Nist Refprop 9 Jun 2026

: Serving as a reference library for mass flow meters and controllers to allow field adjustments for different gas types.

NIST REFPROP 9 (Reference Fluid Thermodynamic and Transport Properties) is a legacy version of a widely used software program designed to provide high-accuracy thermophysical properties of industrially important fluids and their mixtures. While it has been superseded by newer versions like REFPROP 10 , it remains a foundational tool in mechanical engineering and thermodynamics. nist refprop 9