MC105 Catalytic CH4 Sensor/Flammable Gas Sensor

  • • Range: 0-100%LEL combustible gas
  • • Operating voltage: 2.5±0.1V
  • • Application: Catalytic gas sensor, CH4 gas detection, combustible gas detector of mining field

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  • Principle Introduction
Principle Introduction:
MC105 adopts catalytic combustion principle, and its two arms of electric bridge consists of a test element and a compensate element. The resistance of the test element rises once it meets the combustible gases, in the same time, the output voltage of the bridge changes and the voltage variation rises in direct proportion to the gas concentration. The compensate element, as a conference, has the function of compensating temperature and humidity.
Applications :
It is widely used in industrial occasion to detect the concentration of natural gas, LPG, CO and alkanes.
It is also used in combustible gas leakage alarm system, combustible gas detector and gas concentration meter and so on.
Technical parameters :

Tips:For more parameter information, please refer to the latest manual provided by salesman.

Model MC105
Sensor Type Catalytic Type
Standard Encapsulation Plastic
Working voltage(V) 2.5±0.1
Working current(mA) 150±10
Sensitivity (mV) 1% CH4 25~50
1% C3H8 30~70
Linearity ≤5%
Measuring range(%LEL) 0~100
Response Time (90%) ≤10s
Recovery Time (90%) ≤30s
Working Environment -40~+70℃ <95%RH
Storage Environment -20~+70℃ <95%RH

Reference Circuit :

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