MG-812 is a semiconductor oxide chemical sensor that uses solid electrolyte battery principles to detect CO2. When the sensor is kept at a certain working temperature and placed in a CO2 atmosphere, an electrode reaction occurs between the positive and negative electrodes of the battery, and the output signal voltage is inversely proportional to the logarithm of the CO2 concentration. A voltage change in the test signal can detect a change in the CO2 concentration.
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MG-812 is a semiconductor oxide chemical sensor that uses solid electrolyte battery principles to detect CO2. When the sensor is kept at a certain working temperature and placed in a CO2 atmosphere, an electrode reaction occurs between the positive and negative electrodes of the battery, and the output signal voltage is inversely proportional to the logarithm of the CO2 concentration. A voltage change in the test signal can detect a change in the CO2 concentration.
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 |