Eco-POWER METER Version Upgrade Tool KW Version Upgrade Tool Ver.1.61

Information you need to know before using the software (Essential reading)


  • This software will no longer be supported or posted on the web as of the end of September 2025.
    We apologize for any inconvenience and appreciate your kind understanding.

About Eco-POWER METER Version Upgrade Tool KW Version Upgrade Tool Ver.1.61

You can use KW Version Upgrade Tool to upgrade the firmware or Web contents of KW2G, KW2G-H, KW9M and KW2M via LAN cable, USB cable or RS485 communication.

  • KW2G main unit is necessary to upgrade KW2G series.
  • KW2G is connected via USB cable. KW9M is connected via USB cable or RS485. KW2M is connected via LAN cable.

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Be aware of the following points listed below.
This software is freeware. The copyright for this software is held by Panasonic Industrial Devices SUNX Co., Ltd. By using this software it is assumed that you agree to "Conditions of Use" presented below.

Conditions of Use

  • Panasonic Industrial Devices SUNX does not warrant anything regarding the use of this software.
  • Panasonic Industrial Devices SUNX will not assume responsibility of any sort for direct, indirect, repercussive, resulting or special damage that results from using this software or from the operation of the software itself.
  • Panasonic Industrial Devices SUNX does not restrict the use, copying or distribution of this software.
    However, when copying or distributing, Panasonic Industrial Devices SUNX prohibits the procurement of fees other than the cost of media, and prohibits the applying of restrictions in use of the software.

System Requirements

Make sure that the computer on which you intend to run the software meets the minimum specifications listed below.

OS(*1) Windows 10 Pro(*2) / Windows11 Pro(*2)
(Windows 8(*2) / 8.1(*2))
Available hard disk space 10MB or more
Recommended CPU 64-bit processor with 2 Cores or more at 1 GHz
Recommended system RAM 4GB or more
Recommended display resolution 1280×768 or more
Recommended color depth High Color(16bit) or more
Applicable model KW2G series, KW9M, KW2M series
*1 For those downloaded after October 2, 2023, the supported OS is Windows 10/11only.
*2 Even if a customer stores a file created by the customer in ¥Program files, the file will be automatically stored in /userID/AppData/Local/VirtualStore.

How to Install

1.Click on the title of the file name (listed below) that you want to download and indicate the download destination.

*When you already have indicated the download destination, the file will be downloaded automatically.

Title Language Version File size Update
kwversionup_v161(32bit).exe EN 1.61 6.5MB March 1, 2021
kwversionup_v161(64bit).exe EN 1.61 6.8MB March 1, 2021

*Confirm whether a computer to use is for 32-bit version or 64-bit version.
You can check on "Control panel" -> "system".

2.When the download is finished, double-click the file to begin the installation process.

Please double-click the file [kwversionup_v161(32bit)] or [kwversionup_v161(64bit)] > [setup.exe] to begin.
During installation be sure to read the License Agreement.
Users who continue with the installation are regarded as assenting to the conditions of use in the License Agreement.


3.After completing the installation, reboot the computer.


*When you'd like to update KW Version Upgrade Tool in PC, already KW Version Upgrade Toll installed, uninstall the previous version before installation of the latest version.


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