United Scientific Supplies, THWD01, Wall Thermometer, Wet and Dry Bulb
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 -10° to +50° (1°C) and Fahrenheit 14° to +122° (2°F). Includes humidity table in C. Dimensions: 11.5″ x 3″ x 1.75″.
