Sell Arduino MQ-2 Smoke Gas Sensor best price

Overview The analog gas sensor - MQ2 is used in gas leakage detecting equipments in consumer and industry markets, this sensor is suitable for detecting LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.It has a high sensitivity and fast response time.And the sensitivity can be adjusted by the potentiometer. Features - Detection Gas : Combustible gas and smoke - Concentration : 300 ~ 10000ppm (Combustible gas) - Sensing Resistance : X-axis analog output 0 ~ 5V - Sentivity : Rs(in air)/Rs(1000ppm isobutane) >= 5 Reference Document http://www.dynamoelectronics.com/images/stories/MQ2.pdf