Internet of Things » 1-Wire » IOT-DHT22PCB
DHT22PCB / AM2302 1-Wire Temperature / Humidity Sensor PCB
[IOT-DHT22PCB]
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DHT22PCB / AM2302 1-Wire Temperature / Humidity Sensor PCB

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DHT22 Temperature/Humidity Sensor

DHT22 output calibrated digital signal. It utilizes exclusive digital-signal-collecting-technique and humidity sensing technology, assuring its reliability and stability. Its sensing elements is connected with 8-bit single-chip computer.
Every sensor of this model is temperature compensated and calibrated in accurate calibration chamber and the calibration-coefficient is saved in OTP memory.
Small size & low consumption & long transmission distance(20m) enable DHT22 to be suited in all kinds of harsh application occasions. Single-row packaged with four pins, making the connection very convenient

Specifications
Sensor DHT22
Power supply
3.3 - 6V DC
Accuracy resolutiuon 0.1
Humidity Measuring 0-100%RH
Temperature Measuring
-40*C +125*C
Sensing period
Average: 2s
Dimensions (case) 15*26*59mm

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