Wall Thermometer, Wet & Dry Bulb, Each

Details:

Calculate the relative humidity of air using this device. Includes two identical thermometers. The wet bulb thermometer has a wicking cloth material over the bulb and is connected to an included water reservoir. Thermometers are graduated in celsius -10â° to 50â° (1â°c) and fahrenheit 14â° to 122â° (2â°f). Includes humidity table in c. Dimensions: 11.5" X 3" x 1.75".