Sling Psychrometer
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Use this simple apparatus to measure relative humidity.
- Requires assembly
The thermometers mount on a wooden handle so they can be spun to obtain temperature readings.
Ordering information: Includes an activity guide with relative humidity calculation table. Includes two plastic-backed Celsius thermometers, one for dry bulb measurements and the other for wet bulb measurements.
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Use this simple apparatus to measure relative humidity.
- Requires assembly
The thermometers mount on a wooden handle so they can be spun to obtain temperature readings.
Ordering information: Includes an activity guide with relative humidity calculation table. Includes two plastic-backed Celsius thermometers, one for dry bulb measurements and the other for wet bulb measurements.