Psychrometer /Whirling Hygrometer helps in the determination of relative humidity & dew point on Coating.The whirling hygrometer is an easy to use device with 2 thermometer bulbs,One provide dry bulb reading of ambient air temperature & other wet thermometer bulb with in built water reservoir, to provide wet bulb temperature.

The device complies to BS, ASTM & other standards for determining temperature and moisture content of the air prior to painting.