Product information "111T | Hair hygrometer with thermometer"
For outdoor measurements and in high humidity hair hygrometer are preferable. The specially treated human hair of the Fischer hair hygrometer 111.01T is insensitive to temperature (temperature range -35 to +65 °C) and responds quickly to changes in humidity.
Measuring range 0 to 100 % relative humidity Measuring accuracy ± 3 % RH (20...100%), scale division 1 % RH
