Psychrometer/Anemometer, Sper Scientific
This unique instrument combines the features of an anemometer and a psychrometer: Air Speed, Air Volume, BTU (British Thermal Units), Air Temperature, Dew Point, Wet Bulb, 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.
Ordering information: 5-year warranty. Comes in a hard carrying case complete with a probe, tripod mounting screw and 4 AAA batteries.