Beschreibung The 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. Spezifikations * Model:MQ-2 * Gas:Smog * Detection Zone:300 to 10000ppmm * Characteristic Gas:1000ppmmIso-Butane * Sensitivity:R in air/Rin typical gas≥5 * Sensitive Resistance:1KΩ to 20KΩ in 50ppm Toluene * Response Time:≤10s * Recovery Time:≤30s * Heating Resistance:31Ω±3Ω * Heating Current:≤180mA * Heating Voltage:5.0V±0.2V * Heating Power: ≤900mW * Measuring Voltage:≤24V * Conditions:Ambient Temperature:-20℃～+55℃ * Humidity:≤95%RH * Oxygen Content:21% Lieferumfang 1x MQ2 Gas Sensor Module