Please note that you DO NOT need to return your E4991B to Keysight service center for updating the firmware. The E4991B firmware upgrade can easily be performed on your own with the information and tools available on this Web page.

Keysight empfiehlt die Verwendung der aktuellen Version, die die neuesten verfügbaren Fehlerbehebungen und Sicherheitspatches enthält.
Veröffentlichungsdatum Version Versionsbeschreibung
2025-10-23 B.04.00 E4991B Firmware Revision B.04.00
Veröffentlichungsdatum Version
2025-10-23 B.04.00
Version Description
E4991B Firmware Revision B.04.00

Wie geht das Herunterladen

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Lizenzierung

  • Does Not Require a License

Dokumentation

Download

Installs on: Instrument

Betriebssystem

  • Windows 11
  • Windows 10

Voraussetzungen

  • No specific prerequisites.

Supported Instruments

  • E4991B

Wie geht das Herunterladen

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Lizenzierung

  • Does Not Require a License

Dokumentation

Download

Installs on: Instrument

Betriebssystem

  • Windows 10

Voraussetzungen

  • No specific prerequisites.

Supported Instruments

  • E4991B

Wie geht das Herunterladen

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Lizenzierung

  • Does Not Require a License

Dokumentation

Download

Installs on: Instrument

Betriebssystem

  • Windows 7
  • Windows 10

Voraussetzungen

  • No specific prerequisites.

Supported Instruments

  • E4991B

Wie geht das Herunterladen

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Lizenzierung

  • Does Not Require a License

Dokumentation

Download

Installs on: Instrument

Betriebssystem

  • Windows 7
  • Windows 10

Voraussetzungen

  • No specific prerequisites.

Supported Instruments

  • E4991B

Ähnliche Links

Wie geht das Herunterladen

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.
     

Lizenzierung

  • Does Not Require a License

Dokumentation

Download

Installs on: Instrument

Betriebssystem

  • Windows 7

Voraussetzungen

  • No specific prerequisites.

Supported Instruments

  • E4991B

Ähnliche Links

Wie geht das Herunterladen

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Lizenzierung

  • Does Not Require a License

Dokumentation

Download

Installs on: Instrument

Betriebssystem

  • Windows 7

Voraussetzungen

  • No specific prerequisites.

Supported Instruments

  • E4991B

Ähnliche Links

Wie geht das Herunterladen

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.
     

Lizenzierung

  • Does Not Require a License

Dokumentation

Download

Installs on: Instrument

Betriebssystem

  • Windows 7

Voraussetzungen

  • No specific prerequisites.
     

Supported Instruments

  • E4991B

Ähnliche Links

Wie geht das Herunterladen

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Lizenzierung

  • Does Not Require a License

Dokumentation

Download

Installs on: Instrument

Betriebssystem

  • Windows 7

Voraussetzungen

  • Information Not Available

Supported Instruments

  • E4991B

Ähnliche Links

Wie geht das Herunterladen

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Lizenzierung

  • Does Not Require a License

Dokumentation

Download

Installs on: Instrument

Betriebssystem

  • Windows 7

Voraussetzungen

  • Information Not Available

Supported Instruments

  • E4991B

Ähnliche Links

SHOW MORE