DHT22 Temperature and Humidity Sensor Module

299.00 Excl. GST 18%

In stock

  1. Measuring range: Temperature -40-80 ℃; humidity 0; 99.9%RH
  2. Measurement accuracy (25℃): temperature: + 0.5; humidity: + 2%RH (10; 90%RH)
  3. Resolution: temperature: 0.1 ℃, humidity: 0.1%RH
  4. Attenuation value: temperature: <1℃ / year; humidity: < 1%RH/ years
  5. High precision
  6. Outstanding long-term stability

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DHT22 capacitive humidity sensing digital temperature and humidity module is one that contains the compound has been calibrated digital signal output of the temperature and humidity sensors. Application of a dedicated digital modules collection technology and the temperature and humidity sensing technology, to ensure that the product has high reliability and excellent long-term stability.

The sensor includes a capacitive sensor wet components and a high-precision temperature measurement devices, and connected with a high-performance 8-bit microcontroller. The product has excellent quality, fast response, strong anti-jamming capability, and high cost.

Standard single-bus interface, system integration quick and easy. Small size, low power consumption, signal transmission distance up to 20 meters, making it the best choice of all kinds of applications and even the most demanding applications.

DHT22 has higher precision and can replace the expensive imported SHT10 temperature and humidity sensor.

It can measure the environment temperature and humidity to meet the high demand.The product has high reliability and good stability.If it’s used and combined with special sensor Arduino expansion board,it will be easily implemented the interactive effect which related to the temperature and humidity perception.

Caution: DHT22 digital temperature and humidity sensor is designed for analog sensor interfaces. The analog port will be used as the digital which will not occupy the original digital port of the Arduino.The lines of the sensor which can transform the analog function to digital that can be use on digital port.

Pin Description:
  • Pin 1:   Power +Ve (5V Max wrt. GND)
  • Pin 2:  Digital I/O interface connected to microcontroller
  • Pin 3:  Power Ground or Power –Ve


  • 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


Model DHT22
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
Length (mm) 43
Width (mm) 15
Height (mm) 10
Weight (gm) 7

Package Includes :

1 x DHT22 Temperature and Humidity Sensor Module.

1 x Connecting Wire.

*Product Images are shown for illustrative purposes only and may differ from actual product.

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