سنسور دما ورطوبت DHT22
Power supply :3.3-6V DC
Output signal : digital signal via single-bus
Sensing element : Polymer capacitor
Operating range : humidity 0-100%RH; temperature -40~80Celsius
Accuracy : humidity +-2%RH(Max +-5%RH); temperature <+-0.5Celsius
Resolution or sensitivity : humidity 0.1%RH; temperature 0.1Celsius
Repeatability : humidity +-1%RH; temperature +-0.2Celsius
Humidity hysteresis : +-0.3%RH
Long-term Stability : +-0.5%RH/year
Sensing period : Average: 2s
Interchangeability : fully interchangeable
Dimensions : small size 14*18*5.5mm; big size 22*28*5mm