Always update your handheld LCR Meter with the latest firmware to maximize the performance of the instrument. Please follow all the instructions below step-by-step to ensure the firmware installation is successful.

Keysight recommends using the most current version, which includes the most up-to-date bug fixes and security patches available.
Release Date Version Version Description
2022-04-04 3.07.002 Update to fix a defect which allows user to update the firmware even though the unit does not meet the minimum serial number requirement
Release Date Version
2022-04-04 3.07.002
Version Description
Update to fix a defect which allows user to update the firmware even though the unit does not meet the minimum serial number requirement

How to Download

  1. Unzip the zip file to a folder.
  2. Go to the folder PL23XX_Prolific_DriverInstaller_v202, click on “PL23XX-M_LogoDriver_Setup_v202_20200527.exe” to install the U5481B IR-USB cable driver.
  3. Double click the “Keysight U173xC Firmware Update Software (Version 3.07.002)” installer file to install the program.

How to Install

  1. Connect the LCR meter to your PC via the U5481B IR-USB connectivity cable and turn on the LCR meter.
  2. Go to Start > All Programs > Keysight Technologies > Keysight U173XC Firmware Update > Keysight U173XC Firmware Update Software (Version 3.07.002).
  3. Click “Auto Search COM Port” button to search and detect the unit. The model number, serial number and current firmware version of the LCR meter will be displayed in the “Model Number”, “Serial Number” and “Current Version” field.
  4. Make sure the instrument is connected before you start the firmware update. Click “Upload Firmware” to start the firmware update.
  5. The LCR meter will reset and recover itself after firmware update.

Licensing

  • Does Not Require a License

Supporting Documentation

Download

Installs on: Instrument

Operating System

  • Windows 10
  • Windows 7
  • Windows Vista
  • Windows XP

Prerequisites

  • System Requirements: Intel Pentium 4, 1GHz or equivalent, 512MB RAM, 1GB HDD free space.
    Required Accessory: U5481B IR-USB Connectivity Cable.

    Note:
    U1731C, serial number above MY55200000 allowed to perform firmware update to version 3.07.002
    U1732C, serial number above MY55240000 allowed to perform firmware update to version 3.07.002
    U1733C, serial number above MY55220000 allowed to perform firmware update to version 3.07.002

Supported Instruments

  • U1731C, U1732C, U1733C
No previous versions available
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