When looking to measure outdoor humidity levels, or particularly high humidity levels, a hair Fisher Scientifichygrometer is preferable.
The specially treated human hair of the H7 hair hygrometer is insensitive to temperature (temperature range -35 to +65 °C) and responds quickly to changes in humidity.
|Measuring Range||0% to 100% relative humidity|
|Accuracy||± 3 % RH (20 - 100%)|
|Graduation||r.h. 1 %|
Masons wet and dry bulb hygrometer for measuring relative humidity. Supplied mounted in a yellow plastic case complete with wick, reservoir and relative humidity conversion tables. These...
Made in accordance with British standard BS2842, the Metcheck Whirling Hygrometer comprises of a moulded plastic case, collapsible plastic handle, two matching thermometers, plastic reservoir and cotton...
This humidity instrument, known as a psychrometer, consists of a wet and dry bulb thermometer The hygrometer is mounted on a backdrop of sandblasted glass which makes...