Description

Whirling hygrometer (sling psychrometer) offering the maximum level of accuracy for the measurement of relative humidity utilising wet and dry bulb thermometers.

The whirling hygrometer incorporates a water reservoir linked to the wet bulb by the means of a cotton sleeve. The thermometer tubes measure temperature over the range of 0 to 50°C enabling the %rh to be calculated utilising the chart supplied.

The dimensions of this whirling hygrometer are 11 x 45 x 220mm (plus handle). Each hygrometer is supplied in a PVC wallet.