Psychrometric Calculator

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  This 7¾" dia. 3 colour calculator determines all the properties of moist air directly from any of the 3 basic sources of measurement.

   By a simple setting of:

Wet Bulb to Dry Bulb Temperature or
Wet Bulb Temperature to Depression or
Dry Bulb Temperature to Relative Humidity

   it gives:

Dew point
Frost Point
Latent Heat
Sensible Heat

Vapour Pressure
Moisture Content
Specific Enthalpy
Specific Volume

Specific Humidity
Mixing Ratio
Vapour Density
Altitude Correction