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Smoke Gas Sensor
Smoke Gas Sensor
Smoke Gas Sensor
Smoke Gas Sensor
Smoke Gas Sensor
Smoke Gas Sensor
Smoke Gas Sensor
Smoke Gas Sensor

EMS-00010-A

(Last updated) Jun 20, 2026

Smoke Gas Sensor

Combustible gas and smoke detection

The MQ-2 Gas Sensor Module is used to detect combustible gases like LPG, methane, propane, hydrogen, alcohol, and smoke. It works using an SnO₂ sensing layer that changes resistance when gas is present. It provides analog and digital outputs and is commonly used in gas leak detection, safety systems, air quality monitoring, and Arduino projects.
Product Type Gas & Smoke Sensor
Model MQ-2
Detectable Gases LPG, Methane, Butane, Smoke
Detection Range 200 – 10000 ppm
Operating Voltage 5V DC