TSI 800220 Temperature and Humidity Probe

The telescopic TSI 800220 Temperature and Humidity Probe extends from 9 to 39 in. (230 to 990 mm) and is ideal for measuring inside of duct work before and after a coil. The 800200 can be inserted into a standard 5/16 in. (8 mm) diameter hole typically used for pitot traverses and can be used to calculate wet bulb and dewpoint temperatures.