• GM702B MEMS

GM-602B MEMS H2S Hydrogen Sulfide Gas Sensor

  • • Detection Gas: H2S & Benzene etc
  • • Detection Range: 0.5~50ppm (H2S)
  • • Application: Portable and fixed type hydrogen sulfide monitor, and H2S detector

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Principle Introduction:
Winsen Electronics produces MEMS H2S gas sensor for Portable and fixed type hydrogen sulfide monitor, and H2S detector.
Applications :
Portable and fixed type hydrogen sulfide monitor, and H2S detector 
Technical parameters :
Part No. GM-602B
Sensor Type MEMS
Standard Encapsulation Ceramic
Detection Gas H2S & Benzene etc.
Detection Range 0.5~50ppm (H2S)
Standard Circuit Conditions Loop Voltage VC ≤24V DC
Heater Voltage VH 1.9V±0.1V AC or DC
Load Resistance RL Adjustable
Sensor character under standard test conditions Heater Resistance RH 80Ω±20Ω(room temperature)
Heater consumption PH ≤40mW
sensitive materials resistance RS 1KΩ~30KΩ(in 50ppm H2S )
Sensitivity S R0(in air)/Rs(in 50ppm H2S)≥3
Concentration Slope α ≤0.6(R200ppm/R50ppmH2S )
Standard test conditions Temp. Humidity 20℃±2℃;55%±5%RH
Standard test circuit VH:1.9V±0.1V;VC :5.0V±0.1V
Reference Circuit :
 

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