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:31Ω±3Ω
* Heating Current:‰¤180mA
* Heating Voltage:5.0V±0.2V
* Heating Power: ‰¤900mW
* Measuring Voltage:‰¤24V
* Conditions:Ambient Temperature:-20„ƒï½ž+55„ƒ
* Humidity:‰¤95%RH
* Oxygen Content:21%

Applications

They are used in gas leakage detecting equipments in family and industry,
are suitable for detecting of LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.