英国CITY氯化氢传感器 7HL气体检测探头
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氯化氢气体检测报警器传感器原理的探讨发布时间:2022-05-27T01:14:44.849Z 来源:《中国科技信息》2022年2月第3期作者:王新豹孟伟[导读] 氯化氢气体检测系统通过微处理器将气体传感器装置上检测传感器采集的检测气体浓度数据转换为微弱电信号王新豹孟伟新疆维吾尔自治区计量测试研究院新疆乌鲁木齐 830011摘要:氯化氢气体检测系统通过微处理器将气体传感器装置上检测传感器采集的检测气体浓度数据转换为微弱电信号,并通过电缆信号直接传输或发送回气体报警控制器。
气体浓度要求越高,电信号输出越强,当检测到该级别的气体浓度值严重达到最大报警值或浓度严重超过气体报警系统控制器预先设置的气体安全浓度报警点时,报警系统将发出气体安全浓度报警点指示报警信号。
它是现代化工企业进行现代安全、环保、高效、安全生产作业所必需的另一种物质技术保护体系产品,本文系统地讨论和分析了氯化氢气体浓度自动检测报警的传感器原理。
摘要:氯化氢;气体检测;传感器;原理气体传感器系统一般是指传感器系统的核心部分,由气体浓度传感器检测和分析处理系统组成,通常安装在固定式地面气体传感器检测器的末端。
从技术物理学的本质来看,气体传感器技术的主要任务是提供一种转换器,通过转换特定浓度的测量气体体积分数电信号值来计算相应的浓度电信号值。
探测头还可以通过各种气体传感器直接操作,以调节各种有害气体样品的气体表面。
一般来说,这些操作主要包括压滤机去除各种表面杂质、颗粒和其他有害干扰气体,干燥后或制冷前的表面处理,以及样品真空抽吸,甚至可以直接对一些样品表面进行样品表面化学处理,以便于使用表面化学传感器对气体进行更准确、更快、有效和可靠的测量。
一、氯化氢气体检测报警器传感器原理氯化氢气体检测传感器产品广泛用于测量各种易燃易爆环境气体和其他特殊工业环境气体中含有的高氯化氢HCl气体的浓度过高和泄漏。
在线自动检测功能和现场声光检测报警,对各种危险事故现场的施工作业和安全监控起到可靠的预警作用,本套仪表系统采用美国原装电化学传感器原理和微机电控制器技术。
HL-200型系列气体检测报警仪使用说明书京制01050047号※本说明书适用于:HL-200型可燃性气体检测报警仪HL-200型氧气检测报警仪HL-200型有毒气体检测报警仪一、重要提示:1.在使用仪器之前,请仔细阅读本说明书。
2. 本仪器需由经过培训的人员或专门人员使用与维护。
3.仪器的维修和部件的更换必须采用我公司的原装备件并由受过专门培训的人员来完成或邮寄本公司维修。
4.如果用户不依照以上说明擅自开机修理更换部件,仪表的可靠性责任由操作者负责。
5.本仪器的使用还应遵守国内有关部门及工厂内部仪器管理方面的法规和制度。
二、产品介绍:HL-200型系列气体检测报警仪为最新开发产品,采用了具有国际一流水平的电化学传感器,内部电路采用单片机设计,贴片化封装,液晶显示,二级声、光、震动报警,镍氢电池供电并配有充电器。
该报警仪具有寿命长、稳定性好、抗干扰能力强、体积小、重量轻、携带方便等优点。
同时具有数字显示、声光振动报警、电源欠压报警功能。
可以连续检测周围环境中指定气体浓度,一旦气体浓度达到报警预设值,就会发出声、光和振动报警。
HL-200型系列单一气体检测报警仪包括HL-200型可燃性气体检测报警仪、HL-200型氧气检测报警仪、HL-200型有毒气体检测报警仪。
可测量的气体种类详见后面附表:三、技术性能指标:(不同气体指标见后面附表)1. 报警误差:H2S ±20%报警设置点,CO ±10%报警设置点,SO2±2.5%FS;2. 报警方式:低报:蜂鸣器断续声响,红色发光二极管闪亮高报:蜂鸣器发出急促声响,红色发光二极管闪亮,振动器发出振动报警。
3. 电源电压:DC2.4V(镍氢充电电池二节,并配有专用充电器)4. 电源低电压报警:液晶显示器显示电池容量,当电池欠压时显示电池容量不足符号,同时蜂鸣器发出连续蜂鸣。
5. 连续工作时间:氧气及有毒气体≥500小时(无报警);可燃性气体≥8小时(无报警)6.传感器寿命:保证一年(一年之内如有传感器损坏,本公司负责免费更换传感器,因用户使用不当原因造成损坏除外)7.使用环境条件:温度O℃~40℃,湿度≤85%RH,大气压力86kPa~106kPa8.外形尺寸: (115×62×26)mm (长×宽×高)9.重量:≤120g (可燃性气体≤180g)四、使用方法:1、开机:轻按“On/Off”键,直到液晶屏幕点亮。
4OX(1) - Oxygen CiTiceL ®Performance CharacteristicsNominal Range Max Overload Expected Operating Life Output Signal T 95 Response Time Temperature Range Temperature Coefficient Pressure Range Pressure Coefficient Operating Humidity Long Term Output Drift Recommended Load Resistor0-25% Oxygen 30% OxygenOne year in air0.22 ± 0.02mA in air ≤15 seconds -20°C to +50°C 0.2% signal/°CAtmospheric ± 10%<0.02% signal/mBar (typ.0.01%)0 to 99% RH non-condensing <5% signal/year 100ΩDoc. Ref.:4ox1.p65Issue 1.4Jan 16, 200117g (approx.)NoneSix months in CTL container0-20°C 12 months from date ofdespatchPhysical CharacteristicsWeight Orientation Sensitivity Storage Life Recommended Storage TemperatureWarranty Period N.B.The specification is based on measurements made with cylinder gases using a flow rate of 400 mls min -1. Conditions at 20°C, 50%RH, and 1013mBar unless otherwise noted.IMPORTANT NOTE : Connection should be made via PCB sockets only. Soldering to the pins will seriously damage your sensor and render your warranty void.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 in4OX (1) Oxygen CiticeL - Output vs Temperature85.090.095.0100.0105.0110.0-20-101020304050Temperature (C)O u t p u t (% o f 20C S i g n a l )英国CT气体传感器 CITY城市技术气体传感器常用型号选型样本 CITY公司/IT公司/SENSORIC公司气体传感器选购指南 英国CT气体传感器快速选型产品系列用途3系列种类齐全的毒气气体传感器4系列主要应用于便携式气体检测仪5系列排放气体传感器系列7系列用于一般气体检测的传感器医用系列氧气传感器是专为呼吸及麻醉应用而设计的产品汽车系列用于汽车尾气排放分析仪MICROceL微型气体传感器Sensoric毒气传感器Sixth Sense一氧化碳传感器工业安全监测气体类型产品名称 使用寿命 量程 产品描述一氧化碳C O MICROceL CF2CF2E/F3E3E/F3ME/F4CF4CO4COSH7E7E/F9CFA7EA7E/FCO 2E 300CO 3E 300CO 3E 500 SE ZT3E/F2年空气中2年空气中2年空气中3年空气中3年空气中3年空气中2年空气中2年空气中3年空气中3年空气中3年3个月空气中3年空气中3年>3 years>4 years>2 years空气中3年0-1500ppm0-1000ppm0-500ppm0-2000ppm0-2000ppm0-2000ppm0-1500ppm0-1500ppm0-1500ppm CO0-500ppmH2S0-2000ppm0-2000ppm0-200ppm0-2000ppm0-2000ppm0-300ppm0-500ppm0-500p三电极一氧化碳传感器带内置过滤器二电极微型传感器二电极,带H2S过滤器三电极三电极,带H2S过滤器三电极,带H2S过滤器和mV输出板三电极微型,带H2S和SO2过滤器三电极微型四电极微型二气(CO和H2S)三电极微型三电极微型,带H2S和SO2过滤器二电极,使用寿命三个月四电极,带氢气补偿四电极,带H2S、SO2过滤器,和H2补偿两电极,有4系和7系等三种尺寸.三电极,有4系和7系等三种尺寸.三电极传感器,有4系和7系等三种尺寸.三电极,带H2S过滤器和4-20mA传输板0-500p mp硫化氢H 2 S MICROceL HS3H3HH3HH/LM3MH4COSH4H4HS7H7HH7HH/LM9HHEZT3HH2S 2E 30H2S 2E 50H2S 2E 50 SH2S 3E 100H2S 3E 100 SH2S 3E 302年空气中2年空气中2年空气中2年空气中2年空气中3年空气中2年空气中2年空气中2年空气中2年空气中2年空气中3个月空气中2年>18 月>18 月>4 years>4 years>4 years>18 months0-1000ppm0-1000ppm0-500ppm0-500ppm0-500ppm0-1500ppm CO0-500ppmH2S0-500ppm0-500ppm0-1000ppm0-500ppm0-500ppm0-200ppm0-200ppm0-30ppm0-50ppm0-50ppm0-100ppm0-100pMICRO三电极硫化氢传感器三电极传感器三电极传感器,高量程三电极传感器,对甲烷交叉干扰低三电极传感器,带mV输出板四电极微型二气传感器(CO和H2S)三电极微型传感器,高干扰三电极微型传感器三电极微型传感器三电极微型传感器,高干扰三电极微型传感器,对甲烷交叉干扰低二电极传感器,使用寿命三个月三电极传感器带4-20mA传输板两电极,有机电极、有4系和7系等三种尺寸.两电极,有4系和7系等三种尺寸.三电极,有4系和7系等三种尺寸.三电极,有4系和7系等三种尺寸.三电极,有4系和7系等三种尺寸.0-30ppm氧气O 2 4OX-14OX-27OX-VC/2C/2PNC/NC/NLHC/NLLC/SC/YMICROceL OXT7OX-VI-05I-01I-02I-04I-06I-08P-10P-40P-40F OS-65空气中1年空气中2年空气中2年空气中18个月空气中1年空气中9个月平衡平衡空气中9个月空气中1年空气中2年空气中2年3年6年6年3年4年4年2年2年2年0-30%0-30%0-30%0-30%0-30%0-30%0-1000ppm0-1000ppm0-30%0-30%0-30%0-25%0-100%0-35%0-35%0-100%0-100%0-25%0-21%0-21%0-1%0-65%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。
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。
气体氯化氢检测方法氯化氢是一种常见的气体,也是一种具有强烈刺激性和腐蚀性的有毒气体。
因此,准确、快速地检测氯化氢的浓度对于保护人们的生命安全和环境的健康非常重要。
本文将介绍几种常用的氯化氢检测方法。
常见的一种氯化氢检测方法是使用气体传感器。
气体传感器是一种能够测量气体浓度的设备,常用的有电化学传感器、光学传感器和化学传感器等。
这些传感器能够通过感知氯化氢分子与传感器之间的相互作用来测定气体的浓度。
电化学传感器是最常见的一种,其原理是利用电化学反应来测量气体浓度。
光学传感器则利用光的吸收或散射来测量气体浓度。
化学传感器则通过与气体反应产生化学变化,并测量变化来确定气体浓度。
这些传感器具有灵敏度高、测量范围广、响应时间快等优点,被广泛应用于氯化氢的检测领域。
另一种常用的氯化氢检测方法是使用颜色指示剂。
颜色指示剂是一种能够根据气体浓度的变化而改变颜色的物质。
对于氯化氢的检测,一般使用含有碱性物质的颜色指示剂。
当氯化氢与颜色指示剂发生反应时,会发生颜色的变化,从而可以通过观察颜色变化来判断氯化氢的浓度。
这种方法简单、快速,适用于氯化氢浓度较高的情况。
但是,这种方法对于氯化氢的低浓度检测相对不敏感。
还有一种常用的氯化氢检测方法是使用红外光谱技术。
红外光谱技术是一种能够测量物质分子振动和转动能级的技术。
对于氯化氢的检测,可以利用其特征吸收峰在红外光谱图谱中的位置和强度来确定氯化氢的浓度。
这种方法具有高灵敏度、高选择性和非破坏性等优点,但需要专业的设备和技术支持。
还有一种常用的氯化氢检测方法是使用电化学法。
电化学法是利用电化学原理来测量物质浓度的方法。
对于氯化氢的检测,可以使用电离电流、极化电流等参数来确定氯化氢的浓度。
这种方法具有灵敏度高、响应速度快、可实时监测等优点,被广泛应用于氯化氢的检测领域。
氯化氢的检测方法有很多种,包括气体传感器、颜色指示剂、红外光谱技术和电化学法等。
不同的方法适用于不同的场景和浓度范围。
RAE Systems 7HCl 传感器RAE Systems Inc. RAE Systems (Shanghai) Inc.3775 North First Street, San Jose, CA 95134 USA 788 Zhao Xian Road, Jiading District, Shanghai 201821 P.R.China Web: Tel: +86-21-6952-2616 • Fax: +86-21-5990-02687R 氯化氢电化学传感器产品编号(P/N): CSE-1431-700特性指标正常检测范围 0-50 ppm 最大检测浓度 100 ppm 灵敏度 0.3± 0.1μA/ppm 底电流(20 o C ) < ±0.8 μA基线漂移(-20 ~ 50 o C) 相当于0 ~ 1 ppm HCl 分辨率 <0.5 ppm 响应时间(T 90) ≤70秒 线性度 线性长期稳定性 <2% 信号值/月工作条件工作温度 -20 ~ 50o C工作湿度 15 ~ 90%RH (无冷凝) 工作压力 91 ~ 111 kPa 偏压 + 200mV储存时间 6 个月 (RAE 专用包装盒中) 储存温度 0 ~ 20o C 质保期 交货后12个月物理指标重量 约8克 方位要求 无外形尺寸Do not solder to pin connectionsRAE Systems 7HCl 传感器RAE Systems Inc. RAE Systems (Shanghai) Inc.3775 North First Street, San Jose, CA 95134 USA 788 Zhao Xian Road, Jiading District, Shanghai 201821 P.R.China Web: Tel: +86-21-6952-2616 • Fax: +86-21-5990-0268温度影响交叉灵敏度(20 º C )气体种类 浓度(ppm) 输出信号 (相当HCl 浓度,ppm)氢气 2000 0 一氧化碳 100 0 一氧化氮 20 50 二氧化氮 10 1 硫化氢 25 130 二氧化硫 20 35 氮气100% 0。
7HL CiTiceL ®
Performance Characteristics
Nominal Range Maximum Overload Expected Operating Life
Output Signal Resolution
Temperature Range
Pressure Range Pressure Coefficient T 90 Response Time Relative Humidity Range
Typical Baseline Range (pure air)
Maximum Zero Shift (+20°C to +40°C)Long Term Output Drift
Recommended Load Resistor
Bias Voltage Repeatability Output Linearity
0-50ppm 100ppm Two years in air 0.75 ± 0.25 µA/ppm 0.5ppm -20°C to +50°C Atmospheric ± 10%No data
≤120 seconds (typically 100)15 to 90% non-condensing
0 to +2ppm
4ppm equivalent
<2% signal loss/month
33Ω
+300mV 2% of signal Linear
17g
None
Six months in CTL container
0-20°C
12 months from date of despatch
Physical Characteristics
Weight Position Sensitivity
Storage Life
Recommended Storage Temperature
Warranty Period
N.B. All performance data is based on conditions at 20°C,
50%RH, and 1013mBar
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
Cross-sensitivity Data
CiTi ceLs may exhibit a response to certain gases in a sample other than the target gas. 7HL CiTiceLs have been tested with a number of commonly cross-interfering gases and the results are given below. The table shows the typical response to be expected from a sensor when exposed to a given test gas concentration (relevant to safety,
e.g. TLV levels).
Ordering Information:
Also available with bias board (7BHL)
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
蒋小姐:134 2876 2631 电话:86 755-85258900
网址:www.singoan.com www.singoan.com.cn www.shenguoan.com
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 improve-ment 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 time.
SAFETY NOTE
This 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.
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。