Sling Psychrometer
A Sling Psychrometer is a weather tool made to measure humidity. It can also inform you with the temperature (dry bulb) and the dew point.
How to use itFirst you assemble your sling psychrometer by using two thermometers connected to a piece of string, and a rubber band with a piece of cloth on one of the thermometers and call it the wet bulb. Then you wet the cloth with water. Also, write down the temperature for the dry bulb( the one that's not wet.) After that spin the thermometers round and round until one minute and record the wet bulb. Do this again for two more times so that you can get an accurate information and also can find out were you may have gone wrong. Once you got all the data to fi
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From:Humidity Chart. N.d. Photograph. Boomeira.org, Boomeira.org. Boomeira.org. Web. 4 Mar. 2014. <http://boomeria.org/chemlectures/equilibrium/humiditychart.jpg>.
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