SPER SCIENTIFIC Anemometer/Thermometer

Precision measuring instrument gives you accurate, identical readings regardless of airflow direction or position.
Specifications: Detachable probe makes repair easier. Freeze function freezes data on display. The large LCD simultaneously displays air speed (choose either meters/seond, kilometers/hour, feet/minute, miles/hour, or knots) and temperature (select ^oC or ^oF). Automatic power off. Includes case. No. 132790 enables all meters with RS232 ports to be plugged into any USB port, is compatible with Windows 95, 98, 98ME, 2000, XP, and comes with instructions and a CD containing drivers.