Mems Ammonia Gas Sensors Nh3 Detector

China Mems Ammonia Gas Sensors Nh3 Detector, Find details about China Gas Sensor, Gas Detector from Mems Ammonia Gas Sensors Nh3 Detector

Model NO.
GM-802B
Sensitivity
High
Certification
CE
Customized
Customized
Sensor Type
Mems
Detection Gas
Ammonia
Detection Range
1-300ppm
Trademark
DESON
Transport Package
Cartons
Specification
1ppm~300ppm
Origin
China
Model NO.
GM-802B
Sensitivity
High
Certification
CE
Customized
Customized
Sensor Type
Mems
Detection Gas
Ammonia
Detection Range
1-300ppm
Trademark
DESON
Transport Package
Cartons
Specification
1ppm~300ppm
Origin
China

Product description

   MEMS ammonia gas sensors use MEMS technology to make micro-hot plates on Si-based substrates. The gas-sensitive materials used are metal oxide semiconductor materials with low conductivity in clean air. When there is a detected gas in the ambient air, the conductivity of the sensor changes. The higher the concentration of the gas, the higher the conductivity of the sensor. Using a simple circuit, the change in conductivity can be converted into an output signal corresponding to the gas concentration.

 

main application:
It is widely used in refrigerator gas detection, cold storage ammonia leak detection and agricultural breeding ventilation control.

 

Product model: GM-802B

Product type: MEMS ammonia gas sensor

Standard package: ceramic package

Detection gas: ammonia

Detection concentration: 1~300ppm(NH3)


Standard circuit conditions

Loop voltage VC: ≤24V DC

Heating voltage VH: 2.0V±0.1V AC or DC

Load resistance RL: adjustable


Gas sensor characteristics under standard test conditions

Heating resistance RH: 80Ω±20Ω (room temperature)

Heating power consumption PH: ≤45mW

Sensitive body resistance RS: 1KΩ~30KΩ (in 50ppmNH3)

Sensitivity S: R0(in air)/Rs(in 50ppmNH3)≥3

Concentration slope α: ≤0.9(R200ppm/R50ppmNH3)


Standard test conditions

Temperature, humidity 20ºC±2ºC; 55%±5%RH

Standard test circuit:

VH: 2.0V±0.1V;
VC: 5.0V±0.1V


Mems Ammonia Gas Sensors Nh3 Detector


Mems Ammonia Gas Sensors Nh3 DetectorMems Ammonia Gas Sensors Nh3 Detector