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 ...

The unit’s hot-wire technology provides high precision, low-velocity air measurements. Additional features include a jumbo LCD with multiple displays, hard carrying case, battery-powered operation, ...

Though it might not help you design the next Mach 2 fighter jet, the WTM-1000 benchtop wind tunnel from Omega, Stamford, Conn. (omega.com), will let companies calibrate vane and hot-wire anemometers.