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225-564-A Fan Psychrometer Fahrenheit

Fan Psychrometer
225-564-A Fan Psychrometer Fahrenheit
Weight: 5 lbs
The 225-564 Fan Psychrometer is used for determination of dew point and relative humidity. It consists of 9.5-inch dry and wet bulb thermometers mounted on a common back, a water bottle, fan, motor, and 6-volt battery. It is easier to read and provides more consistent results than a conventional sling psychrometer.
Price: $415.00
Product Details

The 225-564 Fan Psychrometer is used for determination of dew point and relative humidity. It consists of 9.5" dry and wet bulb thermometers mounted on a common back, a water bottle, fan, motor, and 6-volt battery. It is easier to read and provides more consistent results than a conventional sling psychrometer.

The components are mounted on a wooden base. The bulb of the lower thermometer is covered with a close fitting tubular muslin wick. When the 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 temperatures are recorded and the humidity is determined using the chart provided or a psychrometric slide rule. Thermometer range is -20° to +120°F or -30° to +50°C. The unit comes complete with battery, humidity chart, and instructions. Replacement wicks are available.

Specifications

  • Range:
    • 225-564: -20° to +120°F (1° graduations)
    • 225-565: -30° to +50°C (0.5° graduations)
  • Size: 7" W x 5.5" D x 14.5" H
  • Accuracy: ± 0.5°F or ± 0.25°C
  • Weight/shipping: 4 lbs/5 lbs