HUMIDITY

 % Relative Humidity

%RH = relitive humidity in percentage

Ps(ta) = the saturation pressure of the gas from a reference table at temperature ta

Ps(tdew) = the saturation pressure of the gas from a reference table at temperature (tdew)

 

% Relative Humidity

Image172a.gif (1141 bytes)

%Rh = relitive humidity in percentage

Ah = absolute humidity in grains per foot

Cap = capacity of air in grains per foot at that temperature
 

  Humidity using Sling Psychomerter and  Wet Bulb Depresion Chart

D = ta - tw

ta = temperature dry bulb

tw = temperature wet bulb

% Relative Humidity Calculators:

Air Temperature (C)

Dew Point (C) Relative Humidity

%

Air Temperature (C) Wet Bulb Temperature (C) Pressure (mmHg) Relative Humidity Dew Point

%

C

  Calculating % Relative Humidity

Dry Bulb Temperature (F):

  Wet Bulb Temperature (F):

Barometric Pressure (inHg):

(note: wet bulb temperature must be less than dry bulb temperature)

Dew Point Temperature (F):

Relative Humidity (%):

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