VIP Product Code: 38/0551/000
Whirling hygrometers, also known as sling psychrometers, employ the wet and dry bulb principle to determine % Relative Humidity. They are designed to be rotated, by hand, to provide adequate and consistent ventilation of the bulbs. This instrument has a folding handle and is supplied with a chart to calculate %RH and a protective canvas carry case.
Temperature Range: -5 to+50C
Tube Filling: Spirit (other types may be available upon request)