Wet-Bulb Sling Psychrometer

RH, dew point, and GPP from dry-bulb and wet-bulb.

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Formula and source

Sling psychrometer dry-bulb / wet-bulb pair → relative humidity, dew point, and grains per pound via August-Roche-Magnus saturation-vapor-pressure approximation.

August-Roche-Magnus formulation by name; ASHRAE Fundamentals psychrometric chart by name.

Audience

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Posture

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