Firmware Update for AC6900 Three-Phase AC Power Source

AC6900 Firmware Version

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
2026-05-21 1.18 Firmware version 1.18 for AC6900
Release Date Version
2026-05-21 1.18
Version Description
Firmware version 1.18 for AC6900

How to Download

  • AC6900 supports two firmware updating options, Firmware Update Tool and USB. 
  • Please refer to the documents at 'Supporting Documentation' below.

How to Install

  • AC6900 supports two firmware updating options, Firmware Update Tool and USB. 
  • Please refer to the documents at 'Supporting Documentation' below.

Licensing

  • Does Not Require a License

Installs on: Instrument

Operating System

  • Not applicable

Prerequisites

  • Information not Available

Supported Instruments

  • AC6903L/H, AC6906L/H, AC6912L/H and AC6918L/H

How to Download

  • AC6900 supports two firmware updating options, Firmware Update Tool and USB. 
  • Please refer to the documents at 'Supporting Documentation' below.

How to Install

  • AC6900 supports two firmware updating options, Firmware Update Tool and USB. 
  • Please refer to the documents at 'Supporting Documentation' below.

Licensing

  • Does Not Require a License

Installs on: Instrument

Operating System

  • Not applicable

Prerequisites

  • Information not Available

Supported Instruments

  • AC6903L/H, AC6906L/H, AC6912L/H and AC6918L/H

How to Download

  • AC6900 supports two firmware updating options, Firmware Update Tool and USB. 
  • Please refer to the documents at 'Supporting Documentation' below.

How to Install

  • AC6900 supports two firmware updating options, Firmware Update Tool and USB. 
  • Please refer to the documents at 'Supporting Documentation' below.

Licensing

  • Does Not Require a License

Installs on: Instrument

Operating System

  • Not applicable

Prerequisites

  • Information not Available

Supported Instruments

  • AC6903L/H, AC6906L/H, AC6912L/H and AC6918L/H

How to Download

  1. Click the download button.
  2. Save the file to your computer and note the directory where the file is saved.
  3. Unzip the file and save the 'CHECKSUM' and 'update' files separately on a USB thumbdrive.

How to Install

  1. Mount the USB thumbdrive on the USB port on the front panel.   
  2. Go to Utilities > System Settings > About > Firmware Update to update the firmware.
  3. Reboot the instrument upon firmware update.

Licensing

  • Does Not Require a License

Installs on: Instrument

Operating System

  • Not applicable

Prerequisites

  • Information not Available

Supported Instruments

  • AC6903L/H, AC6906L/H, AC6912L/H and AC6918L/H

How to Download

  1. Click the download button.
  2. Save the file to your computer and note the directory where the file is saved.
  3. Unzip the file and save the 'CHECKSUM' and 'update' files separately on a USB thumbdrive.

How to Install

  1. Mount the USB thumbdrive on the USB port on the front panel.   
  2. Go to Utilities > System Settings > About > Firmware Update to update the firmware.
  3. Reboot the instrument upon firmware update.

Licensing

  • Does Not Require a License

Installs on: Instrument

Operating System

  • Not applicable

Prerequisites

  • Information not Available

Supported Instruments

  • AC6903L/H, AC6906L/H, AC6912L/H and AC6918L/H

How to Download

  1. Click the download button.
  2. Save the file to your computer and note the directory where the file is saved.
  3. Unzip the file and save the 'CHECKSUM' and 'update' files separately on a USB thumbdrive.

How to Install

  1. Mount the USB thumbdrive on the USB port on the front panel.   
  2. Go to Utilities > System Settings > About > Firmware Update to update the firmware.
  3. Reboot the instrument upon firmware update.

Licensing

  • Does Not Require a License

Installs on: Instrument

Operating System

  • Not applicable

Prerequisites

  • Information not Available

Supported Instruments

  • AC6903L/H, AC6906L/H, AC6912L/H and AC6918L/H

How to Download

  1. Click the download button.
  2. Save the file to your computer and note the directory where the file is saved.
  3. Unzip the file and save the 'CHECKSUM' and 'update' files separately on a USB thumbdrive.

How to Install

  1. Mount the USB thumbdrive on the USB port on the front panel.   
  2. Go to Utilities > System Settings > About > Firmware Update to update the firmware.
  3. Reboot the instrument upon firmware update.

Licensing

  • Does Not Require a License

Installs on: Instrument

Operating System

  • Not applicable

Prerequisites

  • Information not Available

Supported Instruments

  • AC6903L/H, AC6906L/H, AC6912L/H and AC6918L/H

How to Download

  1. Click the download button.
  2. Save the file to your computer and note the directory where the file is saved.
  3. Unzip the file and save the 'CHECKSUM' and 'update' files separately on a USB thumbdrive.

How to Install

  1. Mount the USB thumbdrive on the USB port on the front panel.   
  2. Go to Utilities > System Settings > About > Firmware Update to update the firmware.
  3. Reboot the instrument upon firmware update.

Licensing

  • Does Not Require a License

Installs on: Instrument

Operating System

  • Not applicable

Prerequisites

  • Information not Available

Supported Instruments

  • AC6903L/H, AC6906L/H, AC6912L/H and AC6918L/H
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