Lutron YK-2005am Anemometer/Air Flow

Real time data logger + air flow
ANEMOMETER
Model : YK-2005AM
* High capacity, 16,000 data logger point.
* Real time data logger ( record year, month, date, hour, minute, second ).
* Air velocity, Air flow, Temp., type K Temp.
* Metal vane, heavy duty.
* Range : 0.4 to 30.0 m/s. CMM, CFM.
* Max., Min., Data hold.
* RS-232/USB computer interface.
* Jumbo LCD display.
* DC 1.5V ( UM3, AA ) x 4 PCs or DC 9V adapter in.
* Size : 203 x 76 x 38 mm.