DHT22 Temperature and Humidity Sensor

DHT22 Temperature and Humidity Measurement Sensor 

Brand: Aosong=Asair

      The DHT-22 is a temperature and humidity sensor. Despite its low price, it can measure humidity and temperature with high precision. It contains an 8 bit mcu. It comes with pre-calibrated values. It does not require the use of extra components. It performs digital communication over a single line. It can take measurements in measuring periods of 2 sec.


Features :

•         Accuracy resolution（typ） : 0.1%RH;16 bit.
•         Humidity range : 0-100%RH.
•         Temperature range : -40~80℃.
•         Humidity measurement precision : ±2%RH (Condition:25℃).
•         Temperature measurement precision : ±0.5℃(typ);±1℃(max).
•         Supply voltage range:3.5~5.5 V(recommend:5 V).
•         Measuring current : 1-1.5 mA
•         Standby current : 40-50 uA
•         Excellent long-term stability.
•         All calibration, digital output.
•         Completely interchangeable.
•         Long distance signal transmission 20m max
•         Relative humidity and temperature measurement.

   

Package Contents :

•     1 Piece DHT22 (AM2302) Temperature and Humidity Sensor