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 -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".