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This easy-to-use, flexible white plastic Pocket Psychrometric Slide Rule quickly calculates the percent of relative humidity by comparing wet and dry bulb thermometer temperatures. The temperatures are listed in Fahrenheit from 20° to 100°F with relative humidity marks from 10 to 100%. Rule measures 7/8"W x 6-3/4"L and can be used with any sling psychrometer.
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CAGE Code: 3ZEL7 | DUNS: 18-854-1176
Reference Number: WB0000