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Humidity and Temperature Sensor - DHT22

Humidity and Temperature Sensor - DHT22
Our Price:  £9.50(Inc. 20% VAT)(£7.92 Exc. VAT)Earn 9 Loyalty Points

SKU:  PPSEN-10167
Bar Code:  5055421008802
Part Number:  SEN-10167
Brand:  SparkFun

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23 in stock, immediate despatch
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  (4 Reviews)

The RHT03 (also known by 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


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Customer Reviews
Average Rating (4 Reviews):  
Write a Review and share your opinions!

Nice product, awkward packaging
Thursday, 6 March 2014  |  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 of 2 people found this review helpful.

Easy to use and accurate
Monday, 6 January 2014  |  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


2 of 2 people found this review helpful.

easy to integrate
Wednesday, 6 June 2012  |  Hercules

very helpful company, excellent sales and tech team


2 of 2 people found this review helpful.

Good, but expensive
Monday, 26 September 2011  |  Gareth

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


2 of 2 people found this review helpful.

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