MQ2 Gas Sensor

The MQ2 Gas Sensor can detect all kinds of gases in the air, such as smoke, liquefied gas, butane, propane, methane, alcohol, hydrogen, and others.

Real-Life Examples

  • Smoke alarms detect smoke and other flammable gases in the environment.


  • Size: 24×36mm
  • Operating current: 160mA
  • Heating impedance: 33Ω
  • Pre-heat energy consumption: < 800mW


5-minute pre-heat for better performance.

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