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Description: MQ 5 are used in gas leakage detecting equipments in family and industry, are suitable for detecting of LPG, natural gas , town gas, avoid the noise of alcohol and cooking fumes and cigarette smoke.

Sensitive material of MQ5 gas sensor is SnO2, which with lower conductivity in clean air. When the target combustible gas exists, The sensor’s conductivity is higher along with the gas concentration rising.

Please use simple electro circuit, Convert change of conductivity to the corresponding output signal of gas concentration.

MQ5 gas sensor has high sensitivity to Methane, Propane, and Butane, and could be used to detect both Methane and Propane. The sensor could be used to detect different combustible gas especially Methane, it is with low cost and suitable for different application

Features of MQ 5:

  • MQ 5 is Highly sensitivity to LPG, natural gas , town gas
  • Small sensitivity to alcohol, smoke.
  • Fast response .
  • Stable and long life
  • Simple drive circuit
  • Heater Voltage: 5.0V

Dimensions of MQ 5:

  • 18mm Diameter
  • 17mm High excluding pins
  • Pins – 6mm High


  • Gas leak detection system
  • Fire/Safety detection system
  • Gas leak alarm
  • Gas detector


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