MQ-7 gas sensor has high sensitity to Carbon Monoxide. The sensor could be used to detect different gases contains CO. Character 1. Good sensitivity to Combustible gas in wide range,2. High sensitivity to Natural gas,3. Long life and low cost,4. Simple drive circuit. Application1. Domestic gas leakage detector, 2. Industrial CO detector, 3. Portable gas detector. Technical Data Model No.MQ- ...