Whirling & Sling Hygrometers
Designed to determine the dew point and relative humidity (RH) at any given time.
The Whirling Hygrometer is available in Celsius scale. A guide for Relative Humidity (RH) determination is supplied with each instrument and the dewpoint can accurately be calculated using the Dewpoint Calculator.
- Manual operation, no power supply required
- Spirit filled thermometers