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Methane and Natural Gas sensor
Methane and Natural Gas sensor
Methane and Natural Gas sensor
Methane and Natural Gas sensor

Technical Documents

MQ-4 gas sensor

EMS-00010-C

(Last updated) May 09, 2026

Methane and Natural Gas sensor

MQ-4 Methane and Natural Gas sensor

Subcategory
EMS - Input: Sensors

Description

MQ-4 Gas Sensor Module is a high sensitivity gas detection module used for sensing Methane (CH4), CNG, and natural gas leakage in the environment. An onboard potentiometer allows adjustment of the gas detection threshold level for digital output triggering. MQ-4 sensor is widely used in gas leakage alarms, industrial safety systems, and smart monitoring projects.

Manufacturer Details

Manufacturer Part Number
Hanwei Electronics MQ-4
Winsen Electronics MQ-4
Waveshare MQ-4

Application Resources

Gas Sensor MQ-4 gas sensor

Technical Specifications

Model MQ-4
Detecting range 200 to 10000 ppm.
Operating Voltage 3 ~ 5 V
Length 3.1 cm
Height 2.1 cm
Width 1.9 cm

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