Main > Home & Education > Science > Psychrometric + Duct Calculator

A useful tool for HVAC engineers. This psychrometric chart use IFC-67 equation for water property calculating, and treat air as ideal gas. So this chart can be used in more large range and is more precise. Metric and english units support; Eastern and western style support; Powerful process calculating; Include thermal and adiabatic calculating for air/liquid duct. 30 days trial, free upgrade.

Key features of Psychrometric + Duct Calculator:

• Metric units(SI) and english units(I/P) support
• Eastern style and western style chart support
• Angle reference of process line ratio for enthalpy-humidity and sensible-total heat
• Zoom in, zoom out chart by rolling mouse wheel, and pan chart by pressing middle mouse button and moving mouse
• Chart toolbar for easily processing chart copy, export, print, pan, zoom, redraw and style selection
• Save and load data function for each data input grid, this is convenient and not need to input data every time restart program
• Option for saving all input data to disk before exit and load them when restarted next time
• Copy chart to clipboard as wmf or bitmap format
• Print function, aspect ratio can be adjust by moving chart boder
• Moist and bulb temperature axis range can be changed
• Ambient altitude range from 0 to 40km, ambient pressure 0~25bar
• Point to be transformed can be drawn on chart
• Optional chart ploting setup
• Colors, line types, line width and font display configeration of chart elements
• Preset and user defined chart display configeration groups select, change, add and delete
• Precise and large internal drawing for smooth line appearance and print effect

System Requirements: 

• 200MHz CPU, 64M RAM,10M free disk space

Psychrometric + Duct Calculator screenshot: