Products
Air Quality (VOC) Sensor
Application:
Indoor air quality monitoring, mobile phones, computers and other consumer electronic products to detect air qualityProduct characteristics:
Adopts MEMS technology, with a solid structure and good shock resistancePerformance
MS-GM5B gas sensors use MEMS technology to make micro-hotplates on Si-based substrates. The gas-sensitive materials used are metal oxide semiconductor materials with low conductivity in clean air. When the sensor is in a gas environment, the conductivity of the sensor changes with the concentration of the detected gas in the air. The higher the concentration of the gas, the higher the conductivity of the sensor.
Specifications
| Product model | MS-GM5B | |
| Product type | MEMS VOC gas sensor | |
| Standard packaging | Ceramic Package | |
| Detect gas | Ethanol, Formaldehyde, Toluene | |
| Detect concentration | 1ppm-500ppm | |
| Standard circuit conditions | Circuit voltage(Vc) | ≤24V DC |
| Heat voltage(VH) | 2.5V±0.1V AC or DC | |
| Load resistance(RL) | adjustable | |
| Sensor characteristics under standard testing conditions | Heating resistor(RH) | 80Ω士20Ω (room temperature) |
| Heatingpower(PH) | ≤50 mW | |
| Sensitive body resistance(RS) | 1KΩ~30KΩ(in 50ppm Ethanol) | |
| Sensitivity(S) | R0(in air)/RS(in 50ppm Ethanol)≥3.0 | |
| Concentration slope(α) | ≤0. 9(R200ppm/R50ppm Ethanol) | |
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