925 Vane Anemometer

A handheld air-flow meter with a vane sensor on a coiled cable. It reads air velocity, airflow volume from a duct area you enter, and air temperature, and can hold, record minimum and maximum values and average readings at a single point or across several points. The sensor can be extended by about a metre for hard-to-reach vents and ducts, and alarms can be set. Useful for heating, ventilation and air-conditioning checks.