Refprop 91 Install

This comprehensive guide covers the step-by-step installation process for REFPROP 9.1, environment configuration, and integration with popular platforms like Excel, MATLAB, and Python. System Requirements and Prerequisites

Article last updated: 2025 – for informational purposes. NIST REFPROP is a registered trademark of the National Institute of Standards and Technology.

To call REFPROP from external programming environments without explicitly hardcoding file paths, you must add REFPROP to your Windows System Path.

How to Install and Configure NIST REFPROP 9.1: A Complete Guide refprop 91 install

Before beginning the installation, ensure your system meets the following requirements:

Type =REFPROP("Water","T","P",300,101.325) into a cell. It should return a density value.

This comprehensive guide covers the full installation process for REFPROP 9.1, database configuration, and integration with third-party software like MATLAB, Python, and Excel. 1. Prerequisites and System Requirements navigate to your REFPROP folder

Under , scroll down, select the Path variable, and click Edit .

Complete Guide to Installing and Configuring REFPROP 9.1 NIST Reference Fluid Thermodynamic and Transport Properties Database (REFPROP) is the industry standard for calculating the thermophysical properties of fluids and hydrocarbon mixtures. Version 9.1 remains widely used across engineering and academic sectors due to its stability and deep integration with legacy workflows.

A licensed copy of the REFPROP 9.1 installer executable (typically named REFPROP91.EXE or provided via a secure NIST download link). Step-by-Step Installation of REFPROP 9.1 select the Path variable

: Click Browse , navigate to your REFPROP folder, select REFPRP91.XLA , and click Open .

The installation process usually follows a standard executable wizard: