Simple humidity conversion table via a slide rule. Ideal for use with either a whirling hygrometer or instrument screen with masons hygrometer.
After taking your dry bulb temperature, simply set the rule, and, at the wet bulb temperature, read off the percentage relative humidity figure.
|Temperature Range||-15°C to +60°C|
Masons wet and dry bulb hygrometer for measuring relative humidity. Supplied mounted in a yellow plastic case complete with wick, reservoir and relative humidity conversion tables. These...
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