Keyestudio MQ-4 Natural gas Methane Sensor Detection module for arduino

The Keyestudio MQ-4 Natural Gas Methane Sensor Detection Module is a highly sensitive gas detection solution designed for Arduino microcontrollers. It is ideal for students, hobbyists, and makers building household or industrial safety projects. With its straightforward integration, it provides an accessible entry point into environmental monitoring.

Gas leakage safety monitoring

The MQ-4 module is engineered for household and industrial-level gas leakage detection devices. It is specifically designed to identify the presence of natural gas and methane.

Reliable response and recovery

Featuring a response time of under 10 seconds and a recovery time of under 30 seconds, this sensor ensures rapid detection. Its excellent stability and long service life make it ideal for continuous monitoring.

Broad concentration detection range

The sensor detects gas concentrations ranging from 300ppm up to 10000ppm. It uses a characteristic gas concentration of 5000ppm methane for calibration.

Simple drive circuit integration

Designed with a simple drive circuit, this module easily connects to Arduino microcontrollers. It is perfect for hobbyists and students building automated safety alarms.

Precise electrical specifications

The module operates on a 5V measuring voltage with a heating voltage of 5.0V (plus or minus 0.2V). It features a heating resistance of 31 ohms (plus or minus 3 ohms) and a heating current of 180mA or less.