How To Read A Psychrometric Chart ⚡ Premium

Run your finger up the vertical axis or locate the number "80" on the bottom horizontal axis. Draw a vertical line upward from that point.

Now that you have your dot, you can derive every other property of that air mass: how to read a psychrometric chart

The real magic of the chart happens when you move from one point to another, representing an HVAC process: Run your finger up the vertical axis or

The chart is based on three primary factors: , moisture content , and energy . Before you can plot a point, you need to recognize the seven distinct scales that crisscross the graph. A. Dry-Bulb Temperature (DB) The Lines: Straight vertical lines. The Scale: Found along the bottom horizontal axis. Before you can plot a point, you need

The temperature at which water vapor begins to condense into liquid (dew). G. Specific Volume

From the intersection point, you can now determine: