MQ-5 gas sensor has high sensitity to Methane, Propane and Butane, and could be used to detect both Methane and Propane. Character 1. MQ-5 gas sensor with good sensitivity to Combustible gas in wide range, 2. High sensitivity to Methane, Butane and Propane, 3. Long life and low cost, 4. Simple drive circuit. Application1. Domestic gas leakage detector,2. Industrial Combustible gas detector,3. ...