MQ-2 Combustible Gas Sensor

MQ-2 Combustible Gas Sensor 

MQ-2 gas sensor has a high sensitivity to LPG, Propane and Hydrogen, also could be used to Methane and other combustible steam, it is with low cost and suitable for different application. The MQ series of gas sensors use a small heater inside with an electrochemical sensor. 

Specification

• Detection range: 300 to 10000ppmm
• Characteristic gas: 1000ppmm isobutane
• Sensitivity: R in air/Rin typical gas≥5
• Sensitive body 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