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Assman Psychrometer


This is an aspirated type portable hygrometer for the accurate measurement of atmospheric humidity. It consists of two thermometers exposed side by side in a steady airflow produced by an attached aspirator. One of the thermometers serves as a dry bulb while the other, with its bulb kept moist with wet sleeve acts as a wet bulb. As water evaporates, the temperature of wet bulb is lowered to an equilibrium point. This depression of W.B. temperature along with the ambient D.B. temperature is a measure of moistness or humidity of the ambient air which can be readily obtained from a computed table or slide rule specially made to express in units of relative humidity, dew point temperature or vapour pressure.

Technical Specs

Model RHGI
Measurement Range 0 to 50 deg C
Accuracy +-0.2 deg C

Data sheet

Catalogue



See also
Assman Psychrometer
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