MQ2 Arduino Compatible Gas Sensor, Methane, Butane, LPG, Smoke Sensor in Pakistan

₨280 ₨250


  • Sensitivity adjustable the blue digital potentiometer adjustment.
  • Before the use of the operating voltage 5V more the 500 ma power supply at least warm-up for more than two minutes, the sensor slightly hot is normal.
  • Analog voltage output.
  • Digital switching outputs (0 and 1)
  • With fixed bolt hole for easy installation
  • Operating temperature: 32 to 158 °F (0 to 70 °C)
  • Small board PCB size: 4.5cm * 1.8cm.


It is suitable for detecting?H2, LPG, CH4, CO, Alcohol, Smoke or Propane. Due to its high sensitivity and fast response time, measurement can be taken as soon as possible. The sensitivity of the sensor can be adjusted by potentiometer.
Sensitive material of MQ-2 gas sensor is SnO2, which with lower conductivity in clean air. When the target combustible gas exist, The sensors conductivity is more higher along with the gas concentration rising. Please use simple electrocircuit, Convert change of conductivity to correspond output signal of gas concentration.

MQ-2 gas sensor has high sensitity to LPG, Propane and Hydrogen, also could be used to Methane and other combustible steam, it is with low cost and suitable for different application.


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