V1.25 Feb 29, 2024

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 (
Procedure on how to update the firmware (IM7580S_SoftwareUpgradeManual_0.pdf)

Version upgrade should be conducted by a qualified technician familiar with the functions and operations.
If you are uncertain as to how to proceed, please contact your local HIOKI distributor for assistance.

・All software provided here is 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 "Procedure on how to update the firmware" which describes the preparation and procedure for upgrading firmware after downloading the files.

Precaution when updating software:
・To conduct the version upgrade, USB memory stick is required.
・During the version upgrade process, don't turn off the power to the IM7581 or don't remove the USB memory stick from the slot.

Firmware for the Model IM7581

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

Version :V1.25

Before you proceed

The version number of firmware can be checked by selecting the "INFO" tab of the System screen.

Version upgrade history

V1.25 (February 2024)
Bug fixes
・Fixed the problem that the Model E of equivalent circuit analysis, when the frequency type of electromechanical coupling coefficient is fr-fa and the phase is not zero-crossed, the analysis does not work properly.
・Minor problem was fixed.

V1.24 (August 2020)
Bug fixes
・The measuring instrument stops working when equivalent circuit analysis is performed with the folloing settings.
 -1.The model setting is AUTO, and the method setting is MANUAL.
Function addition
・Added support for the use of the control characters LF as a command terminator.

V1.22 (November 2018)
Fixed bug
The measurement value rarely becomes abnormal.

V1.21 (July 2017) 
 Repaired bug:
・When using the following commands, it was unable to set to off.
:CORRection:CALIbration:OPEN:LIMit OFF
:CORRection:CALIbration:SHORt:LIMit OFF
:CORRection:CALIbration:LOAD:LIMit OFF,OFF
:CORRection:COMPensation:OPEN:LIMit OFF
:CORRection:COMPensation:SHORt:LIMit OFF

V1.20 (December 2016)
Added functions or features
・Added ALL-calibration function to analyzer mode.
・Added a function to vary the number of averaging at calibration.
・Other minor problems were fixed or improved.
The PC application for the IM9905 version 1.20 or higher is compatible with the ALL-the calibration function of the analyzer mode.
For details, please contact your dealer or Hioki representative.