DHT22 Digital Temperature & Humidity Sensor Module with Cable

SEES DHT22 Digital Temperature and Humidity Sensor Module AM2302 for Industrial

SKU: SLY3071 Category:

Product Description

DESCRIPTION:

  • The DHT22 Digital Temperature and Humidity Sensor Module AM2302 is a basic, low-cost digital temperature and humidity sensor.
  • 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. The only real downside of this sensor is you can only get new data from it once every 2 seconds, so when using our library, sensor readings can be up to 2 seconds old.
  • Simply connect the first pin on the left to 3-5V power, the second pin to your data input pin and the rightmost 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!

Note: Color of connecting wire may vary. You may get any color while shipping.

Features :

  • 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

SPECIFICATION:

  • Measuring range: temperature -40-80 ???; humidity 0; 99.9%RH
  • Measurement accuracy (25???): temperature: + 0.5; humidity: + 2%RH (10; 90%RH)
  • Resolution: temperature: 0.1 ???, humidity: 0.1%RH
  • Attenuation value: temperature: <1??? / year; humidity: < 1%RH/ years

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