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ELECTROCHEMICAL GAS SENSORS
SPECIFICATION SHEET FOR HCl SENSOR TYPE HCl/M-20
HUMIDITY DEPENDENCE The baseline is virtually not depending on the relative humidity. But abrupt changes in humidity lead to a small short-term transient signal. Thereby a sudden increase in humidity leads to a negative peak.
SIDE VIEW
20 mm
CROSS-SENSITIVITY DATA Interfering Gas Concentration Cl2 CO H2 Isopropanol Ethylene SO2 H2S NO NO2 20 ppm 1000 ppm 1% vapor 100 ppm 100 ppm 20 ppm 25 ppm 20 ppm
Mean Min Max
The data contained in this document is for guidance only. Membrapor AG accepts no liability for any consequential losses, injury or damage resulting from the use of this document or the information contained within it. The data is given for guidance only. Customers should test under their own conditions, to ensure that the sensors are suitable for their own requirements.
ERISTICS Weight Position Sensitivity Storage Life Recommended Storage Temperature Warranty Period ~ 5.4 g None Six months in container 5 °C – 20 °C 12 months from date of dispatch
Miniature-Size Outline Dimensions BOTTOM VIEW Reference
90°
Sensing Counter
18 mm
13.5 mm PCD
Abrupt changes in rel. humidity causes a short term transient signal
0 – 20 ppm ND 2 years in air 400 150 nA/ppm 0.2 ppm - 20 °C to 45 °C Atmospheric No data < 40 sec 15 % to 90 % R.H. noncondensing -0.5 to +0.1 ppm ND < 2 % signal loss/month 10 - 20 Ohm Not allowed < 2 % of signal Linear < 0.7 ppm
Reading 0.4 0.3 ppm 0 ppm 0 ppm 0 ppm 0 ppm 0 ppm 31 ppm 0 ppm 0.1 ppm
5 mm Pin Projection 1.5 mm Pins on 13.5 mm PCD
Performance data conditions: 20 °C, 50% RH and 1013 mbar
Humidity dependence of the baseline
0.040 0.020 ppm (Re f. at 35% RH) 0.000 -0.020 -0.040 -0.060 -0.080 -0.100 0 10 20 30 40 50 % RH 60 70 80 90 100
Re sponse to abrupt change s in hum idity %RH: 35 -> 100 -> 35 -> 0 -> 35 0.800 0.600 0.400 0.200 ppm 0.000 -0.200 -0.400 -0.600 -0.800 0 5 10 m in 15 20 25 30
REV.: 9/2014
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深圳市深国安电子科技有限公司
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APPLICATIONS Safety and Environmental Control For Portable Gas Detectors
REV.: 9/2014
Page 1 of 2
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 电话：８６ ７５５－８５２５８９００
ELECTROCHEMICAL GAS SENSORS
SPECIFICATION SHEET FOR HCl SENSOR TYPE HCl/M-20
PERFORMANCE CHARACTERISTICS Nominal Range Maximum Overload Expected Operation Life Output Signal Resolution Temperature Range Pressure Range Pressure Coefficient T90 Response Time Relative Humidity Range Typical Baseline Range (pure air, 20°C) Maximum Zero Shift (+20°C to +40°C) Expected Long Term Output Drift Recommended Load Resistor Bias Voltage Repeatability Output Linearity Humidity Effect 1)