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DHT22 Temperature & Humidity Sensor

  • Stock: 40
  • SKU: 0294 | DAA506
  • Rs. 503.86 (inc GST)
    Rs.427.00 + GST

    Qty :

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DHT22 / AM2302

Digital-output relative humidity & temperature sensor/module DHT22 (DHT22 also named as AM2302) 

DHT22 also known as AM2302 is a low cost sensor for measuring Temperature & Humidity. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires careful timing to grab data.

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 type of program in OTP memory, when the sensor is detecting, it will cite coefficient from memory.

Small size & low consumption & long transmission distance(20m) enable DHT22 to be suited in all kinds of harsh application occasions. 

Simply connect the first pin on the left to 3-5V power, the second pin to your data input pin and the right most pin to ground. Although it uses a single-wire to send data it is not Dallas One Wire compatible! If you want multiple sensors, each one must have its own data pin!

Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

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