Found by following a horizontal line to the left until it hits the saturation curve. It is the temperature where condensation begins.
Reading the chart is essentially a game of "connect the dots." Follow this process to find the state of your air: 1. Identify Your Known Points how do you read a psychrometric chart
These are horizontal lines with values on the right-side vertical axis. It measures the weight of water vapor per pound of dry air. Found by following a horizontal line to the
The chart is built from five families of lines. Learn to spot each one: how do you read a psychrometric chart
These are steeply sloped diagonal lines. They indicate how many cubic feet one pound of dry air occupies. How to Use the Chart: Step-by-Step