Refprop 9 0 Portable <Simple — 2026>

: The main graphical user interface (GUI) application.

Running software without leaving traces on the host computer is appealing for consulting work, shared laboratory stations, or any scenario where you prefer not to modify the system configuration.

The NIST Reference Fluid Thermodynamic and Transport Properties Database (REFPROP) is the gold standard for engineers, scientists, and researchers who need accurate thermophysical properties of fluids and mixtures. Version 9.0 remains widely used across industries for its stability and precision. However, standard installations require administrative privileges and hardcoded registry paths, which can limit productivity. Creating a portable version of REFPROP 9.0 solves these issues, allowing you to run calculations directly from a USB drive or shared cloud folder without installation. refprop 9 0 portable

If you are specifically using the 9.0 "portable" or legacy version, be aware of several documented calculation errors that NIST has addressed in later patches or Version 10: Incorrect

Version 10.0 (released in 2018) expands the database to 147 pure fluids, adds new equations of state for ammonia and helium, improves mixture models, and optimizes calculation speed. Version 9.0 remains capable but lacks these enhancements. : The main graphical user interface (GUI) application

Test the portable copy by running REFPROP.EXE directly from the USB drive on a different computer. The program should launch and function normally, as the NIST installer does not require a key or other security item to run the program.

It prevents version conflicts if you need to run REFPROP 9.0 alongside newer versions (like REFPROP 10.0) on the same machine. Core Components of a Portable REFPROP Folder Version 9

If calculations return errors, you may need to add a small VBA function or modify the file path string within the Add-in to explicitly point to the location of REFPROP.DLL on your portable drive. Python and MATLAB Wrappers

An updated release (v9.1) was published in 2013 with enhanced algorithms and additional fluids. Recent Reference Paper