Precision Psychrometer - (RHT60)The Triplett RHT60 Precision Psychrometer provides simultaneous display of Humidity Temperature, Humidity Dew Point, Humidity Wet Bulb with fast response time (<30 seconds) and high accuracy 2%RH (10 to 90%). Read More > DESCRIPTION The Triplett RHT60 Precision Psychrometer provides simultaneous display of Humidity Temperature, Humidity Dew Point, Humidity Wet Bulb with fast response time (<30 seconds) and high accuracy 2%RH (10 to 90%). Easy one hand