Refprop 91 Install !exclusive!
: Windows XP through Windows 11 (32-bit or 64-bit).
Before installation, ensure your PC meets these minimum specifications:
REFPROP is a commercial product. You must have the REFPROP91.EXE setup file or the physical media purchased from NIST.
In Excel, go to File > Options > Add-Ins . At the bottom, select "Excel Add-ins" from the Manage dropdown and click Go . Browse to your REFPROP folder and select REFPROP.xlam .
Then the test. I opened the GUI. A white canvas greeted me: a list of fluids, a neat property table, small input boxes waiting for temperature and pressure. I typed 300 K, 101.325 kPa, selected water. Numbers appeared with polite speed — densities, enthalpies, sound speed — each value a tiny revelation. The DLL call from Python produced the same numbers; the MATLAB wrapper returned an array like a well-behaved pet. refprop 91 install
Once installed, you can link the REFPROP database to external applications like MATLAB, Excel, or Python: Microsoft Excel Linking Open Microsoft Excel on your computer.
Copy the refpropm.m file from the scripts folder in your REFPROP directory to your MATLAB work folder. You will also need to ensure the REFPROP.DLL is accessible in the system path. Python (CoolProp Wrapper)
Check . Even if you don’t think you need them now, you will likely appreciate them later.
Locate your REFPROP 9.1 installation file (often named REFPROP91.EXE or found within a disk image). Right-click the installer and select . The InstallShield Wizard will launch. Click Next . Step 2: License Agreement and User Info : Windows XP through Windows 11 (32-bit or 64-bit)
REFPROP 9.1 offers a wide range of features and applications:
Windows XP through Windows 11 (REFPROP is natively a Windows application).
: A licensed copy of the REFPROP 9.1 executable setup file (typically named SETUP.EXE or provided via a digital download link from NIST). Step-by-Step Core Installation
The installer typically opens with a language selection (English/German/Japanese). Click “OK.” Then, read the NIST Software License Agreement. You must check “I accept the agreement” to proceed. In Excel, go to File > Options > Add-Ins
Before beginning the installation, it is crucial to verify that your system meets the basic requirements and to take a few preparatory steps to avoid common issues. Version 9.1 is a 32-bit application, which affects where the installer will place its files on your system.
The system prompted for the Fortran runtime — a companion expected to be present. It installed silently, like a hand sliding a key into a lock. A moment later, a dialog requested permission to set environment variables. Yes: add REFPROP to the PATH. The thought of invoking thermodynamic properties from any terminal felt like granting the software the freedom to be called wherever curiosity led.
You must run the installer as an administrator to write to the Windows Registry and the C:\Program Files (x86) directory.
You must also copy the file REFPROP.DLL from the installation folder to your C:\Windows\SysWOW64 directory (for 64-bit Windows) or C:\Windows\System32 (for 32-bit Windows). This allows Excel to "see" the engine. 4. Connecting to MATLAB
