Psychrometric Graph «WORKING»

The curved line that hugs the left edge of the chart is the saturation line (or 100% Relative Humidity line). Any point on this line represents air that holds the maximum possible amount of water vapor for that specific temperature. This is the boundary beyond which condensation occurs (the dew point).

The chart allows the user to determine the state of air based on two known properties. Once two properties are known, the rest of the properties can be read directly from the chart. This eliminates the need for complex manual calculations involving the ideal gas law and humidity ratios. psychrometric graph

The psychrometric graph has numerous applications in various fields, including: The curved line that hugs the left edge

Standard psychrometric charts are published by ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) and are available for various altitudes. The chart allows the user to determine the

Once you learn to see the air through these lines, you will never look at a cloudy window or a sweat glass of iced tea the same way again. You are seeing psychrometrics in action.

This is the temperature at which the air becomes saturated (100% RH) if cooled at constant pressure. To find it, move horizontally left from your point to the saturation curve.