DHT22 Temperature and Humidity Sensor Module

DHT22 Temperature and Humidity Sensor Module

DHT22 Temperature and Humidity Sensor Module output calibrated digital signal. It utilizes exclusive digital-signal-collecting-technique and humidity sensing technology, assuring its reliability and stability. Its sensing elements are connected with an 8-bit single-chip computer. Every sensor of this model is temperature compensated and calibrated in an accurate calibration chamber and the calibration-coefficient is saved in the type of program in OTP memory, when the sensor is detecting, it will cite coefficient from memory.

Features/Specs:

• Model: AM2302
• Operating Voltage: 3 ~ 5.5V
• Accuracy resolution: 0.1%
• Humidity range: 0-100%RH
• Temperature range: -40~80°C
• Humidity measurement precision: ±2%RH
• Temperature measurement precision: ±0.5°C
• High precision
• Capacitive type
• Full range temperature compensated
• Relative humidity and temperature measurement
• Calibrated digital signal
• Outstanding long-term stability
• Extra components not needed
• Long transmission distance
• Low power consumption
• 4 pins packaged and fully interchangeable

Datasheet: DHT22

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