: It only includes a limited number of fluids (usually Water, Nitrogen, Oxygen, and Argon).
Users with a valid license for older versions like 9.x can upgrade to the latest version for approximately $125.00 . refprop 91 free
: It uses state-of-the-art Helmholtz energy equations of state for pure fluids and mixtures. : It only includes a limited number of
If you require the full capabilities of the software, you must purchase a license: If you require the full capabilities of the
The full version of REFPROP is a paid resource, with pricing typically around $325 for a new license and $125 for an upgrade. mini-REFPROP (Free) REFPROP 9.1/10 (Paid) $0 (Free download) Fluid Count ~10 Fluids (e.g., Water, CO2cap C cap O sub 2 147+ Fluids Purpose Introduction to Thermodynamics Industrial design & Research Support No Technical Support Full NIST Support Interface GUI, Excel, Python, C++, etc.