SainSmart MQ2 DC 5V Propane Ethanol Gas Sensor Detection Module for LPG Propane Hydrogen Arduino
Specifications* 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:31Ω3Ω* Heating Current:≤180mA* Heating Voltage:5.0V0.2V* Heating Power: ≤900mW* Measuring Voltage:≤24V* Conditions:Ambient Temperature:-20℃～+55℃* Humidity:≤95%RH* Oxygen Content:21%ApplicationsThey are used in gas leakage detecting equipments in family and industry,are suitable for detecting of LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.