407113, Extech, Metal Vane Anemometer

Display air flow CFM or air velocity plus temperature. Metal vane withstands temperature up to 175F 80C and airspeed to 6890-ftmin. Air flow displayed in 3 modes instantaneous value up to 20-point average or 23 flow value. Record and recall minimummaximum. Data hold plus auto power-off. Built-in RS-232 PC interface. Complete with 9V battery protective rubber holster with stand hard carrying case and metal vane sensor with 3. 9ft 120cm cable.