MQ-2 Gas Sensor

Description           

MQ-2 Gas Sensor Module has high sensitivity to LPG, Propane and Hydrogen, also could be used to Methane and other combustible steam. The output voltage from the Gas sensor increases when the concentration of gas. Sensitivity can be adjusted by rotating the potentiometer.

Specifications :
Operating Voltage is +5V
Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO and even methane
Analog output voltage: 0V to 5V
Digital Output Voltage: 0V or 5V (TTL Logic)
Preheat duration 20 seconds
Can be used as a Digital or analog sensor
The Sensitivity of Digital pin can be varied using the potentiometer

Applications :
Detects or measure Gases like LPG, Alcohol, Propane, Hydrogen, CO and even methane
Air quality monitor
Gas leak alarm
Safety standard maintenance
Maintaining environment standards in hospitals