MQ2 Smoke Gas LPG Butane Hydrogen Gas Sensor Detector Module
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MQ2 Smoke Gas LPG Butane Hydrogen Gas Sensor Detector Module

Buy MQ2 Smoke Gas LPG Butane Hydrogen Gas Sensor Detector Module Arduino Compatible at lowest price online at nevonexpress

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Available Stock : 26 Unit

Product Overview

The analog gas sensor: MQ2 is utilized as a part of gas leakage systems (like Smoke methane and hazardous combustible gasdetection meters and other industry sectors, this sensor is appropriate for sensing LPG, I-butane, Propane, Methane, Alcohol, Hydrogen and Smoke. It has a high affectability and quick response time and the sensitivity can be balanced utilizing the potentiometer.


Features

Input voltage
DC5V
Power consumption(current)
150mA
DO output
TTL digital 0 and 1 ( 0.1 and 5V)
AO output
0.1-0 .3 V ( relative to pollution )
Maximum concentration of a voltage
4V
VCC
positive power supply (5V)
GND
power supply is negative
DO
TTL switching signal output
AO
analog signal output
Special note
After the sensor is powered, needs to warm up around 20S, measured data was stable , heat sensor is a normal phenomenon , because the internal heating wire , if hot is not normal .

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Interfacing Diagram