• mg812 co2 sensor

MG812 Mini Size Solid Electrolyte CO2 Gas Sensor

  • • Detection Gas: CO2, carbon dioxide
  • • Detection range: CO2 300~10000PPM
  • • Usage: indoor air quality monitoring

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Principle Introduction:

MG812 gas sensor is chemical type gas sensor that adopts solid electrolyte cell principle, used to detect carbon dioxide. When sensors are exposed to CO2, battery is positive and negative electrode reaction, the sensor produces electromotive force between sensitive electrode and reference electrode, the output voltage signal can be detected carbon dioxide.

Applications :
 Air quality control,ferment process control and CO2 detection in green house.

Technical parameters :
Model No. MG812
Standard pack Metal shell
Target gas CO2
Detection range 350—10000ppmCO2
Heater voltage VH 5.0±0.1 V
Heater resistance RH 56.0±3Ω
Heater current IH 90±10mA
Heater consumption PH 450±50mW
Working temp Tao -20~50℃
Storage temp -20~70℃
Zero EM F 200-500mV
Output signal △EM F ≧25mV/1000ppmCO2
Reference Circuit :
 

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