MQ-2 Gas Sensor Module

MQ-2 Gas Sensor Module
This MQ-2 gas sensor module is used for gas leakage monitoring devices and fire protection systems, which are essential in homes and factories.

SKU: CQY10191563827,WUM39817314190

Price: 1.49 $

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This is a highly responsive and very sensitive sensor, which is capable of detecting gases such as: butane, liquefied petroleum gas, propane, methane, alcohol, smoke, hydrogen and other harmful gases.

The MQ-2 gas sensor has a very reliable stability and is highly sensitive to smoke, natural gas, and methane gas in the air.


  • Circuit Voltage: ≤15 V
  • Heating Voltage: 5 V ± 0.2 V
  • Load Resistance: adjustable
  • Heating Power: ≤900 mW
  • Operating Temperature: -10° C to +50° C
  • Storage Temperature: -20° C to +70° C
  • Relative Humidity: <95 % RH