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Electronics
»
1-Wire
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IOT-DHT22PCB
DHT22PCB / AM2302 1-Wire Temperature / Humidity Sensor PCB
[1933][IOT-DHT22PCB]
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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
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Datasheet
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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Repair:
20 day(s)
40 day(s)
12 month(s)
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