Ambient Weather Support

If the Humidity and resultant Dew Point is inaccurate, the sensor array will need calibrating or replacing.

1. Here is a guide on testing the hygrometer accuracy: 

   How Can I Test The Accuracy Of My Hygrometer (Humidity Calibration)?

2. If the humidity error is excessive, the sensor will need replacing. We have a one year warranty. Visit: www.AmbientWeather.com/rma.html
3. For out of warranty sensor replacement, please visit:  https://www.ambientweather.com/amws1090thr.html

Product Manual
https://ambientweather.com/mwdownloads/download/link/id/525/