Casella Instruments Humidity Slide Rule meta-related-collection-related-barograph-products at the wet bulb temperature

at the wet bulb temperature

Made from durable aluminium

When looking to measure outdoor humidity levels

Silver finish 8" diameter dial calibrated in inches and millibars

slate grey casing

Casella Instruments Humidity Slide Rule meta-related-collection-related-barograph-products at the wet bulb temperatureDescription Features Specification 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. Suitable for use with whirling or masons hygrometer Measurements in C or F Temperature Range 15C to +60C