Airflow + Psychrometer
The Mastercool Airflow + Psychrometer is a battery-operated, micro processor-based meter that reads humidity, air temp., dew point, wet bulb, air velocity, air volume and BTU. The sensor is built into the remote fan and is protected by a rotating cap. With auto-off with disabling, fast and accurate reading, tripod mountable, microprocessor circuitry, metric and inch units selection, large backlit LCD display, professional remote vane, all in a handheld size unit. Operates on 4 AAA batteries and has a low battery indicator.