Refprop 91 Install ⚡

How to Install and Set Up NIST REFPROP 9.1 NIST REFPROP 9.1 is a specialized database for calculating the thermodynamic and transport properties of industrially important fluids and mixtures. Released by the National Institute of Standards and Technology (NIST) , version 9.1 introduced key updates like 121 pure fluids and a 64-bit DLL (REFPRP64.dll) for improved integration with modern applications. 1. System Requirements Before installation, ensure your PC meets these minimum specifications: Operating System : Windows XP, 7, 8, 10, or 11 (32-bit or 64-bit). Storage : At least 10–20 MB of available hard disk space. 2. Standard Installation Steps To install the full version of REFPROP 9.1 on a Windows machine: Run the Setup : Locate your installation file (typically named nist2391.exe for version 9.1) or insert the REFPROP CD-ROM. Follow the Wizard : Execute the installer and follow the on-screen prompts. Default Directory : The software installs by default to C:\Program Files (x86)\REFPROP on 64-bit systems or C:\Program Files\REFPROP on 32-bit systems. Registration : For specialized 64-bit COM object registration, you may need to run regsvr32.exe refpropco64.dll at a command prompt. 3. Setting Up the Excel Add-In One of the most common ways to use REFPROP is within Microsoft Excel. To link version 9.1 to Excel: Linking REFPROP with Other Applications

System Requirements:

Operating System: Windows 10 or later (64-bit), Windows 7 or later (32-bit) Processor: 64-bit or 32-bit processor Memory: 4 GB RAM or more Disk Space: 500 MB or more

Installation Steps:

Download the installation file:

Go to the NIST website ( www.nist.gov ) and search for "REFPROP 9.1" in the search bar. Click on the result that matches "REFPROP 9.1" and then click on the "Download" button. Alternatively, you can directly download the installation file from the following link: https://physics.nist.gov/Software/Refprop/refprop91.zip

Extract the installation files:

Extract the contents of the zip file to a directory on your computer, such as C:\REFPROP .

Run the installation program:

Navigate to the extracted directory ( C:\REFPROP in this example) and find the file setup.exe . Double-click on setup.exe to run the installation program. refprop 91 install

Follow the installation prompts:

Follow the prompts to complete the installation. You may need to: