Upgrading of BT5525

V1.02 Oct 27, 2023

If you are unable to download software, please check the following:
  • Please register a my HIOKI account and then use it to log in to the my HIOKI service.
  • Product firmware (product upgrades) and computer application software can only be downloaded for products you have registered on the my HIOKI service.
Firmware (BT5525V102.zip)
Version Upgrade Procedure (BT5525_Vup_en.pdf)

・All software provided here is freeware and the best version currently available.
・If the problems or errors during this download and install lead to malfunction, please contact your dealer or Hioki representative.
・The ownership, intellectual right and all other associated rights relating to the software provided here belong to Hioki E.E. Corporation.

If you have read and understand the information above and wish to proceed then please download the designated files.
As for version upgrade procedure, please download "How to update the firmware" which describes the preparation and procedure for upgrading firmware after downloading the files.

Precaution when updating firmware:
・To conduct the version upgrade, USB cable (Type A/B) is required.
・During the version upgrade process, don't turn off the power or don't remove the USB cable from the connector.


The current newest firmware versions are shown below. 
A version upgrade is highly recommended if you are running older firmware.

・Firmware Version : V1.02

How to check the version number

The version number of firmware can be checked by selecting the ”INFO” tab of the Setting screen.

Version Upgrade History

V1.02 (October 2023)
Bug fixes
・Modified to add wait for operation up to 10 ms after current limit value change, since starting insulation resistance test within 10 ms after current limit value change may cause false detection by BDD function.
・Packets (GARP) notifying updates of IP addresses, etc. are now output when LAN communication-related settings are changed.
・Added a measurement status string to GENNECT One's measured value response and changed the unit for reading timestamps to seconds "s".
・Other functional improvements have been made.

V1.01 (October 2022)