A convenient, precise and powerful tool for HVAC
engineers. This psychrometric chart is perfectly consistent with
all ASHRAEcharts of No.1~7(SI Units) and No.1~5(IP Units).
Major update for higher precision.
1. Coordinate system of psychrometric chart is updated to dry
bulb temperature and enthalpy.2. Add ASHRAE equation support at
normal temperature and pressure region, now this psychrometric
chart is perfectlyconsistent with all ASHRAE charts of No.1~7(SI
Units) and No.1~5(IP Units).3. Water property calculation is
updated to IAPWS-IF97 equation.4. Introduced real gas effect
correlation.5. Add functions of grid snap and constant parameter
lines at cursor point.6. Add grains/lb(d.a) and psia units in
psychrometric chart.
