With the 38-inch telescoping probe, a line of in-duct HVACR instruments — two psychrometers (SRH3 and ARH5) and a hot-wire anemometer (STA2) — makes it easier for techs to take temperature, percent rh ...
Combination hot-wire anemometer and psychrometer accessory head AAT3 gets into ducts easily. It can be used for measurement of air velocity, temperatures, and percent rh. It also calculates wet bulb ...
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