Psychrometric Chart Plotting and Air Process Analysis

This tool allows you to define air state points on a psychrometric chart and analyze heating, cooling, humidification, and dehumidification processes between these points.

For accurate evaluation of air processes in HVAC and ventilation systems, psychrometric properties such as temperature, relative humidity, humidity ratio, and enthalpy are calculated automatically.

View

Units

Altitude (m)

Temperature range

W max (g/kg)

Tip: Click near a point to select it.

Hover (2 parameters)

Two selected values are displayed while hovering with the mouse.

Add / Update Point

Mode

Multi-point

Select point

When a point is selected: click on the chart → the point moves / enter values in the inputs → the point updates.

Enter Tdb (°C) and W (g/kg₍da₎).

Difference Between Points

Select two points.