Testo 605-H1 Humidity Stick with Dew Point
Testo's humidity sticks are rugged, providing fast and accurate humidity,temperature wetbulb (-H2) and dewpoint (-H1) readings. The ½-inch probe head fits conveniently in a duct or is useful to test indoor and outdoor ambient spaces.
Range: 5 to95 %rH
Range: 32 to +122°F