TENMARS TM-4001/TM-4002 Hot-Wire Anemometers 

Features:

- Fast response telescoping probe.

- Air flow volume.

- Large LCD display.

- Displays air (wind) speed in meters/second,feet/minute, kilometers/hr, knots, and miles/hr.

- Displays maximum and minimum readings and holds any reading.

- Manual Data Memory and read fucntion (99 records). (TM-4001/TM-4002)

- Dew point, Wet Bulb calculation. (TM-4002)