日本NEMOTO电化学硫化氢气体传感器NE-H2S(中文)
硫化氢气体传感器

硫化氢气体传感器硫化氢气体传感器特点:★整机体积小,重量轻★专业精选进口传感器,可以搭载电化学,催化燃烧,红外原理,热导原理的传感器。
★高精度,高分辨率,响应迅速快.★本安电路设计,可带电热拔插操作。
★数据恢复功能,免去误操作引起的后顾之忧.★自动温湿度补偿功能,出厂精准标定,无须再使用标定。
.★模拟电压或电流和串口同事输出,方便客户调试和使用。
★最精密的电路设计和制造工艺,生产复杂,使用简单。
★可与电脑连接通讯,自行标定校准。
★自带零点微调功能,方便选定参照数据。
★低功耗产品,可异动电源供电可大量用于分析仪仪器,大气,环境无人机监测。
硫化氢气体传感器结构尺寸图:硫化氢气体传感器直视图和PIN 脚定义图:硫化氢气体传感器工作电压DC5V±1%/DC24±1%波特率9600测量气体硫化氢H2S 气体检测原理电化学采样精度±2%F.S 响应时间<30S重复性±1%F.S 工作湿度0-95%RH,(无冷凝)工作温度-30~50℃长期漂移≤±1%(F.S/年)存储温度-40~70℃预热时间30S 工作电流≤50mA 工作气压86kpa-106kpa安装方式8脚拔插式质保期1年输出接口8pIN 外壳材质铝合金使用寿命2年外型尺寸(引脚除外)33.5X3121.5X31测量范围详见选型表输出信号TTL(标配)0.4-2.0VDC(常规)定制RS485/4-20mA引脚名称说明1+5V 电源接入PIN 脚2EN Rs485(3.3V),可接MCU Tx 3Rx/A 串口RX(3.3V),可接MCU Rx 5Scl I2C,Scl(3.3v)引脚6SDA I2C(3.3V)引脚7GND 电源GND 引脚8VOUT电压输出,0-5V/0.4-2.0V硫化氢气体传感器串口和电压采集接线定义图:硫化氢气体传感器I2C接线定义图:硫化氢气体传感器I2C接线定义图:硫化氢气体传感器交叉干扰系数高精度的传感器检测原理决定了它有良好的一致性,重复性,温湿度补偿等特性,但也不能忽略被检测气体之间的交叉干扰,为了达到很好的检测精准度,须考虑以下气体对该检测气体的干扰系数。
NAP-57S 接触燃烧式气体传感器技术手册说明书

20180605NAP-57S(接触燃烧式气体传感器)技术手册株式会社:日本根本传感器工程技术有限公司〒168-0072 東京都杉並区高井戸東4-10-9TEL. 03-3333-2760FAX. 03-3333-7344E-mail:****************.jpURL : http://www.nemoto.co.jpNAP-57S是一个基于56A研发出来的新品,可以用在工业及商业场合的可燃气体探测器上,它在HMDS和H2S等毒性气体环境下有良好的检测灵敏度,同时传感器的功耗和管脚位置与55A和56A是相同的。
1. 57S的特性和用途1)特性良好的稳定性极佳的重复性和一致性对应不同的气体浓度具有良好的线性.优异的抗毒性气体能力能非常灵活地在可燃气体报警器和可燃气体浓度检测仪上应用2)用途在可燃气体报警器和可燃气体检测仪上都能被使用2. 绝对最大额定功率供给电压AC 3.3V (50 -60Hz)DC 3.3V工作时环境温度和湿度的范围环境温度:-40 ~+80℃相对湿度:99%RH(无凝露)存放时温度和湿度的范围环境温度:-40 ~+80℃相对湿度:99%RH (无凝露)3.额定功率供给电压AC 2.5 ±0.25V(50-60Hz)DC 2.5 ±0.25V电流(加2.5V时) AC 160 ~180mA(50-60Hz)DC 160 ~180mA工作时环境温度和湿度的范围环境温度:-20 ~+60℃相对湿度:95%RH以下(无凝露)存放时温度和湿度的范围环境温度:-30 ~+70℃相对湿度:95%RH以下(无凝露)4. 检测范围该传感器能检测除乙炔以外的全部可燃气体,检测范围1%~100%LEL,其中在50%LEL以内能达到±10%的检测精度。
5.响应时间及恢复时间洁净空气到10%LEL T90: 10sec.以内10%LEL气体中恢复到洁净空气T90: 20sec.以内(这些时间是依照环境条件所得)6. 输出特性6-1. 可燃气体的灵敏度特性图 1.可燃气体的灵敏度特性图 2.到50%LEL时甲烷气体的线性度6-2. 温度影响图 3.温度对零点漂移的影响图 4.温度对甲烷气体的敏度的影响6-3.湿度影响图 5.湿度对零点漂移的影响图 6.湿度对甲烷气体灵敏度的影响6-4.传感器方位性对输出的影响传感器当检测端和补偿端方位发生变化时感度的变化在±100ppm内。
日本NEMOTO可燃气体传感器NAP-50A(中文)

19940125NAP—50A(触媒接触燃烧式城市燃气传感器)使用说明书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目 录1.NAP—50A传感器的特征及用途 (2)2.额定值 (2)3.燃气灵敏度特性 (3)4.应答特性 (4)5.电源电压波动特性 (5)6.温度特性 (7)7.湿度特性 (7)8.传感器的检测方法 (8)9.传感器图纸 (11)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.com1.NAP—50A传感器的特征及用途NAP—50A和从前本公司生产的接触燃烧式燃气传感器(NAP—2A、NAP—7A)相比,体积小、节能,消耗电力只有NAP—2A的50%,并且由于和同型号的NAP—55A相对比对酒精的感度小,不仅适合家庭用而且适合业务用燃气报警器。
NAP—50A对燃气有卓越的感应灵敏度,应答速度超出2A约30%以上。
下面介绍一下特征及用途:(1) 特征·具有良好的稳定性·突出的再现性和灵敏度·对于城市燃气浓度的输出信号显示为良好直线性·应答速度极快·由于超小型,故报警器形状可随意调整(2) 用途·城市燃气用报警器·各种燃气的浓度计2.额定值·电桥外加电压 A.C.2.5V±0.25V(频率50—60Hz)D.C.2.5V±0.25V·电桥外加电流 A.C. 160~180mA(频率50—60Hz)(2.5V外加时) D.C. 160~180mA·使用时周围的温湿度 温度 –10~+50℃湿度95%RH以下·保管时周围的温湿度 温度 –20~+60℃湿度95%RH以下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.com3. 燃气灵敏度特性图 1 NAP—50A 的灵敏度特性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:86 755-852589004. 应答特性(测定例:和NAP—2A 的比较)图中的时间是90%应答的情况图 2 NAP—50A 的应答特性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:86 755-852589005. 电源电压波动特性图 3 NAP—50A 的燃气感应灵敏度的电源电压变动特性图 4 空气中输出值的电源电压波动特性2.252.50 2.75Supply Voltage (V)1020∆V o u t i n C H (m V )4 2.25 2.50 2.752-2V o u t i n A i r (m V )Supply Voltage (V)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图 5 理论报警浓度的电源电压波动特性2.752.502.25Supply Voltage (V)20002500300035004000T h e o r i t i c a l A l a r m G a s C o n c e n t r a t i o n o f C H (p p m )4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:86 755-852589006. 温度特性图 6 NAP—50A 的温度特性7. 湿度特性图 7 NAP—50A 的湿度特性 3030404050502020101000-10-10-22Temperature (C)oTemperature (C)o V o u t i n A i r (m V )303060609090Relative Humidity (%)Relative Humidity (%)-22V o u t i n A i r (m V )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:86 755-852589008. 传感器的检测方法(1) 试验装置试验装置的简图如下(注意事项) ① 试验槽·试验槽材质必须是不产生燃气和不附着燃气,比如金属或者玻璃为好。
日本NEMOTO工业级气体传感器选型表(英文)-深国安气体检测仪独家提供

Nemoto Industrial Gas Sensors・Catalytic type・Electrochemical type深圳市深国安电子科技有限公司●Industrial electrochemical sensorModel Detected gasRemarks1 NE-CO Compatible with 4 series sensor of City Tech.2 NE-CO-P COFlat type, direct soldering3 NE-H2S Standard type, 0 – 100ppm, 500nA/ppm4 NE-H2S-100 0 – 100ppm, compatible with City’s, 700nA/ppm5 NE-H2S-200* 0 – 200ppm, 500nA/ppm6 NE-H2S-500* 0 – 500ppm, 200nA/ppm7 NE-H2S-P H 2SFlat type, direct soldering, 500nA/ppm 8 NE-NH3Standard type, 0 – 100ppm 9 NE-NH3-1000* 0 – 1,000ppm 10 NE-NH3-5000*NH 3 0 – 5,000ppm11 NE-NO2 Standard type, 0 – 20ppm 12 NE-NO2-PNO 2 Flat type, direct soldering* : Since basic characteristics are the same as standard type, detailed information of them are not described one by one in this general information.●Industrial pellistorModel Detected gas Remarks1 NC-170 2.0V – 170mA, matched pair type2 NC-170S 2.0V – 170mA, single header type3 NC-300 2.0V – 300mA, matched pair type4 NC-300S 2.0V – 300mA, single header type5 NC-180 2.6V – 170mA, matched pair type6 NC-180S General combustible gases 2.6V – 170mA, single header type7 NC-180S-H Hydrogen 1.6V – 140mA, single header type8 NC-180S-N Ammonia 2.2V – 150mA, single header type9 NC-180-H Hydrogen 1.6V – 140mA, matched pair type 10 NC-180-A Acetylene 2.0V – 170mA, matched pair type 11 NC-180-N Ammonia2.2V – 150mA, matched pair type 12 NC-50S 4.25V – 50mA, single header type 13 NC-70S General combustible gases3.0V – 75mA, single header type深圳市深国安电子科技有限公司NE-CO gas sensor is an industrial type CO gas sensor, and since its signal is larger than domestic type, minimum detection level is lower than domestic type, additionally it is superior on selectivity and resistivity to residential type. And then, since gas response speed is fairly fast, it is in compliance with most of world-widely industrial standards, and it is also applicable for wider fields.・ CharacteristicsFig. Shape and dimensionFig. Structure of NE-COFig. Recommended circuit diagram( Body color : Light green ) Items CharacteristicsDetected gas conc. CO0~2000ppmOutput current 70±15nA/ppm of CORepeatability Less than ±2%Response time T90 : less than 30sec.Zero offset drift Less than 10ppm(-20-50℃)Temperature -20~+50℃Humidity 15~90%RHNE-CO-P is an industrial CO gas sensor like NE-CO, since the shape is flat as the same as domestic NAP-505, and it can be directly soldered on the PCB. However the various resistivity and features are almost the same as NE-CO. It is also in compliance with world-wide standards, and available for a lot of applications.・Characteristics and ratingsItems Characteristics,ratings Detected gas conc. CO0~1000ppmOutput current 40±10nA/ppm of CO Repeatability Less than ±2%Response time T90 : less than 30sec.Zero offset drift Less than 10ppm(-20-50℃) Temperature -20~+50℃Humidity 15~90%RHPressure range 0.9 – 1.1atmGuaranteed life time 2 yearsStorage conditions 0 – 20℃ is recommended Zero offset drift Less than 5ppm・Typical applicationWearable, handheld or portable CO gas alarm( Body color : Light green )NE-H2S is a hydrogen sulfide gas sensor for industrial applications, and 3 types except standard type (H2S-100, H2S-200 and H2S-500) are also available as described in the next page. The most suitable type can be easily selected according to the applications. Output current is fairly large, it means that it can detect fairly low concentration of hydrogen sulfide, and additionally, since it has excellent selectivity, resistivity and responsibility, it is applicable in wide applications.・CharacteristicsItems FeaturesDetected gas conc. H 2S 0~100ppm Output current 500±100nA/ppm of H2S Repeatability Less than ±2% Response time T90 : less than 30sec. Zero offset drift Less than 1ppm(-20-50℃)Temperature -20~+50℃ Humidity15~90%RHFig. Structure of NE-H2SFig. Structure of NE-H2S Fig. Gas sensitivity characteristics of NE-H2S ( Body color : Yellow )NE-H2S-100, 200, 500Structure, shape, and body color of them are completely the same as NE-H2S standardtype, then sensitivity characteristics of them are shown as below.・NE-H2S-100Items Features Detected gas concentration H2S0~100ppmOutput current 700±150nA/ppmRepeatability Less than ±2%Response time T90 : less than 30sec.Zero offset drift Less than 1ppm(-20-50℃)Temperature -20~+50℃Humidity 15~90%RH・NE-H2S-200Items Features Detected gas concentration H2S0~200ppmOutput current 500±100nA/ppmRepeatability Less than ±2%Response time T90 : less than 30sec.Zero offset drift Less than 1ppm(-20-50℃)Temperature -20~+50℃Humidity 15~90%RH・NE-H2S-500Items Features Detected gas concentration H2S0~500ppmOutput current 200±50nA/ppm of H2SRepeatability Less than ±2%Response time T90 : less than 20sec.Zero offset drift Less than 3ppm(-20-50℃)Temperature -20~+50℃Humidity 15~90%RH深圳市深国安电子科技有限公司NE-H2S-PNE-H2S-P is an industrial H2S gas sensor like NE-H2S, since the shape is flat as the same as domestic NAP-505, it can be directly soldered on PCB. However the various resistivity and features are almost the same as NE-H2S. It is also in compliance with world-wide standards, and available for a lot of applications.・Characteristics and ratingsItems Characteristics, ratingsDetected gas conc. H2S 0~100ppm Output current 120±20nA /ppm of H2S Repeatability Less than ±2% Response time T90 : less than 20sec. Zero offset drift Less than 2ppm(-20-50℃)Temperature -20~+50℃ Humidity 15~90%RH Pressure range 0.9 – 1.1atmGuaranteed life time 2 yearsStorage conditions 0 – 20℃ is recommended Zero offset driftLess than 1ppm・Typical applicationWearable, Handheld or portable H2S gas alarm( Body color : Yellow )NE-NH3NE-NH3 is a newly developed ammonia gas sensor for industrial application. 2 more types except standard are also available for higher concentration in the next page. It is very stable in normal circumstance for more than 6 months, and can detect ammonia with excellent accuracy without reduction of sensitivity. Additionally, since it is applicable in exceedingly low temperature, it is available for many applications.・CharacteristicsItems FeaturesDetected gas conc. NH 3 0~100ppm Output current 40±12nA /ppm Repeatability Less than ±10% Response speed T90 : less than 90sec. Zero offset drift Less than 15ppm(-30-50℃)Temperature -40~+50℃ Humidity15~90%RHFig. Structure of NE-NH3Fig. Recommended circuit diagram Fig. Gas concentration characteristics ( Body color : Violet )NE-NH3-1000, 5000Structure, shape, and body color of them are completely the same as NE-NH3 standardtype, then sensitivity characteristics of them are shown as below.・NE-NH3-1000Items Features Detected gas concentration NH30~1,000ppmOutput current 8±4nA/ppmRepeatability Less than ±10%Response speed T90 : less than 120sec.Zero offset drift Less than 75ppm(-30-50℃)Temperature -40~+50℃Humidity 15~90%RH・NE-NH3-5000Items Features Detected gas concentration NH30~5,000ppmOutput current 4±2nA/ppmRepeatability Less than ±10%Response speed T90 : less than 150sec.Zero offset drift Less than 150ppm(-30-50℃)Temperature -40~+50℃Humidity 15~90%RHNT-NO2NE-NO2 is a newly developed NO2 gas sensor. Since the output current is fairly large, it can detect the low concentration of NO2 with good accuracy. Additionally, as it has very excellent repeatability, long term stability, selectivity and resistivity, it is useful in many applications.・CharacteristicsItems Features Detected gas conc.NO 2 0~20ppm Output current 600±150nA /ppm(Contrary signal to other models) Repeatability Less than ±2% Response time T90 : less than 25sec. Zero offset drift Less than 0.2ppm(-20-50℃)Temperature -20~+50℃ Humidity15~90%RHFig. Structure of NE-NO2NE-NO2-PNE-NO2-P is an industrial NO2 gas sensor like NE-NO2, since the shape is flat as the same as domestic NAP-505, it can be directly soldered on PCB. However the various resistivity and features are almost the same as NE-NO2. It is also in compliance with world-wide standards, and available for a lot of applications.・Characteristics and ratingsItems Characteristics,ratings Detected gas conc. NO20~20ppmOutput current 150±30nA/ppm of NO2 Repeatability Less than ±2%Response time T90 : less than 25sec.Zero offset drift Less than 0.5ppm (-20-50℃) Temperature -20~+50℃Humidity 15~90%RHPressure range 0.9 – 1.1atmGuaranteed life time 2 yearsStorage conditions 0 – 20℃ is recommended Zero offset drift Less than 0.5ppm Notice)Output signal is generated to contrary side toNC-170NC-170 gas sensor is a matched pair type for industrial use, and it has been already available in many customers for fixed applications. Since this type does not meet the structure of explosion proof by itself, it has to be installed in the approved body by ATEX, CSA or etc.●Ratings, dimensions, shape●Standard sensitivity and zero offset in air13 – 18mV/10%LEL of methane, -25 to +25mV in zero offset in air●Relative sensitivityGases LEL R. S. Gases LEL R. S.1 Methane 5.00% 100 11Acetylene 2.50 -2 Propane 2.20 90 12CO 12.50 1153 n-Butane 1.80 80 13Acetone 2.60 754 n-Pentane 1.40 80 14MEK 1.90 555 n-Hexane 1.20 80 15Toluene 1.20 606 n-Heptane 1.05 65 16Ethyl acetate 2.20 757 n-Octane 0.95 60 17Hydrogen 4.00 1308 Methanol 6.70 125 18Ammonia 15.00 140809 Ethanol 3.30 85 19Gasoline Pb free 1.2010 IPA 2.20 75 20Ethylene 2.70 95* : 「-」means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to methane is 100.NC-300 gas sensor is a matched pair type for industrial use like NC-170, and it hasbeen already available in many customers for fixed applications. Since this type doesnot meet the structure of explosion proof by itself, it has to be installed in the approvedbody by ATEX, CSA or etc.●Ratings, shape, dimensions11 – 16mV/10%LEL of methane, -30 to +30mV in zero offset in air●Relative sensitivityR.S.Gases LELR.S. Gases LEL1 Methane 5.00% 100 11Acetylene 2.50 -2 Propane 2.20 75 12CO 12.50 1103 n-Butane 1.80 70 13Acetone 2.60 604 n-Pentane 1.40 70 14MEK 1.90 455 n-Hexane 1.20 65 15Toluene 1.20 606 n-Heptane 1.05 55 16Ethyl acetate 2.20 607 n-Octane 0.95 50 17Hydrogen 4.00 1108 Methanol 6.70 100 18Ammonia 15.00 130659 Ethanol 3.30 70 19Gasoline Pb free 1.2010 IPA 2.20 60 20Ethylene 2.70 85* : 「-」means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to methane is 100.available in many customers for fixed applications. This type has a simplified explosionproof structure, however it is recommended that it is installed in the approved body by ATEX, CSA or etc.●Ratings, shape, dimensions27– 37mV/10%LEL of methane, -30 to +30mV in zero offset in air●Relative sensitivityR.S.R.S. Gases LEL Gases LEL1 Methane 5.00% 100 11Acetylene 2.50 -2 Propane 2.20 90 12CO 12.50 1153 n-Butane 1.80 80 13Acetone 2.60 754 n-Pentane 1.40 80 14MEK 1.90 555 n-Hexane 1.20 80 15Toluene 1.20 606 n-Heptane 1.05 65 16Ethyl acetate 2.20 757 n-Octane 0.95 60 17Hydrogen 4.00 1308 Methanol 6.70 125 18Ammonia 15.00 140809 Ethanol 3.30 85 19Gasoline Pb free 1.2010 IPA 2.20 75 20Ethylene 2.70 95* : 「-」means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to methane is 100.been already available in many customers for fixed applications. This type has a simplified explosion proof structure, however it is recommended that it is installed inthe approved body by ATEX, CSA or etc.●Ratings, shape, dimensions23– 33mV/10%LEL of methane, -30 to +30mV in zero offset in air●Relative sensitivityR.S.R.S. Gases LEL Gases LEL1 Methane 5.00% 100 11Acetylene 2.50 -2 Propane 2.20 75 12CO 12.50 1103 n-Butane 1.80 70 13Acetone 2.60 604 n-Pentane 1.40 70 14MEK 1.90 455 n-Hexane 1.20 65 15Toluene 1.20 606 n-Heptane 1.05 55 16Ethyl acetate 2.20 607 n-Octane 0.95 50 17Hydrogen 4.00 1108 Methanol 6.70 100 18Ammonia 15.00 130659 Ethanol 3.30 70 19Gasoline Pb free 1.2010 IPA 2.20 60 20Ethylene 2.70 85* : 「-」means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to methane is 100.NC-180 gas sensor is a matched pair type for industrial use, and it has been already available also in many customers for fixed applications. Since this type does not meetthe structure of explosion proof by itself, it has to be installed in the approved body by ATEX, CSA or etc.●Ratings, dimensions, shape●Relative sensitivityGases LEL R. S. Gases LEL R. S.1 Methane 5.00% 100 11Acetylene 2.50 -2 Propane 2.20 75 12CO 12.50 1103 n-Butane 1.80 70 13Acetone 2.60 604 n-Pentane 1.40 70 14MEK 1.90 505 n-Hexane 1.20 70 15Toluene 1.20 606 n-Heptane 1.05 60 16Ethyl acetate 2.20 607 n-Octane 0.95 55 17Hydrogen 4.00 1108 Methanol 6.70 100 18Ammonia 15.00 135609 Ethanol 3.30 70 19Gasoline Pb free 1.2010 IPA 2.20 60 20Ethylene 2.70 90* : 「-」means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to methane is 100.NC-180S gas sensor is a single header type for industrial use like NC-170S, and it hasbeen already available in many customers for fixed applications. This type has a simplified explosion proof structure, however it is recommended that it is installed inthe approved body by ATEX, CSA or etc. .●Ratings, shape, dimensions28– 40mV/10%LEL of methane, -30 to +30mV in zero offset in air●Relative sensitivityGases LEL R. S. Gases LEL R. S.1 Methane 5.00% 100 11Acetylene 2.50 -2 Propane 2.20 75 12CO 12.50 1103 n-Butane 1.80 70 13Acetone 2.60 604 n-Pentane 1.40 70 14MEK 1.90 505 n-Hexane 1.20 70 15Toluene 1.20 606 n-Heptane 1.05 60 16Ethyl acetate 2.20 607 n-Octane 0.95 55 17Hydrogen 4.00 1108 Methanol 6.70 100 18Ammonia 15.00 135609 Ethanol 3.30 70 19Gasoline Pb free 1.2010 IPA 2.20 65 20Ethylene 2.70 90* : 「-」means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to methane is 100.application, and it has been already available in many customers for fixed applications.This type has a simplified explosion proof structure, however it is recommended that itis installed in the approved body by ATEX, CSA or etc.●Ratings, shape, dimensions35– 50mV/10%LEL of hydrogen, -30 to +30mV in zero offset in air●Relative sensitivityGases LEL R. S. Gases LEL R. S.1 Methane 5.00% 0 11Acetylene 2.50 -2 Propane 2.20 0 12CO 12.50 1153 n-Butane 1.80 0 13Acetone 2.60 454 n-Pentane 1.405 14MEK 1.90 455 n-Hexane 1.20 10 15Toluene 1.20 706 n-Heptane 1.05 30 16Ethyl acetate 2.20 101007 n-Octane 0.95 20 17Hydrogen 4.008 Methanol 6.70 100 18Ammonia 15.00 120109 Ethanol 3.30 40 19Gasoline Pb free 1.2010 IPA 2.20 45 20Ethylene 2.70 65* : 「-」means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to hydrogen is 100.application, and it has been already available in many customers for fixed applications.This type has a simplified explosion proof structure, however it is recommended that itis installed in the approved body by ATEX, CSA or etc.●Ratings, shape, dimensions●Relative sensitivityGases LEL R. S. Gases LEL R. S.1 Methane 5.00% 0 11Acetylene 2.50 -2 Propane 2.20 20 12CO 12.50 203 n-Butane 1.80 30 13Acetone 2.60 604 n-Pentane 1.40 40 14MEK 1.90 505 n-Hexane 1.20 45 15Toluene 1.20 506 n-Heptane 1.05 40 16Ethyl acetate 2.20 507 n-Octane 0.95 35 17Hydrogen 4.00 75100 8 Methanol 6.70 80 18Ammonia 15.00359 Ethanol 3.30 55 19Gasoline Pb free 1.2010 IPA 2.20 50 20Ethylene 2.70 60* : 「-」means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to ammonia is 100.application, and it has been already available also in many customers for fixed applications. Since this type does not meet the structure of explosion proof by itself, ithas to be installed in the approved body by ATEX, CSA or etc.●Ratings, dimensions, shape10 – 20mV/10%LEL of hydrogen, -30 to +30mV in zero offset in air●Relative sensitivityGases LEL R. S. Gases LEL R. S.1 Methane 5.00% 0 11Acetylene 2.50 -2 Propane 2.20 0 12CO 12.50 1103 n-Butane 1.80 0 13Acetone 2.60 404 n-Pentane 1.405 14MEK 1.90 405 n-Hexane 1.20 10 15Toluene 1.20 556 n-Heptane 1.05 25 16Ethyl acetate 2.20 101007 n-Octane 0.95 15 17Hydrogen 4.008 Methanol 6.70 95 18Ammonia 15.00 115159 Ethanol 3.30 35 19Gasoline Pb free 1.2010 IPA 2.20 40 20Ethylene 2.70 65* : 「-」means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to hydrogen is 100.it has been already available also in many customers for fixed applications. Since thistype does not meet the structure of explosion proof by itself, it has to be installed in theapproved body by ATEX, CSA or etc.●Ratings, dimensions, shape●Relative sensitivityGases LEL R. S. Gases LEL R. S.1001 Methane 5.00% 0 11Acetylene 2.502 Propane 2.20 25 12CO 12.50 1103 n-Butane 1.80 35 13Acetone 2.60 854 n-Pentane 1.40 55 14MEK 1.90 755 n-Hexane 1.20 65 15Toluene 1.20 706 n-Heptane 1.05 60 16Ethyl acetate 2.20 707 n-Octane 0.95 55 17Hydrogen 4.00 1308 Methanol 6.70 130 18Ammonia 15.00 165659 Ethanol 3.30 90 19Gasoline Pb free 1.2010 IPA 2.20 80 20Ethylene 2.70 95* : R.S. (relative sensitivity) is described in case that sensitivity to acetylene is 100.深圳市深国安电子科技有限公司and it has been already available also in many customers for fixed applications. Sincethis type does not meet the structure of explosion proof by itself, it has to be installed inthe approved body by ATEX, CSA or etc.●Ratings, dimensions, shape●Standard sensitivity and zero offset in air15 – 25mV/10%LEL of ammonia, -30 to +30mV in zero offset in air●Relative sensitivityGases LEL R. S. Gases LEL R. S.1 Methane 5.00% 10 11Acetylene 2.50 -2 Propane 2.20 20 12CO 12.50 853 n-Butane 1.80 40 13Acetone 2.60 604 n-Pentane 1.40 55 14MEK 1.90 455 n-Hexane 1.20 60 15Toluene 1.20 406 n-Heptane 1.05 50 16Ethyl acetate 2.20 607 n-Octane 0.95 45 17Hydrogen 4.00 110100 8 Methanol 6.70 100 18Ammonia 15.00509 Ethanol 3.30 70 19Gasoline Pb free 1.2010 IPA 2.20 60 20Ethylene 2.70 70* : 「-」means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to ammonia is 100.already available also in many customers for handheld, wearable or portable applications. Since this type has a simplified explosion proof structure, however it is recommended that it is installed in the approved body by ATEX, CSA or etc.●Ratings, dimensions, shape●Standard sensitivity and zero offset in air 60 – 110mV/10%LEL of methane-20 to +20mV in zero offset in air (Zero offset compensated resister is required.) ●Relative sensitivityGasesLEL R. S. Gases LELR. S. 1 Methane 5.00% 100 11Acetylene 2.50 -2 Propane 2.20 90 12CO 12.50 1603 n-Butane 1.80 90 13Acetone 2.60 1104 n-Pentane 1.40 85 14MEK 1.90 90 5 n-Hexane 1.20 80 15Toluene 1.20 90 6n-Heptane1.05 7516Ethyl acetate 2.20 90 7 n-Octane 0.95 70 17Hydrogen 4.00 150 8 Methanol 6.70 160 18Ammonia15.00 130 9 Ethanol 3.30 120 19Gasoline Pb free1.20 7010 IPA2.20110 20Ethylene2.70130* : 「-」 means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to methane is 100.already available also in many customers for handheld, wearable or portable applications. Since this type has a simplified explosion proof structure, however it is recommended that it is installed in the approved body by ATEX, CSA or etc.●Ratings, dimensions, shape●Standard sensitivity and zero offset in air 50 – 80mV/10%LEL of methane-20 to +20mV in zero offset in air (Zero offset compensated resister is required.) ●Relative sensitivityGasesLEL R. S. Gases LELR. S. 1 Methane 5.00% 100 11Acetylene 2.50 -2 Propane 2.20 80 12CO 12.50 1603 n-Butane 1.80 75 13Acetone 2.60 954 n-Pentane 1.40 70 14MEK 1.90 705 n-Hexane 1.20 70 15Toluene 1.20 80 6n-Heptane1.05 6516Ethyl acetate 2.20 80 7 n-Octane 0.95 60 17Hydrogen 4.00 140 8 Methanol 6.70 150 18Ammonia15.00 150 9 Ethanol 3.30 100 19Gasoline Pb free1.20 7510 IPA2.2090 20Ethylene2.70110* : 「-」 means that it is not a detected gas.** : R.S. (relative sensitivity) is described in case that sensitivity to methane is 100.。
ME4-H2S硫化氢气体传感器说明书

硫化氢气体传感器(型号:ME4-H2S)使用说明书版本号:1.2实施日期:2014-05-01郑州炜盛电子科技有限公司Zhengzhou Winsen Electronic Technology Co., Ltd声明本说明书版权属郑州炜盛电子科技有限公司(以下称本公司)所有,未经书面许可,本说明书任何部分不得复制、翻译、存储于数据库或检索系统内,也不可以电子、翻拍、录音等任何手段进行传播。
感谢您使用炜盛科技的系列产品。
为使您更好地使用本公司产品,减少因使用不当造成的产品故障,使用前请务必仔细阅读本说明书并按照所建议的使用方法进行使用。
如果用户不依照本说明书使用或擅自去除、拆解、更换传感器内部组件,本公司不承担由此造成的任何损失。
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因此,本公司保留任何产品改进而不预先通知的权力。
使用本说明书时,请确认其属于有效版本。
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郑州炜盛电子科技有限公司ME4-H2S 硫化氢传感器产品描述ME4-H2S硫化氢传感器是定电位电解型传感器,硫化氢和氧气在工作电极和对电极发生相应的氧化还原反应并释放电荷形成电流,电流大小与硫化氢浓度成正比,通过测试电流大小即可判定硫化氢浓度的高低。
传感器特点低功耗、高精度、高灵敏度、线性范围宽、抗干扰能力强、优异的重复性和稳定性。
主要应用广泛适合工业、矿下及环保领域硫化氢的检测。
技术指标表1项目参数检测气体硫化氢(H2S)量程0~100ppm最大测量限500ppm灵敏度(0.8±0.15)µA/ppm分辨率0.1ppm响应时间(T90)<30S偏压0mV负载电阻(推荐)10Ω重复性<2﹪输出值稳定性(/月)<2﹪输出线性度线性零点漂移(-20℃~40℃)≤0.2ppm温度范围-20℃~50℃湿度范围15﹪~90﹪RH压力范围标准大气压±10﹪使用寿命2年(空气中)基本电路图2: ME4-H 2S 测试电路图3:传感器的灵敏度、响应恢复情况 图4:传感器线性曲线图5: 不同温度下传感器的输出情况 图6:传感器在不同温度条件下的零点输出 051015202530354045500100200300输出信号/μA时间/s 0%20%40%60%80%100%120%-40-200204060输出信号/20℃%温度/℃-0.100.000.100.200.300.400.500.600.70-5050输出信号/p p m 温度/℃10203040506070020406080100120输出信号/μA浓度/ppm交叉干扰特性ME4-H2S传感器对除目标气体外的其它气体也产生响应。
硫化氢电化学传感器精选 课件

实验部分
基本性能 测试
������2S 气体传感器在 不同体积分数下的
气体响应曲线
线性测试
电流转换成电压输 出
温度测试
输出电压与气体体 积分数是线性相关
几种特定统计工具对传感器性能进行研究
• 先判断数据是否服从正态分布, 按照“统计 →基本统计量 → 正态性检验”来操 作, 从绘制出的概率图中可以获得一个 P 值, 若 P > 0.05, 则数据服从正态分布.
气体反应传感器采用电化学式H2S气敏传感器ME3,用来采集气
体信号,通过I/V转换,而后经过放大电路放大,输入给A/D (模拟数字转换器),经A/D转换后再进行处理。
电极反应过程如下:
工作电极������2S+4������2O=H2SO4+8H++8e−;
对电极为 8H++2O2+8e−=4H2O;
意义
H2S 是一种无色、 易燃、 有臭鸡蛋味的气体, 作为一种剧毒性物质, 对人体具有 一定的危害性, 因此监测 H2S 的浓度对人体健康有着重要意义.
选用统一的检测工具对传感器进行评估意义重大. 六西格玛统计工具能够运用界 定、 测量、 分析、 改进和控制模式, 对传感器性能进行有效评估, 使传感器的评 估过程更标准化和流程化, 并能结合相关资源提高企业的盈利水平及竞争能力。
六西格玛(Six Sigma,6 Sigma)是一种管理策略,它是由摩托罗拉提出的。这 种策略主要强调制定极高的目标、收集数据以及分析结果,通过这些来减少产品 和服务的缺陷。六西格玛背后的原理就是如果你检测到你的项目中有多少缺陷, 你就可以找出如何系统地减少缺陷,使你的项目尽量完美的方法。
H2S模块硫化氢传感器模块

硫化氢H2S气体检测模块
电化学气体变送模块是一款专门为OEM客户
设计制作的产品,这款模块采用进口电化学气体传
感器,经过标定调较之后,可以用于测量几十种气
体,包括诸如:O2、CO、H2S、CL2、SO2、O3等,
满足了用户对低成本、嵌入式的OEM设计要求,极
大的方便了用户的使用。
模块特点:
1:断电后可以自动短接参考极和工作极,保护传
感器的寿命。
2:傻瓜式两线制接线方式,接线人员不用考虑电
源的正负,接反了也能正常工作。
3:模块性能稳定可靠,具有过压和过流保护。
H2S模块硫化氢传感器模块技术参数:
传感器:电化学
测量范围:0~50、100ppm、500ppm、1000 ppm 、2000ppm
分辨率:0.001ppm(0~10 ppm);0.01ppm(0~100 ppm);0.1ppm(0~1000 ppm);1ppm (0~2000 ppm)
响应时间:≤20秒
工作模式:连续工作
工作电压:DC12~36V(一般是按照DC24V来设置)
输出电流:4-20mA(也可直接输出继电器开关量)
输出方式:4~20mA ,40~200mV,RS485
温度范围:-20℃~50℃
湿度范围:0 ~95%(RH)无冷凝
外形尺寸:44×44mm
H2S模块硫化氢传感器模块特点:
1:断电后可以自动短接参考极和工作极,保护传感器的寿命。
2:傻瓜式两线制接线方式,接线人员不用考虑电源的正负,接反了也能正常工作。
3:模块性能稳定可靠,具有过压和过流保护。
h2s电化学探头的保存

h2s电化学探头的保存H2S电化学探头是一种用于检测硫化氢(H2S)气体浓度的传感器,广泛应用于环境监测、工业安全和生命科学等领域。
为了确保H2S电化学探头的长期稳定性和精确性,正确的保存方法是至关重要的。
首先,H2S电化学探头应该存放在干燥通风的地方,避免长时间暴露在高湿度和高温的环境中。
湿度过高可能导致探头的电极表面受潮,进而影响传感器的响应速度和准确性。
温度过高则可能导致传感器部件的老化和损坏。
因此,建议将H2S电化学探头储存在温度适宜且气候稳定的环境中。
为了保护H2S电化学探头的传感器部分和相关电路,可以选择将其放置在密封的塑料袋或密封容器中。
这样可以防止尘土、液体和其他污染物进入探头内部造成损坏。
同时,也要避免探头之间的接触和碰撞,以免产生微小的损伤。
另外,H2S电化学探头具有一定的使用寿命,通常需要定期更换。
在不使用探头时,建议将其连接线拔下,以免长时间电流通过传感器。
这样可以延长探头的使用寿命,并避免电极表面的氧化。
对于需要在现场常备备用探头的情况,可以考虑使用特殊的探头保护盒。
这种保护盒可以提供额外的保护层,保护探头免受机械冲击和外部环境的影响。
当需要更换探头时,只需打开保护盒,方便快捷。
此外,定期校准和维护也是保持H2S电化学探头性能稳定的重要步骤。
根据厂家提供的指导,校准仪器以确保其测量结果的准确性。
同时,根据使用情况和厂家建议的频率,进行探头的清洁和维护。
清洁探头的电极和表面可以去除表面污垢和氧化物的积累,恢复探头的敏感性。
在使用过程中,如果发现H2S电化学探头的响应速度明显降低、读数不稳定或超出预期范围,应该及时联系厂家或专业人员进行维修和更换。
注意及时更换探头,并遵循厂家提供的使用和维护指南,以确保H2S电化学探头的长期稳定性和准确性。
总结起来,保存H2S电化学探头的关键是保持干燥、稳定的环境,进行适当的保护和维护,定期校准和更换。
这样可以确保探头的性能稳定和准确,提高其在实际应用中的可靠性和可用性。
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技术资料电气化学式硫化氢气体传感器NE-H2S系列(NE-H2S, NE-H2S-100, NE-H2S-200, NE-H2S-500) 工业用途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.com1. 概述 Nemoto NE 系 列 传 感 器 是 用 于 工 业 用 途 的 传 感 器 .NE-H2S, NE-H2S-100, NE-H2S-200 和 NE-H2S-500 是 用 于 检 测 硫 化 氢 的 气 体 传 感 器 . 外 形 , 脚 位 和 基 本 特 性 与 其 他 型 号 兼 容,尤其是 NE-H2S-100 在基本特性等方面的兼容度非常高。
另外,这些传感器与其他 传感器相比具有更好的稳定性,重复再现性,耐用性和可靠性,而价格具有竞争力。
特性和应用描述如下。
2. 检测原理 电化学式气体传感器由根据发生氧化反应的检知电极,与此同时发生还原反应的对向电极和用 来监视和平衡持续电压的参照电极组成。
下图是电化学式传感器NE-H2S的结构, 硫化氢气体通 过传感器的隔膜扩散进入工作电极,在工作电极端产生氧化。
因此反应产生的质子进入对向电 极,在电解液中与溶解氧发生反应变成水。
整个反应过程如上。
硫化氢气体浓度与通过连续反 应成产生的电流成比率关系。
3. 特性 快速反应 良好选择性和重复性 良好线性输出和稳定性 高可靠性和使用寿命 高温高湿环境下良好的耐用性 4. 检测气体 硫化氢 5. 用途 工业H2S气体浓度显示计 用于工业设备的H2S气体报警器 手持式H2S气体泄露检测仪 环境监测设备 6. 尺寸和外观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外壳材枓 壳体颜色 重量PPO 黄色 约5克 图1 NE-H2S的外观和尺寸 (其他H2S系列与上面相同)7. 额定值 1) 使用时周围温湿度 2) 贮存时推荐的周围温湿度 3) 使用时压力范围 4) 检测范围 型号 温度 : -20 - +50 攝氏度 湿度 : 15 – 90%RH 温度 : 0 – 20 攝氏度 湿度 : 15 – 90%RH 0.9 – 1.1 atm 检测范围 最大负荷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.comNE-H2S NE-H2S-100 NE-H2S-200 NE-H2S-500 5) 推荐的载荷电阻0 – 100ppm 0 – 100ppm 0 – 200ppm 0 – 500ppm500ppm 500ppm 1,000ppm 2,000ppm 10 ohm8. 规格参数 1) 输出信号(20 攝氏度时) NE-H2S NE-H2S-100(标准型号) NE-H2S-200 NE-H2S-500 2) 反应时间(T90) 3) 同一天的重复再现性 4) 年零点偏移值 NE-H2S, 100 和 200 NE-H2S-500 500 +/- 100nA/ppm.H2S 700 +/- 150nA/ppm.H2S 500 +/- 100nA/ppm.H2S 200 +/- 50nA/ppm.H2S 小于30秒. 小于+/- 2% 小于1ppm硫化氢 小于2ppm硫化氢 小于1ppm硫化氢 小于3ppm硫化氢 小于10%/年 24个月 小于6个月5) 零点偏移的温度依赖性 NE-H2S, 100 和 200 NE-H2S-500 6) 长期灵敏度衰减性 7) 保证寿命 8) 建议贮存时间 9. 电气特性 9-1. 典型气体灵敏度9-2. 交叉灵敏度图2 : NE-H2S系列的气体灵敏度 表格1 : NE-H2S系列的交叉灵敏度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检测气体 硫化氢 一氧化碳 二氧化碳 氢气 氯气 二氧化硫 氧化在氮 甲烷 氨气 二氧化氮 乙烯 *曝光时间 *相应灵敏度 (H2S是100的相应灵敏度) NE-H2S, NE-H2S-200 100 小于2 0 小于1 0 小于13 小于5 0 0 -20 约0 30 秒 NE-H2S-100 100 小于3 0 小于1 0 小于20 小于4 0 0 -30 约0 NE-H2S-500 100 小于5 0 小于2 0 小于23 小于3 0 0 -30 约09-3. 温度依赖性图3 : NE-H2S的的典型温度系数 (100 在20 攝氏度时)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.comTypical图4 : NE-H2S-100, NE-H2S-200的温度依赖性Typical图5 : NE-H2S-500的温度依赖性 9-4. 反应和回复特性图g.6 : NE-H2S的反应和回复特性 (20攝氏度时)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.com9-6. 长期稳定性 常规环境下3年时间内都非常稳定.图7 : 常规环境NE-H2S的长期稳定性 10. 耐用性 NE-H2S在如高温高湿或高温干燥等严格环境下非常耐用. 特性描述如下. 10-1. 高温耐用性图8 : 高温干燥环境下的耐用性(80攝氏度) 10-2. 高温高湿耐用性图9 : 高温高湿环境下的耐用性(60攝氏度 90%RH)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.com10-3. 低温耐用性图10 : 低温耐用性(-20攝氏度) 10-4. 热冲击实验 测试条件 传感器分別在零下-20攝氏度的环境下和50攝氏度的环境下贮存30分钟, 重复循环10次. 表格3. 热冲击实验 测试后(micro A)空气中零点漂移100ppm H2S的灵敏度测试前(micro A) No. 1 2 3 4 5空气中零点漂移灵敏度变化比率100ppm H2S的灵敏度(%) 100.0 99.8 99.8 99.6 100.20.01 0.01 0.01 0.01 0.0156.2 54.1 56.9 54.3 55.80.02 0.03 0.03 0.03 0.0256.2 54.0 56.8 54.1 55.910-5. 落地实验 测试条件 传感器从1米高处自由落体跌落至混凝土地板5次. 表格4. 落地实验 测试后(micro A)空气中零点漂移100ppm H2S的灵敏度测试前(micro A) No. 1 2 3空气中零点漂移灵敏度变化比率100ppm H2S的灵敏度(%) 100.2 99.8 100.40.03 0.03 0.0255.4 56.5 54.70.03 0.03 0.0455.5 56.4 54.910-6. 干扰气体下的暴露实验 A. SO2气体暴露实验 测试条件 常温常湿环境中在500ppm的二氧化硫下传感器暴露2小时。
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表格5. SO2气体暴露实验 测试前(micro A) 测试后(micro A) No. 1 2 3 4 5空气中零点漂移100ppm H2S的灵敏度灵敏度变化比率空气中零点漂移100ppm H2S的灵敏度(%) 100.0 100.2 100.9 100.9 99.80.00 0.00 0.00 0.00 0.0055.4 56.1 54.1 58.1 54.10.02 0.02 0.03 0.03 0.0355.4 56.2 54.6 58.6 54.0B. 氨气暴露实验 测试条件 常温常湿环境中在200ppm的氨气下传感器暴露2小时。
表格6. 氨气暴露实验 测试后(micro A)空气中零点漂移100ppm H2S的灵敏度测试前(micro A) No. 1 2 3 4 5空气中零点漂移灵敏度变化比率100ppm H2S的灵敏度(%) 98.8 98.4 98.0 98.5 98.40.02 0.02 0.02 0.02 0.0256.1 57.0 55.2 59.0 55.00.00 0.00 0.00 0.00 0.0055.4 56.1 54.1 58.1 54.1C. NO2气体暴露实验 测试条件 常温常湿环境中在50ppm的二氧化氮气体下传感器暴露2小时。
表格7. NO2气体暴露实验 测试前(micro A) 测试后(micro A) No. 1 2 3 4 5空气中零点漂移100ppm H2S的灵敏度灵敏度变化比率空气中零点漂移100ppm H2S的灵敏度(%) 100.4 101.3 100.9 99.6 101.50.00 -0.01 0.00 -0.01 0.0054.8 55.8 53.5 58.2 53.7-0.01 0.01 0.00 0.00 0.0055.0 56.5 54.0 58.0 54.5D. 氢气暴露实验 测试条件 常温常湿环境中在500ppm的氢气下传感器暴露10小时。