Page Curator: You should obtain the same figure for both.
Body warmth will cause false rises in temperature. It enables you to predict weather patterns and is also useful if you keep indoor plants. Forgot Your Password?
Copyright 2019 Leaf Group Ltd. Wrap it around the bulb of one of the thermometers. Be sure your hands are clean when handling the instrument.
These are attached on to a frame which has a string or light chain in the middle. Search For Groups.
Show My Photos and Videos. About the Author. Drill a hole in the top of the board and attach a wooden handle to the board with a short piece of chain.
New York. The number where the two meet in the chart is the relative humidity expressed as a percent. She earned a B. Then the temperatures of both thermometers are read. How to Find Relative Humidity. Meteorologists have worked out charts of these differences for each degree of temperature so that the observer can find relative humidity easily.
How to Read a Sling Psychrometer. If the wet bulb temperature reads warmer than the dry bulb, then the water was too warm or the psychrometer is broken. Body heat and moisture can affect readings. No more swinging is necessary once you register the same reading from the wet bulb for two to three consecutive periods.
Dirt or grease will interfere with accuracy. The temperature will have reached its lowest end because the air is saturated with moisture. Contact Us.
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