Testo 605-H2 Humidity Stick with Wet BulbTesto'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
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