P901.011 FAN PSYCHROMETER
Description
For determination of dew point and relative humidity. It consists of 9.5’ dry ant wet bulb thermometer mounted on a common back, a water bottle, fan, motor, and 6-volt battery. It is easier to read and provide more consistent results than a conventional sling psychrometer. Components are mounted on a wooden base. The bulb of the lower thermometer is covered with a close fitting tubular muslin wick. When a fan is turned on for a period of 2-3 minutes, water is evaporated from the wick-covered thermometer. The wet bulb and dry bulb thermometers are recorded and the humidity is determined using the chart provided.
Thermometer range is-20 c to 120F or -30 to +50c
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