This product is no longer available and has been replaced by: EE181-L. Some accessories, replacement parts, or services may still be available.


Order the 27727 to have Campbell Scientific recalibrate a temperature and RH probe. The accuracy of the recalibration is ± 2% from 10 to 90% RH and ± 3% from 90 to 100% RH. Campbell Scientific supplies before and after calibration sheets.