MQ-5 Flammable Gas Sensor Semiconductor Lower Conductivity High Sensitivity

The gas sensing material used in the MQ-5 combustible gas sensor is tin dioxide (SnO2), which has a low conductivity in clean air. When there is combustible gas in the environment where the gas sensor is located, the conductivity of the combustible gas sensor increases with the increase of the concentration of combustible gas in the air. The change in conductivity can be converted into an output signal corresponding to the gas concentration using a simple circuit.

The MQ-5 combustible gas sensor has high sensitivity to butane, propane and methane, and can take into account both methane and propane. This gas sensor can detect a variety of flammable gases, especially natural gas, and is a low-cost sensor suitable for a variety of applications.

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