MQ-4 Methane CNG Sensor Module

Description : MQ-4 can detect natural gas concentrations anywhere from 200 to 10000ppm. This sensor has a high sensitivity and fast response time. The sensor’s output is an analog resistance. This is a module not just the sensor meaning that it comes already installed in a break out board and all you need is to connect the output to an analog input pin in your micro controller board. MQ-4 is used in gas leakage detecting equipments in family and industry, are suitable for detecting of CH4,Natural gas.LNG, avoid the noise of alcohol and cooking fumes and cigarette smoke.