The MQ4 gas sensor module is highly useful and simple to use gas leakage sensor at home or industry. The sensor module can detect Methane and CNG Gas. It is highly sensitive and responding time is very fast. Depending on the requirements of sensitivity, the sensor can be adjusted with a Potentiometer.

MQ4 is an analogue output sensor which is commonly used as compressed natural gas (CNG) sensor in MQ sensor series. Mq4 is suitable for sensing natural gas CH4 concentrations in the air. It can detect natural gas concentrations anywhere from 200 to 10000ppm. The output voltage of the gas sensor increases if the concentration of gas increases. The sensitivity of the sensor is adjustable by the Potentiometer. The MQ4 sensor module is arduino compatible.

The working voltage of MQ4 gas sensor is 5 volt DC and it draws around 750 mW. This sensor is capable of detecting Natural gas, CH4.

Weight 50 g
Dimensions 3 × 1 × 2 cm
Model

MQ-4

Operating Voltage (VDC)

3 ~ 5

Detecting Range

300ppm to 10000ppm

Analog output

0~5V voltage.

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