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The HTU21D sensor is a self-contained humidity and temperature sensor that is fully calibrated during manufacturing. The sensor can operate from 1.5V to 3.6V, has selectable resolution, low battery detect, and checksum capability. The HTU21D has a low power standby mode for power-sensitive applications. 


  • Measures relative humidity from 0% to 100%
  • Measures temperature from -40°C to 125°C
  • I2C communication
  • Fully calibrated
  • Fast response time
  • Selectable resolution
  • Very low power consumption  

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Product Type  Drivers

  • Sensor Type  Humidity

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