GM-392B MEMS H2S Hydrogen Sulfide Gas Sensor
Principle Introduction:
Strong First 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-392B | ||
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 |