Refprop 91 Install

Administrative privileges are required to write to the C:\Program Files (x86) directory.

: Path mismatch or missing fluid database files. Solution : Reinstall using the Custom option and explicitly select every fluid group. Alternatively, set the environment variable REFPROP_FLUID_PATH to the folder containing .FLD files.

The recommended default folder is C:\Program Files\REFPROP or C:\Program Files (x86)\REFPROP .

To perform a thorough uninstallation:

Click and paste the exact path to your REFPROP directory (e.g., C:\Program Files (x86)\REFPROP or C:\REFPROP ). Click OK on all open windows to save the changes.

Read and accept the NIST license agreement. Enter your User Name and Organization when prompted. Step 3: Choose Destination Location

To download RefProp 9.1, visit the official NIST website ( www.nist.gov ) and navigate to the RefProp software page. Click on the "Download" button to save the installation file to your computer. refprop 91 install

: The license file is in the wrong location or has wrong line endings (Unix vs. Windows). Solution : Copy the license file directly into C:\Program Files (x86)\REFPROP\ . Open it in Notepad, save as plain text with ANSI encoding.

Click on the button at the bottom of the System Properties window.

Before running the installer, ensure your system meets the following criteria: Administrative privileges are required to write to the

The application opened the DLL successfully, but the DLL looks for the fluid database ( .FLD files) in its local directory and fails.

Installing NIST REFPROP 9.1 requires running the installer with administrative privileges and maintaining the default file structure to ensure functionality. Key steps include establishing trusted locations in Excel, enabling the REFPRP91.XLA add-in, and setting environment variables for proper integration. Read the full installation and linking guide at NIST . Linking REFPROP with Other Applications

Click the button at the bottom of the System Properties window. Click OK on all open windows to save the changes