Whirling Hygrometer

£66.67 £80.00 Inc. VAT

Whirling hygrometers, also known as sling psychrometers, employ the ‘wet’ and ‘dry’ bulb principal to determine percentage Relative Humidity. A whirling hygrometer is a very accurate way of measuring the relative humidity of the air. This Brannan hygrometer is filled with spirit and has a fixed handle designed to be rotated by hand to provide adequate and consistent ventilation of the bulbs. Measurements in Celsius only.


Measurement range: 5°C to +50°C
Accuracy: +/- 1°C
Graduation: 0.5°C
Ships with:
2 replacement wicks
Humidity calculator chart
Carry case

Data Sheets