MQ-4 Natural Gas Methane Gas Sensor Module

Detalhes

MQ-4 DC5V Smoke Methane Propane Hydrogen Gas Sensor Detector Module for Arduino.
Dual-way Signal Output, Analog output and TTL level outputHigh sensitivity to LPG, gas, alcohol, hydrogen and more
Fast response and recovery
Good steadiness and long service life
Great for home or factory gas leakage detection
Use for Detecting: Combustible gas such as LPG, butane, methane, alcohol, propane, hydrogen, smoke, etc.

Specification:
Main chip:MQ-4 gas sensor module
Working Voltage: 5V DC
Detecting Range: 300 to 10000ppm
TTL output valid signal is low
Size: 32X22X27mm

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