MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor Module

MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor Module is a reliable tool for methane gas sensing with high sensitivity and fast response. This methane gas detector employs the proven MQ-4 sensor, effectively detecting and measuring methane and compressed natural gas (CNG) gases, ensuring safety and efficiency in various projects. Ideal for methane gas sensor applications, it provides both analog and digital outputs for versatile use.

Key Features - MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor Module

• Detecting range: 300~10000ppm Signal output indicator.
• Dual Signal output (analog output and TTL output).
• The TTL output signal is low level, allowing direct connection with SCM.
• Analog output 0~5V voltage, corresponding to gas concentration.
• Quick response and recovery.
• High sensitivity to methane (CNG) and other natural gases with reliable stability and long operational life.
• Cost-effective solution for gas leak detection.
• Onboard LED indicator for gas presence.

Applications

The MQ-4 Methane Gas Sensor is perfect for Arduino and microcontrollers, providing a methane gas sensor for leak detection in residential and industrial sectors. It's also suitable for safety systems to detect hazardous gas accumulation and in automotive applications.

Technical Specifications

How to Use - MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor Module

• Connect the sensor module to a 5V power supply.
• Adjust the onboard potentiometer to set the desired gas concentration threshold.
• The digital output activates when gas concentration exceeds the threshold, while the analog output provides real-time readings.
• Interface the digital output with a microcontroller for simple high/low readings.
• For precision, connect the analog output to a microcontroller's ADC pin and convert the voltage to ppm using the sensor's equations available in the datasheet.
• Calibrate the sensor with known gas concentrations if needed for accuracy.
• Implement logic in the microcontroller to trigger alarms when gas concentration exceeds the threshold.

Package Includes

• 1 x MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor Module

Additional Resources

Video Tutorials