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 | ||
