سنسور گاز / دود MQ2

Gas: Smoke
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
Working conditions Ambient temperature: -20 ℃ ~ + 55 ℃
                       Humidity: ≤ 95% RH
                      Ambient oxygen content: 21 %
Storage conditions Temperature: -20 ℃ ~ +70 ℃
                      Humidity: ≤ 70% RH