What
is PsyFunc ?
PsyFunc
is a group of psychrometric
functions for use within Excel.
PsyFunc is packaged as a
standard Excel Add-In. PsyFunc
contains eight useful
psychrometric functions in both
English and SI units, (16
functions in all) including :
Density,
SI_Density - Returns air
density given temperature, humidity ratio and
altitude.
Dewpoint,
SI_Dewpoint - Returns
dewpoint temperature given
humidity ratio and altitude.
SatVP,
SI_SatVP - Returns Vapor Pressure given
dewpoint temperature.
Enthalpy,
SI_Enthalpy - Returns
enthalpy given temperature and
humidity ratio.
RH,
SI_RH - Returns the %
relative humidity given
temperature and humidity ratio.
RH_to_Grains,
SI_RH_to_Grams - Returns
humidity ratio given temperature
and relative humidity.
Saturate,
SI_Saturate - Returns the
saturation humidity ratio given
temperature and altitude.
WB_to_Grains,SI_WB_to_Grams
- Returns humidity ratio given
drybulb temperature, wetbulb
temperature and altitude.
Wetbulb,
SI_Wetbulb - Returns Wetbulb
temperature given drybulb
temperature, humidity ratio and
altitude.
PsyFunc
was written by Jim Judge, P.E.,
an engineer active in the HVAC
and humidity control industry.
PsyFunc makes the use of
psychrometric calculations in
engineering spreadsheet as easy
as any other standard Excel
function.
PsyFunc
operates as an Add-In to Excel
(5.0 or higher) on both the PC
and the Mac. PsyFunc comes with
installation and use
instructions, help file and a
sample worksheet to showing
examples of each functions use.
To order PsyFunc go to our products page and click the buy button to the left of the PsyFunc graphic.
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