V1.0.1.0  Sep 26, 2014

If you are unable to download software, please check the following:

  • Please register a myHioki account and then use it to log in to the myHioki service.
  • Product firmware (product upgrades) and computer application software can only be downloaded for products you have registered on the myHioki service.

  • application(ST5540Memory_V101_E.zip)


download USB driver.


This PC application features the ability to download the data save in model ST5540/41, as well as save the data in CSV format.

Version Upgrade History

Ver1.0.1.0 (September 2014)
Add 2 display launguages (English and Korean)

Ver1.0.0 (November 2013)
First Release

Screen sample

Operating Environment

Windows7(32-bit or 64-bit)Windows8(32-bit or 64-bit) *Only RS-232C Inerface

Require .NET Framework2.0 (2.0 to 3.5) is installed.

Contact Information

*HIOKI welcomes opinions, suggestions, operation reports, and bug reports. Please send such communications to the following address.
*HIOKI reserves the right to incorporate any suggestions and opinions received in its products without notice.