| If you know... | You can find... | | :--- | :--- | | Dry Bulb + Wet Bulb | RH, Dew Point, Enthalpy | | Dry Bulb + RH | Wet Bulb, Dew Point, Grains | | Dew Point + Dry Bulb | RH, Wet Bulb | | | Follow the lines: Vertical (DB), Diagonal (WB), Horizontal (HR), Curved (RH). |
A psychrometric chart, commonly referred to as a "psych chart," is a graphical representation of the physical properties of air and its relationship with water vapor. It's a vital tool for engineers, HVAC professionals, and anyone dealing with heating, ventilation, and air conditioning systems, as well as those in industries involving drying, humidification, and air conditioning processes. psych chart
: You can connect state points to visualize complex HVAC processes like cooling, dehumidification, and air mixing with directional arrows. | If you know
: Users can import live weather data from thousands of cities or enter specific state points (like dry-bulb and wet-bulb temperatures) to see immediate updates on the chart. | A psychrometric chart, commonly referred to as
Highway to the Comfort Zone: History of the Psychrometric Chart - MDPI
The psychrometric chart plots various parameters of air on a single graph, allowing for the easy determination of several air properties by knowing just two. The main properties plotted are:
: Users can "pinch to zoom" into crowded sections of the chart or use sliders to move points and see how other properties change in real-time. Uses and Benefits Psychrometrics - ASHRAE