Humidity and Temperature Sensor – DHT22

(4 customer reviews)

£9.50 inc VAT

Out of stock

SKU: PPSEN-10167 Categories: , Tags: ,
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Humidity and Temperature Sensor – DHT22

The RHT03 (also known as DHT-22) is a low-cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and doesn’t require extra components so you can get right to measuring relative humidity and temperature.


  • 3.3-6V Input
  • 1-1.5mA measuring current
  • 40-50 uA standby current
  • Humidity from 0-100% RH
  • -40 – 80 degrees C temperature range
  • +-2% RH accuracy
  • +-0.5 degrees C


4 reviews for Humidity and Temperature Sensor – DHT22

  1. kannan

    I would probably order the cased one next time as I didn’t realise this is really meant to be PCB mounted… otherwise performs as specified and does the job!

  2. Chris

    More stable than a TMP36 and with added humidity. I found the TMP36 had to be averaged out but this sensor is steady.A great little sensor for those starting out Arduino or Raspberry Pi. Either upload the data or put on an LCD display.A little pricey bu

  3. Hercules

    very helpful company, excellent sales and tech team

  4. Gareth Hal

    The RHT03 (the actual product supplied, which is identical to the DHT22) is quick, accurate, and works on a single wire – but it’s also pretty expensive.There’s a full review – plus a link to an Arduino library for communicating with it – over here:htt

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