Sper Scientific 840034 Psychrometer/Anemometer

This unique instrument combines the features of an anemometer and a psychrometer. Measure Air Speed, Air Volume, BTU (British Thermal Units), Air Temperature, Dew Point, Wet Bulb, and Humidity . Also calculates air volume and BTU capacity. Excellent for HVAC, IAQ and environmental work. Auto ranging with air velocity in m/s or ft/s, air volume in CFM or m3/sec and temperature in °C or °F. Features min/max/ave, hold, auto power off, LCD backlight and a computer interface. The probe detaches for easy replacement and repair. Comes in a hard carrying case complete with a probe, tripod mounting screw and 4 AAA batteries.