The humidity sensor attains the highest degree of accuracy in
temperatures between + 5 °C and + 60 °C and 20% to 80% RH.
If the instrument is exposed to higher humidity for a long period of time,
this can falsify the readings by up to 3% RH.
After 48 hours at 50% RH ± 10 % and +20 °C ± 5 °C, the sensor
regenerates by itself.