Whirling & Sling Hygrometers
116 - Elcometer Limited
The Elcometer 116C Sling Hygrometer, shown as the black unit in the photograph, is a convenient, self contained instrument with an inbuilt slide rule for the calculation of %RH and dewpoint. This hygrometer has spirit filled thermometers and is available in °C or °F scales.
Manual operation, no power supply required
Spirit filled thermometers