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Downloadable Vector Network Analyzer Uncertainty Calculator

Read the license agreement before downloading the Uncertainty Calculator program.
To do so, scroll down to Supporting Documentation and click License Agreement. By downloading this Uncertainty Calculator program, you agree to be bound by the terms of this license agreement. If you do not agree to all of these terms, do not download the program.

Release Date Version Version Description
2016-10-31 The Uncertainty Calculator helps you determine measurement uncertainty due to your vector network analyzer and calibration kit.

How to Download

  • 1. Click the Download button and download either 32 bit or 64 bit version to your computer. Save it to the directory of your preference.
    2. Browse to the directory you just selected on your computer and unzip the UC0100_(32 or 64).zip file. If necessary download the free ZIP reader at: Unzipping file UCO100_(32 or 64).zip extracts three files: "VNAUncertainty.msl", "setup.exe", and "KeysightUncert.xlsm". "VNAUncertainty.msl" contains the .dll file that calculates the measurement uncertainty data. "Setup.exe" installs the .dll file and "KeysightUncert.xlsm" displays the data.

How to Install

  • 1. Run "setup.exe" and follow the instructions in the setup wizard. (In some cases you may need to use the computer's control panel to delete the previous version of ­VNAUncertainty­.
    2. Run "KeysightUncert.xls" in Microsoft Excel. If necessary, follow the Excel prompts to override security blocks and enable content and macros. For example, if Excel opens the program in Protected View, click on the hyperlink, "Office has detected a problem with this file­ Click here for more details" and make the appropriate selections to override the security blocks.
    3. Activate the Uncertainty Calculator by clicking the [Select Network Analyzer] button.
    4. Follow the instructions provided in the program to display the measurement uncertainty data.


  • Does Not Require a License

Supporting Documentation


Installs on:


Operating System

  • Windows 8
  • Windows 7
  • Windows XP SP3
  • Windows XP SP2
  • Windows XP


  • Office 2013 32-bit products are supported on the following Windows operating systems:
    ­ Windows 10 (32-bit or 64-bit)
    ­ Windows 8.1 (32-bit or 64-bit)
    ­ Windows 8 (32-bit or 64-bit)
    ­ Windows 7 (32-bit or 64-bit)
    ­ Windows Server 2012 R2 (64-bit)*
    ­ Windows Server 2012 (64-bit)*
    ­ Windows Server 2008 R2 (64-bit)*
  • Office 2013 64-bit products are only supported on the following Windows operating systems:
    ­ Windows 10 (64-bit)
    ­ Windows 8.1 (64-bit)
    ­ Windows 8 (64-bit)
    ­ Windows 7 (64-bit)
    ­ Windows Server 2012 R2 (64-bit)*
    ­ Windows Server 2012 (64-bit)*
    ­ Windows Server 2008 R2 (64-bit)*