OTSOTS EnergyOTS R&D
XProps®
A quick and easy way to call refrigerant properties.Request Quote

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XProps® is an enhancement to NIST’s REFPROP database, a vital reference for refrigerant properties used throughout the thermal systems industry. XProps® includes all of the physical property routines from REFPROP and has the ability to define unique refrigerant mixtures.

Additionally, XProps®:

  • Supports over 65 different pure fluids and more than 35 built-in fluids and mixtures
  • Includes support for newer fluids such as HFO-1234yf
  • Supports English, SI and mixed units
  • Can access over 112 property function calls from various platforms including:
    • Microsoft® Excel® Version 2003, 2007 and 2010, 2013, and 2016 (32 bit)Click to Enlarge
    • Microsoft® Visual Basic®
    • C, C++
    • Matlab® version 2006 or higher
    • Engineering Equation Solver (EES)
    • LabVIEW®
    • Mathcad® version 13.0 or higher
    • Mathcad® Prime 3.1
    • Microsoft .NET Platform (C#, VB.NET, Managed C++) with .NET Framework 2.0
  • System Requirements
    • XProps® itself is a 32-bit program. Thus, the calling program (Excel, Matlab etc.), MUST be a 32-bit program.
    • XProps 3.0 is compatible with the following operating systems:
      • Microsoft Windows XP with SP3, 32-bit only
      • Microsoft Windows 7.0, 32-bit and 64-bit
      • Microsoft Windows 8.0/8.1, 32-bit and 64-bit
      • Microsoft Windows 10, 32-bit and 64-bit
      • Microsoft Windows Server 2008/2008 R2/2012/2012 R2, 32-bit and 64-bit
    • 2 GB RAM minimum
    • 2 GHz Dual-Core Processor or faster
    • 350 MB disk space

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