent< ±5%Linear <±5%Product DimensionsAll dimensions in mm All tolerances ±0.15mm unless othewise statedIMPORTANT NOTE: All performance data is based on conditions at 20°C, 50%RH and 1013mBar,using City Technology recommended circuitry. For sensor performance data under other conditions,refer to the Characterisation Note and Technical Note.Hydrogen Sulfide (H 2S) Gas SensorPart Number: 2112B2025MEASUREMENTOperating Principle Measurement Range Maximum Overload Filter Sensitivity Response Time (T 90)Baseline Offset (clean air)Zero Shift (-40°C to +50°C)Repeatability Linearity 5 ΩNot requiredELECTRICALRecommended Load Resistor Bias Voltage Noryl 1105g (approx.)AnyMECHANICALHousing Material Weight Orientation Portable life safety-20°C to +40°C -40°C to +55°C1 atm ± 10%15% to 90% RH non-condensingENVIRONMENTALTypical Applications Operating Temperature Range:Continuous Intermittent Operating Pressure Range Operating Humidity Range:Continuous 0.5 mA 0.8 V <1.0 AINTRINSIC SAFETY DATAMaximum at 500ppm Maximum o/c Voltage Maximum s/c Current < 20% per annum10°C to +30°C2 years in air6 months in sealed container18 months from date of despatchLIFETIMELong T erm Output Drift Recommended Storage T emp Expected Operating Life Storage Life Standard Warranty Key Features & Benefits:Industry leading reliabilityImproved performance variabilityEvery effort has been made to ensure the accuracy of this document at the time of printing. In accordance with the company’s policy of continued product improvement City Technology Limited reserves the right to make product changes without notice. No liability is accepted for any consequential losses, injury or damage resulting from the use of this document or from any omissions or errors herein. The data is given for guidance only. It does not constitute a specification or an offer for sale. The products are always subject to a programme of improvement and testing which may result in some changes in the characteristics quoted. As the products may be used by the client in circumstances beyond the knowledge and control of City Technology Limited, we cannot give any warranty as to therelevance of these particulars to an application. It is the clients’ responsibility to carry out the necessary tests to determine the usefulness of the products and to ensure their safety of operation in a particular application.Performance characteristics on this data sheet outline the performance of newly supplied sensors. Output signal can drift below the lower limit over time.PoisoningCiTiceLs are designed for operation in a wide range of environments and harsh conditions. However, it is important that exposure to high concentrations of solvent vapours is avoided, both during storage, fitting into instruments, and operation.When using sensors with printed circuit boards (PCBs), degreasing agents should be used before the sensor is fitted. Do not glue directly on or near the CiTiceL as the solvent may cause crazing of the plastic.Cross Sensitivity TableWhilst CiTiceLs are designed to be highly specific to the gas they are intended to measure, they will still respond to some degree to various gases. The table below is not exclusive and other gases not included in the table may still cause a sensor to react.The cross-sensitivity values quoted are based on tests conducted on a small number of sensors. They are intended to indicate sensor response to gases other than the target gas. Sensors may behave differently with changes in ambient conditions and any batch may show significant variation from the values quoted.WARNING: By the nature of the technology used, any electrochemical or catalytic bead sensor can potentially fail tomeet specification without warning. Although City Technology makes every effort to ensure the reliability of our products of this type, where life safety is a performance requirement of the product, and where practical we recommend that all sensors and instruments using these sensors are checked for response to gas before use.GasConcentration Used (ppm)Reading (ppm H2S)Carbon Monoxide 100<2Sulphur Dioxide 20Nitrogen Dioxide 30Nitric Oxide 250Chlorine 0.50Ethylene 1000Carbon Dioxide 50000Ammonia50。
工业科学 维斯特 m x4 多气体监测器 产品手册说明书
1Multi-gas Monitor产品手册设 置操 作 维 护部件号：版本复合式气体检测报警器珠海司福斯特科技有限w w w .sa f e d t e c h .c o m气体/火焰检测专家！Ventis ™ MX4 产品手册目录版权声明 (3)警告及注意事项 (3)常规 ......................................................................................................................................................................... 3 人员 ........................................................................................................................................................................ 3 危险情况、毒物和污染物 ........................................................................................................................................ 3 一般用法.................................................................................................................................................................. 3 监管机构发布的使用条件与警告 .............................................................................................................................. 4 建议做法 .. (4)VENTIS MX4™ 资源 (6)VENTIS MX4 功能 (6)仪器拆箱 (7)箱内部件.................................................................................................................................................................. 7 反馈问题 .. (7)监测仪概述 (8)特点与功能 .............................................................................................................................................................. 8 显示屏幕.................................................................................................................................................................. 9 警报 .. (11)监测仪设置 ................................................................................................................................................................... 13 电池特性和监测仪兼容性 ...................................................................................................................................... 13 充电锂离子电池盒 (14)说明................................................................................................................................................................ 14 开机和关机 ............................................................................................................................................................ 16 配置 .. (17)介绍................................................................................................................................................................ 17 说明................................................................................................................................................................ 17 配置过程 .. (18)监测仪使用和维护 (25)调零、标定和通气测试 (25)程序................................................................................................................................................................ 25 建议................................................................................................................................................................ 25 一般信息. (26)说明 ............................................................................................................................................................... 26 现场空气采样建议做法 ......................................................................................................................................... 33 清洁 ...................................................................................................................................................................... 33 维护 .. (33)电池盒 ............................................................................................................................................................ 33 监测仪转换 ..................................................................................................................................................... 37 传感器、传感器防水膜、LCD 和振动电机更换 .............................................................................................. 39 泵模块 ............................................................................................................................................................ 42 Ventis MX4 分解图 .. (43)产品、规格与认证 (46)Ventis MX4 配件与部件 ......................................................................................................................................... 46 监测仪规格 ............................................................................................................................................................ 48 作业条件................................................................................................................................................................ 48 储存条件................................................................................................................................................................ 49 传感器规格 ............................................................................................................................................................ 49 有毒气体传感器 交叉灵敏度表 .............................................................................................................................. 49 可燃性气体的LEL 及LEL 相关系数 ...................................................................................................................... 50 认证 .. (51)质保 .............................................................................................................................................................................. 53 责任限定. (53)英思科公司全球办事处 .............................................................................................................................................. 封底珠海司福斯特科技有限w w w .sa f e d t e c h .c o m气体/火焰检测专家！Ventis™ MX4 产品手册►版权声明Ventis MX4™ 和Ventis™ 是英思科公司的商标。
氢燃料电池模块检漏方法
氢燃料电池模块检漏方法
1. 压力测试，利用压力测试装置对氢燃料电池模块进行压力测试，检查是否有氢气泄漏。
这种方法通过增加压力并观察压力变化
来检测潜在的泄漏点。
2. 气泡检测，在氢燃料电池模块表面涂抹一层肥皂水，然后通
过加压将氢气引入，观察是否有气泡产生。
气泡的产生将指示出潜
在的泄漏点。
3. 热成像检测，利用红外热成像仪对氢燃料电池模块进行扫描，通过观察热点来检测是否有氢气泄漏。
因为氢气泄漏会导致周围温
度升高，所以热成像检测可以有效地发现泄漏点。
4. 气体检测仪，使用专门的氢气检测仪器对氢燃料电池模块进
行检测，这种方法可以精确地检测出极小的氢气泄漏，并且通常被
用于实际的生产线上。
5. 气密性测试，将氢燃料电池模块置于密闭的测试装置中，然
后通过加压或真空来检测是否有氢气泄漏。
这种方法可以模拟实际
工作条件下的氢气泄漏情况。
总的来说，对于氢燃料电池模块的检漏，最重要的是采用多种方法结合，以确保泄漏点能够被全面地检测出来。
同时，检测人员需要具备专业的知识和经验，以确保检测的准确性和安全性。
希望以上信息能够对你有所帮助。
电化学传感器工作指南及电路图
电化学传感器工作指南及电路图引言本公司有毒气体检测传感器的开发始于1981年，以一氧化碳传感器的研制为开端。
之后对各式各样新传感器都进行了开发。
直至最进开发的臭氧和氧化乙烯传感器，形成了系列的传感器产品，并以其可靠、稳定和耐用等特点斐声海内外。
此类传感器系一微型燃料电池，设计成为免维护型并且能长时间稳定工作的产品。
所采用的技术立足于己于人本公司早期氧传感器的工作基础，系直接响应气体的体积浓度变化，而不是响应其压力的变化。
该类传感器设计的最大特点是采用了气体的扩散势垒，该势垒能限制气体流向敏感电极的流星。
敏感电极能与到达电极的电化学活性仍有余裕。
这一高的电化学活性保证了传感器的长寿命和很好的温度稳定性。
两电极系统基于电化学原理工作的传感器其最简单的一种型式就是两电极系统。
其工作电极和对电极由一薄层电解液隔开并经由一个很小的电阻联通外电路。
当气体扩散进入传感器后，在敏感电极表面进行氧化或还原反应，产生电流并通过外电路流经两个电极。
该电流的大小比例于气体的浓度，可通过外电路的负荷电阻予以测量。
为了让反应能够发生，敏感电极的电位必须保持在一个特定的范围内。
但气体的浓度增加时，反应电流也增加，于是导致对电极电位改变（极化）。
由于两电极是通过一个简单的负荷电阻连接起来的，虽然敏感电极的电位也会随着对电极的电位一起变化。
如果气体的浓度不断地升高，敏感电极的电位最终有可能移出其允许范围。
至此传感器将不成线性，因此两电极气体传感器检测的上限浓度受到一定限制。
三电极系统对电极的极化所受的限制可以用引进第三电极，参考电极，和利用一外部的恒电位工作电路来予以避免。
在这样一种装置中，敏感电极曲线相对于参考电极保持一固定值。
在参考电极中无电流流过，因此这两个电极均维持在一恒定的电位。
对电极则仍然可以进行极化，但对传感器而言已不产生任何限制作用。
因此三电极传感器所能检测浓度范围要比两电极大得多。
大部分有毒气体传感器（3/4/7系列）均属三电极系统。
英国CITY传感器选型表
三氢化砷传感器
系列
气体类型
产品名称
使用寿命*
量程
产品描述
Sensoric
AsH3
AsH3 3E 1 F LT
2 years
0-1ppm
NEW 3 Electrode sensor with ionic liquid electrolyte and 200ppm hour H2S filter; available in Mini, Classic, 4-Series and 7-Series formats.
系列
气体类型
产品名称
使用寿命*
量程
产品描述
三系
HCl
3HL
空气中2年
0-100ppm
三电极传感器
三系
HCl
3MHL
空气中2年
0-100ppm
三电极传感器，带mV输出板
七系
HCl
7HL
空气中1年
0-100ppm
三电极微型传感器
Sensoric
HCl
HCl/HBr 3E 30
>2 years
0-30ppm
Sensoric
NH3
NH3 3E 100 SE
>2 years
0-100ppm
三电极传感器，有迷你型，标准型，4系和7系三种尺寸.
Sensoric
NH3
NH3 3E 1000
>18 months
0-1000ppm
三电极传感器，有机电极，有迷你型，标准型，4系和7系三种尺寸.
Sensoric
NH3
NH3 3E 1000 SE
氢气探测系统设计方案
氢气探测系统设计方案氢气探测系统设计方案氢气是一种常见的可燃气体，具有极高的爆炸性，因此对于氢气泄漏的探测具有重要意义。
本文将设计一款氢气探测系统，用于实时监测和报警，确保安全生产。
一、硬件设计1. 传感器选型：选择灵敏度较高、响应速度快、不易受到外界干扰的氢气传感器。
可以考虑使用金属氧化物半导体（Metal Oxide Semiconductor，简称MOS）传感器。
2. 控制模块选型：选用高性能的嵌入式微处理器作为控制模块，以实现数据处理、报警控制等功能。
需考虑功耗低、稳定可靠、易于编程的特点。
3. 通信模块选型：采用低功耗的无线通信模块，如ZigBee或LoRaWAN，以实现与上位机的远程通信功能。
4. 电源设计：考虑到系统需要长时间运行，可以选择使用锂电池作为主要电源，并设计合理的供电管理模块，如电池充电管理、低电压报警等。
二、软件设计1. 数据采集：通过传感器采集氢气浓度数据，并通过控制模块进行实时存储和处理。
2. 数据处理：根据所采集的数据，通过预设的算法判断氢气浓度是否超过安全阈值，如果超过则触发报警。
同时，通过历史数据分析，进行氢气泄漏的趋势预测。
3. 报警控制：当氢气浓度超过安全阈值时，通过控制模块触发报警装置，如声光报警器、短信报警等。
4. 远程通信：通过无线通信模块与上位机建立连接，将实时数据和报警信息传输到上位机，并接收上位机发送的控制指令。
三、系统实施1. 传感器安装：根据氢气泄漏可能发生的地点，合理安装传感器，以提高探测的准确性和覆盖范围。
2. 控制模块搭建：将选定的微处理器模块与传感器、通信模块连接，搭建控制模块，并进行软件编程。
3. 报警装置配置：根据需求配置相应的报警装置，如声光报警器、短信报警器等，确保及时有效的报警。
4. 上位机开发：开发相应的上位机软件，实现与控制模块的通信、数据显示和控制指令的发送。
四、系统测试和维护1. 系统测试：对整个系统进行功能测试和性能评估，确保传感器、控制模块和报警装置的正常工作。
英国CITY氧气传感器 T7OXV气体探测器
T7OXV CiTiceL ®Technical Specifications7OXV0-25%vol. O 2None4-20 mA d.c.<15 Seconds at 20°C0.1%vol O 2Can be considered linear inmany cases. Refer to OP-05 for further details Product DimensionsAll dimensions in mmAll tolerances ±0.15 mm unless otherwise statedIMPORTANT NOTE:All performance data is based on conditions at 20°C, 50% RH and 1013 mBar. For further information on the operation and calibration of the T7OX/V 4-20mA transmitter, please refer to OP-05.Oxygen (O 2) Gas Sensor with 4-20 mA TransmitterProduct Code : TA2R-1AMEASUREMENTSensor Type Used Measurement Range Filter Output Response Time (T 95)Resolution Linearity 10 - 35 VDC15 M ΩVia built-in span potentiometerELECTRICALPower Supply Required Output Impedance Calibration Via mounting nose supplied Approx. 120 g includingmounting accessoryNoneMECHANICALMounting Weight Position Sensitivty -20°C to +50°C 0°C to 20°C Refer to OP-05Atmospheric ± 10%0.02% signal/mbar0 - 99% RH non-condensingENVIRONMENTALOperating Temperature Range Recommended Storage Temp Temperature Compensation Operating Pressure RangePressure Coefficient Operating Humidity Range<5% signal loss/year Two years in air6 months in CTL container24 months from date of despatch(This ammounts to a variation ofcondition 6 of our standard terms and conditions which otherwise apply)LIFETIMELong Term Sensitivity Drift Expected Operating LifeStorage LifeStandard WarrantyKey Features & Benefits:• Robust 3-Series packaging• Industry standard 4-20 mA outputPoisoningCiTiceLs are designed for operation in a wide range of environments and harsh conditions. However, it is important that exposure to high concentrations of solvent vapours is avoided, both during storage, fitting into instruments and operation.When using sensors with printed circuit boards (PCBs), degreasing agents should be used before the sensor is fitted. Do not glue directly on or near the CiTiceL as the solvent may cause crazing of the plastic.Cross Sensitivity TableToxic gases at TLV levels will have no cross-sensitivity effect on Oxygen CiTiceLs. At very high levels (i.e. percent levels), highly oxidising gases (e.g. ozone and chlorine) will interfere to the extent of their oxygen equivalent, but most other commonly occurring gases will have no effect. For example: Methane 100% 0 Hydrocarbons 100% 0 Hydrogen 100% < -2% Carbon monoxide 20% < -0.5%Acid gases such as CO 2 and SO 2 will be slightly absorbed by the electrolyte and tend to increase the flux of oxygen to the electrode. This gives an enhanced oxygen signal of about 0.3% of signal per 1% CO 2. Capilliary controlled CiTiceLs (such as the 7OX/V) are not suitable for continuous operation in concentrations of CO 2 above 25%. In applications where high concentrations of CO 2 are present, the AO2 CiTiceL is recommended.The cross-sensitivity values quoted are based on tests conducted on a small number of sensors. They are intended to indicate sensor response to gases other than the target gas. Sensors may behave differently with changes in ambient conditions and any batch may show significant variation from the values quoted.Every effort has been made to ensure the accuracy of this document at the time of printing. In accordance with the company’s policy of continued product improvement City Technology Limited reserves the right to make product changes without notice. No liability is accepted for any consequential losses, injury or damage resulting from the use of this document or from any omissions or errors herein. The data is given for guidance only. It does not constitute a specification or an offer for sale. The products are always subject to a programme of improvement and testing which may result in some changes in the characteristics quoted. As the products may be used by the client in circumstances beyond the knowledge and control of City Technology Limited, we cannot give any warranty as to the relevance of these particulars to an application. It is the clients’ responsibility to carry out the necessary tests to determine the usefulness of the products and to ensure their safety of operation in aSAFETY NOTEThis sensor is designed to be used in safety critical applications. To ensure that the sensor and/or instrument in which it is used, are operating properly, it is a requirement that the function of the device is confirmed by exposure to target gas (bump check) before each use of the sensor and/or instrument. Failure to carry out such tests may jeopardize the safety of people and property.。
四氢噻吩THT传感器
四氢噻吩THT传感器四氢噻吩THT传感器产品描述：四氢噻吩THT传感器适用于各种环境和特殊环境中的四氢噻吩THT浓度和泄露，在线检测及现场声光报警，对危险现场的作业安全起到了预警作用，此仪器采用进口的电化学传感器和微控制器技术，具有信号稳定，精度高，重复性好等优点，防爆接线方式适用于各种危险场所，并兼容各种控制器，PLC,DCS等控制系统，可以同时实现现场报警和远程监控，报警功能，4-20mA标准信号输出，继电器开关量输出。
四氢噻吩THT传感器产品特性：进口电化学传感器具有良好的抗干扰性能，适用寿命8年。
采用先进微处理技术，响应速度快，测量精度高，稳定性和重复性好。
检测现场具有具有现场声光报警功能，气体浓度超标即时报警，是危险场所作业的安全保障。
4现场带背光大屏幕LCD显示，直观显示气体浓度，类型，单位，工作状态等。
5独立气室，更换传感器无须现场标定，传感器关键参数自动识别。
6全量程范围温度数字自动跟踪补偿，保证测量准确性。
检测气体：空气中的四氢噻吩THT检测范围：0~100ppm,0~200ppm,0~1000ppm,0~1000ppm,0~5000ppm,100%LEL可选。
分别率：0.01ppm(0~100ppm);0.1ppm(0~1000ppm);1ppm(0~10000ppm以上)；0.1LEL.工作方式：固定式连续工作，扩散式，管道式，流通时，泵吸式可选。
检测误差：≦1%（F.S）响应时间：≦10S输出信号：电流信号输出4-20MA报警方式：2路无源节点信号输出，报警点可设置。
工作环境：-20℃~50℃(特殊要求：（-40℃~+70℃)相对湿度：≦90%RH工作电压：DC12~30V传感器寿命：3年防爆形式：探头变送器及传感器均为隔爆型。
防爆等级：Exd II CT6连接电缆：三芯电缆(单根线径≧1.5mm)；建议选用屏蔽电缆。
连接距离：≦1000m.防护等级：IP65.外形尺寸：183X143X107mm.重量：1.5Kg.检测气体：空气中的四氢噻吩THT检测范围：0-100ppm、500ppm、1000ppm、5000ppm、0-100%LEL分辨率：0.1ppm、0.1%LEL显示方式：液晶显示温湿度：选配件，温度检测范围：-40～120℃，湿度检测范围：0-100%RH检测方式：扩散式、流通式、泵吸式可选安装方式：壁挂式、管道式检测精度：≤±3%线性误差：≤±1%响应时间：≤20秒（T90）零点漂移：≤±1%（F.S/年）恢复时间：≤20秒重复性：≤±1%信号输出：①4-20mA信号：标准的16位精度4-20mA输出芯片，传输距离1Km②RS485信号：采用标准MODBUS RTU协议，传输距离2Km③电压信号：0-5V、0-10V输出，可自行设置④脉冲信号：又称频率信号，频率范围可调（选配）⑤开关量信号：标配2组继电器，可选第三组继电器，继电器无源触点，容量220VAC3A/24VDC3A传输方式：①电缆传输：3芯、4芯电缆线，远距离传输（1-2公里）②GPRS传输：可内置GPRS模块，实时远程传输数据，不受距离限制（选配）接收设备：用户电脑、控制报警器、PLC、DCS、等报警方式：现场声光报警、外置报警器、远程控制器报警、电脑数据采集软件报警等报警设置：标准配置两级报警，可选三级报警；可设置报警方式：常规高低报警、区间控制报警电器接口：3/4″NPT内螺纹、1/2″NPT内螺纹，同时支持2种电器连接方式防爆标志：ExdII CT6（隔爆型）壳体材料：压铸铝+喷砂氧化/氟碳漆，防爆防腐蚀防护等级：IP66工作温度：-30～60℃工作电源：24VDC（12～30VDC）工作湿度：≤95%RH，无冷凝尺寸重量：183×143×107mm(L×W×H）1.5Kg(仪器净重)工作压力：0～100Kpa标准配件：说明书、合格证质保期：一年四氢噻吩THT传感器简单介绍:四氢噻吩THT传感器●自动温度补偿，零点，满量程漂移补偿●防高浓度气体冲击的自动保护功能●全软件校准功能，用户也可自行校准，用3个按键实现，操作简单●二线制4-20mA输出四氢噻吩THT传感器应用场所医药科研、制药生产车间、烟草公司、环境监测、学校科研、楼宇建设、消防报警、污水处理、工业气体过程控制石油石化、化工厂、冶炼厂、钢铁厂、煤炭厂、热电厂、、锅炉房、垃圾处理厂、隧道施工、输油管道、加气站、地下燃气管道检修、室内空气质量检测、危险场所安全防护、航空航天、军用设备监测等。
CITY气体传感器
广州兰瑟电子内部培训资料
细孔和薄膜氧气传感器对对温度的变动都是敏感的,但敏感程度不同。 温度对细孔氧气传感器的影响相对较小,通常温度从+20°C 到–20°C 会导致输出信号 损失 10%。相对的,温度对薄膜氧气传感器的影响要大得多,气体扩散通过薄膜是一个活 动的过程,通常 10°C 的温度变化就会导致传感器信号输出加倍。薄膜氧气传感器要求 温度的相对稳定,因而许多 CiTiceLs?产品带有内置热敏电阻。 英国 CITY 氧气传感器典型应用：
气体 - 氧气 应用 - 工业安全 选择 - 0-30%;
系列 气体类型 产品名称
使用寿命＊ 量程
产品描述
四系
O2
4OX-1
四系
O2
4OX-2
七系
O2
7OX-V
七系
O2
T7OX-V
气体 - 氧气 应用 - 排放
空气中1年 空气中2年 空气中2年 空气中2年
0-30% 0-30% 0-30% 0-25%
塑料容器传感器 塑料容器装传感器带细管头 废气传感器
系列
气体类型 产品名称 使用寿命＊ 量程
产品描述
AutoO2? O2
AO2
AutoO2? O2
AO3
空气中2年 空气中2年
0-100% 0-100%
汽车传感器(内置热敏电阻),通过 BAR97和 PTB 认证 汽车传感器,含0.141"微型电话插口,通过 BAR97和 PTB 认证
微型传感器,塑料容器 微型传感器,塑料容器 微型传感器 – 塑料罐。用于极端环境 微型传感器,塑料容器,带传输板
系列
气体类型 产品名称
使用寿命＊ 量程产品描述来自CiTiceL? O2
英国CITY二氧化碳传感器IRCELCO2
IRceL ® CO2Technical SpecificationsNon-Dispersive Infra-Red (NDIR)0-5% vol. Carbon DioxideWithin ± (0.1% vol CO 2 + 4% ofconcentration)<35 Seconds< ±0.003% CO 2< ±0.075% CO 2See Operating Principles OP17Product DimensionsAll dimensions in mmAll tolerances ±0.15mm unless othewise statedIMPORTANT NOTE:Connection should be made via PCB sockets only. Soldering to the pins will seriously damage your sensor.All performance data is based on conditions at 20°C, 50%RH and 1013mBar, using CityTechnology recommended circuitry. For sensor performance data under other conditions, refer to the Characterisation Note and Operating Principles.Carbon Dioxide (CO 2) Gas SensorPart Number: IRCEL-CO2RMEASUREMENTOperating Principle Measurement Range Accuracy (-20°C to +50°C)Response Time (T 90)Repeatability:Zero 5% CO 2Linearity 3-5 VDC, 3.3 V to utiliseEEPROM calibration<100 mW at 3.3 V2 Hz, 50% duty cycle0.005% CO 2 at zero0.15% CO 2 at range<10 SecondsELECTRICALSupply Voltage Power Consumption Recommended Lamp Frequency Minimum Resolution Warm-up Time Stainless Steel (see back page)23 g AnyMECHANICALHousing Material Weight Orientation General Purpose Portable /Fixed CO 2 Detection-20°C to +50°C0 to 99% RH (non-condensing)700 to 1300 mBar withcompensation ENVIRONMENTALTypical Applications Operating Temperature Range Operating Humidity Range Operating Pressure Range < 80 ppm CO 2 per month-20°C to +50°C> 5 years12 months from date of despatchLIFETIMELong Term Zero Drift Recommended Storage Temp MTBF Standard Warranty Key Features & Benefits:•Integrated thermister for accurate temperature compensation •EEPROM programmed with sensor specfic performance characteristics •Compact SizePin Function 1Lamp return 2Lamp +5V3+5V pyro supply 4Detec tor output 5Referenc e output 6Thermis tor output 70V py ro supply深圳市深国安电子科技有限公司地址：广东省深圳市龙华新区牛栏前大厦Ｃ５０７ 网址：ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ．ｃｎ ｗｗｗ．ｓｈｅｎｇｕｏａｎ．ｃｏｍ蒋小姐：１３４ ２８７６ ２６３１ 电话：８６ ７５５－８５２５８９００Doc. Ref.: ircelco2.pmd Issue 3 ECN 1848Page 2 of 37th August 2009Instructions specific to hazardous area installations(reference European ATEX Directive 94 / 9/ EC, Annex II, 1.0.6.)The following instructions apply to equipment covered by certificate number Sira 04ATEX1084X;1.The equipment may be used with flammable gases and vapours with apparatus groups IIA,IIB and IIC and with temperature classifications T1, T2, T3 and T4.2.The equipment is certified for use in ambient temperatures of -20ºC to +55ºC.3.The equipment has not been assessed as a safety related device (as referred to by Directive 94 / 9 / EC Annex II, clause 1.5).4.Installation of the equipment shall be carried out by suitably trained personnel in accordance with the applicable code of practice (e.g. EN 60079-14)5.Inspection and maintenance of this equipment shall be carried out by suitably trained personnel in accordance with the applicable code of practice (e.g. EN 60079-17).6.Repair of this equipment shall be carried out by suitably trained personnel in accordance with the applicable code of practice (e.g. EN 60079-19).7.Special conditions for safe use7.1. The IRceL is designed to be connected to a gas detector which shall provide an intrinsicallysafe supply and having a maximum output power (P max ) not greater than 1.4watt.7.2.Because the IRceL has not been proven to withstand the impact and drop tests prescribed in EN 60079-0:2006, clauses 26.4.2 and 26.4.3, additional protection shall be provided toensure that it cannot be subjected to such mechanical stresses.Approval Body:SIRA CERTIFICATION SERVICETest Standard:EN 60079-0:2006 General Requirements EN 60079-1:2007 Flameproof Enclosures "d"EN 61241-0:2006 Electrical Apparatus for use in the presence of Combustible Dust Part 0 : General Requirements.EN 61241-1:2004 Electrical Apparatus For use in th epresence of Combustible DustPart 1 : Protection of Enclosures "td"Product Categories:ExdI/IIC T4 (T amb -20°C to +55°C),Pmax = 1.4W MbGb ExtIIICIP6xDbII2GD/IM2 0518Certificate Number:Sira 04ATEX1084XApproval Body:UNDERWRITERS LABORATORIES INC ®Test Standard:UL913CSA.C22.2 No 157Product Categories:Class 1, Division 1, Groups A, B, C, D File Number:E180262Product Approval深圳市深国安电子科技有限公司地址：广东省深圳市龙华新区牛栏前大厦Ｃ５０７ 网址：ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ．ｃｎ ｗｗｗ．ｓｈｅｎｇｕｏａｎ．ｃｏｍ蒋小姐：１３４ ２８７６ ２６３１ 电话：８６ ７５５－８５２５８９００Doc. Ref.: ircelco2.pmd Issue 3 ECN 1848Page 3 of 37th August 20098.The certification of this equipment relies upon the following materials used in its construction;Enclosure material:either 303 stainless steel, which contains less than 6%magnesiumor 304 stainless steel, which contains less than 6%magnesium Flame arrester:316 stainless steel mesh Cement:CW2248/HY956ENManufacturerCiba-Geigy Type of compound Epoxy resin ColourBeige (natural)Filler type and %55.2% trihydrated Al 2O 3Other additives 8.3%Surface treatments None Temperature index 170°C City Tech referenceRM 497If the equipment is likely to come into contact with aggressive substances, then it is the responsibility of the user to take suitable precautions that prevent it from being adversely affected, thus ensuring that the type of protection is not compromised.Aggressive substances: e.g. acidic liquids or gases that may attack metals, or solventsthat may affect polymeric materials.Suitable precautions:regular checks as part of routine inspections or establishingfrom the material's data sheet that it is resistant to specific chemicals.9.The IRceL is available in several formats depending upon the optical filter and components employed. The Certification marking is shown below using the IRceL CH4 label as an example:Every effort has been made to ensure the accuracy of this document at the time of printing. In accordance with the company’s policy of continued product improvement City Technology Limited reserves the right to make product changes without notice. No liability is accepted for any consequential losses, injury or damage resulting from the use of this document or from any omissions or errors herein. The data is given for guidance only. It does not constitute a specification or an offer for sale. The products are always subject to a programme of improvement and testing which may result in some changes in the characteristics quoted. As the products may be used by the client in circumstances beyond the knowledge and control of City Technology Limited, we cannot give any warranty as to the relevance of these particulars to an application. It is the clients’ responsibility to carry out the necessary tests to determine the usefulness of the products and to ensure their safety of operation in a particular application.Performance characteristics on this data sheet outline the performance of newly supplied sensors. Output signal can drift below thelower limit over time.深圳市深国安电子科技有限公司地址：广东省深圳市龙华新区牛栏前大厦Ｃ５０７ 网址：ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ ｗｗｗ．ｓｉｎｇｏａｎ．ｃｏｍ．ｃｎ ｗｗｗ．ｓｈｅｎｇｕｏａｎ．ｃｏｍ蒋小姐：１３４ ２８７６ ２６３１ 电话：８６ ７５５－８５２５８９００。
英国CITY传感器（doc）
英国CITY英国CITY氧气传感器概况所有的氧气传感器都是自身供电,有限扩散,其金属-空气型电池由空气阴极,阳极和电解液组成。
（图一）氧气传感器简单来说是一个密封容器(金属的或塑料的容器),它里面包含有两个电极：阴极是涂有活性催化剂的一片PTFE(聚四氟乙烯),阳极是一个铅块。
这个密封容器只在顶部有一个毛细微孔,允许氧气通过进入工作电极。
两个电极通过集电器被连接到传感器表面突出的两个引脚,而传感器通过这两个触角被连接到所应用的设备上。
传感器内充满电解质溶液,使不同种离子得以在电极之间交换(参见图1)。
Figure 1 - Schematic of oxygen sensor.进入传感器的氧气的流速取决于传感器顶部的毛细微孔的大小。
当氧气到达工作电极时,它立刻被还原释放出氢氧根离子：O2 + 2H2O + 4e- " type="#_x0000_t75">4OH-这些氢氧根离子通过电解质到达阳极(铅),与铅发生氧化反应,生成对应的金属氧化物。
2Pb + 4OH- " type="#_x0000_t75">2PbO + 2H2O + 4e-上述两个反应发生生成电流,电流大小相应地取决于氧气反应速度(法拉第定律),可外接一只已知电阻来测量产生的电势差,这样就可以准确测量出氧气的浓度。
电化学反应中,铅极参与到氧化反应中,使得这些传感器具有一定的使用期限,一旦所有可利用的铅完全被氧化,传感器将停止运作。
通常氧气传感器的使用寿命为1-2 年,但也可以通过增加阳极铅的含量或限制接触阳极的氧气量来延长传感器的使用寿命。
毛细微孔氧传感器和分压氧传感器城市技术生产的氧气传感器根据进入传感器的氧气的扩散方式的不同分为两种,一种是在传感器顶部设有一毛细微孔,而另一种设有一层固体薄膜允许气体通过。
细孔传感器测量的是氧气浓度,而固体薄膜传感器测量的是氧气的分压。
氢能发电厂专用瑞士进口Membrapor氢气H2传感器
氢能发电厂专用瑞士进口Membrapor氢气H2传感器氢能发电厂瑞士Membrapor 氢气H2传感器一、产品介绍富安达带来的Membrapor 氢气传感器是玻璃行业氢气检测仪器的主要核心部件，产品性能精度高、一致性好、重复性好、高稳定性、高分辨率、抗干扰能力强，可在低温下使用，是全球知名企业信赖的传感器，也是国家安全生产总局主要推荐的传性好，同时量程选择多，最高量程可以达到10000ppm 以上，同时可根据客户需求定制不同量程的传感器。
Membra感器，主要应用于氢能发电厂氢气泄露检测场合，传感器的输出性能稳定，线por以其无可匹敌的实力和压倒性的技术优势雄居电化学气体传感器世界之首。
二、传感器工作原理瑞士进口Membrapor 氢气传感器其工作原理是根据电化学的原理工作，利用待测气体在电解池中工作电极上的电化学氧化过程，通过电子线路将电解池的工作电极和参比电极恒定在一个适当的电位，在该电位下可以发生待测气体的电化学氧化，由于氧在氧化和还原反应时所产生的法拉第电流很小，可以忽略不计，于是待测气体电化学反应所产生的电流与其浓度成正比，通过测定电流的大小就可以确定待测气体的浓度。
三、产品概述氢是通过一定的方法利用其它能源制取的一种不依赖化石燃料的储量丰富的可再生能源。
它的主要优点有：燃烧热值高，每千克氢燃烧后的热量，约为汽油的3倍，酒精的3.9倍，焦炭的4.5倍;燃烧的产物除水和少量氮化氢外不会有其它有害物质，少量的氮化氢经过适当处理也不会污染环境。
氢能发电，指利用氢气和氧气燃烧，组成氢氧发电机组。
氢气发电用为一种新洁能源的优点a •氢气的来源广泛，可以由水制得。
b •氢气燃烧的热值比化石燃料高（如下图）•大约是汽油热值的二倍。
c•最突出的优点是燃烧产物是水，不污染环境因此氢能源具有广阔的开发前景。
②氢气的性质a•氢气的物理性质：通常情况下，氢气是无色、无味的气体，难溶于水，密度是0.089g/L，比空气密度小，是最轻的气体。
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矿产资源开发利用方案编写内容要求及审查大纲
矿产资源开发利用方案编写内容要求及《矿产资源开发利用方案》审查大纲一、概述
㈠矿区位置、隶属关系和企业性质。
如为改扩建矿山, 应说明矿山现状、
特点及存在的主要问题。
㈡编制依据
(1简述项目前期工作进展情况及与有关方面对项目的意向性协议情况。
(2 列出开发利用方案编制所依据的主要基础性资料的名称。
如经储量管理部门认定的矿区地质勘探报告、选矿试验报告、加工利用试验报告、工程地质初评资料、矿区水文资料和供水资料等。
对改、扩建矿山应有生产实际资料, 如矿山总平面现状图、矿床开拓系统图、采场现状图和主要采选设备清单等。
二、矿产品需求现状和预测
㈠该矿产在国内需求情况和市场供应情况
1、矿产品现状及加工利用趋向。
2、国内近、远期的需求量及主要销向预测。
㈡产品价格分析
1、国内矿产品价格现状。
2、矿产品价格稳定性及变化趋势。
三、矿产资源概况
㈠矿区总体概况
1、矿区总体规划情况。
2、矿区矿产资源概况。
3、该设计与矿区总体开发的关系。
㈡该设计项目的资源概况
1、矿床地质及构造特征。
2、矿床开采技术条件及水文地质条件。