# ITC-608T Hum sensor

**URL:** <https://community.inkbird.com/t/itc-608t-hum-sensor/12625>\
**Category:** Questions & Answers\
**Tags:** smart-controller\
**Created:** [January 14, 2023, 6:44pm UTC](https://community.inkbird.com/t/itc-608t-hum-sensor/12625 "2023-01-14T18:44:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Dan82](https://avatars.discourse-cdn.com/v4/letter/d/ea5d25/32.png) [@Dan82](https://community.inkbird.com/u/Dan82)\
**Post date:** [January 14, 2023, 6:44pm UTC](https://community.inkbird.com/t/itc-608t-hum-sensor/12625/1 "2023-01-14T18:44:13Z")

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Does anyone know if the ITC 608 has a calibration setting for the humidity sensor it has been working great but here lately it is reading 10% less humidity than where it is actually at it is about a month old? It’s really humid inside of my greenhouse and the sensor is not reading properly to bring on my fan for some ventilation

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**Author:** ![Tania](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.inkbird.com/tania/32/88_2.png) [@Tania](https://community.inkbird.com/u/Tania)\
**Post date:** [January 16, 2023, 2:00am UTC](https://community.inkbird.com/t/itc-608t-hum-sensor/12625/2 "2023-01-16T02:00:41Z")

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Hello,  
ITC-608T can be calibrated by CA settings.  
If the humidity probe reading is 10% lower than the actual value, please set CA=10