Version Upgrade for Model LR8512 LR8513 LR8514 LR8515

V1.43 Jun 16, 2022

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 (LR8512_LR8515_VersionUpgrade.pdf)

・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.

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.

Precaution when updating firmware:
During the version upgrade process, DO NOT turn off the power to the instrument. Turning power off will result in failure to upgrade, and the instrument must be returned to the HIOKI factory for repair.

Firmware for the Model LR8512, LR8513, LR8514 , LR8515

The current newest firmware versions are shown below. A version update is highly recommended if you are running older firmware.
Firmware Version :V1.43

How to check the version number

Version number of firmware is indicated at turning on the power.

About Wireless Logger Collector software

Free running function and maximum recording mode can be used on the Wireless Logger Collector software version 1.03 (for PC)/V1.02(for Android) or later.

The folllowing Current Sensors can be used on the Wireless Logger Collector software version 1.05 (for PC)/V1.05(for Android) or later.
CT7631, CT7636, CT7642, CT7731, CT7736, CT7742, CT9667-01/-02/-03, CT7044, CT7045, CT7046

The latest version of PC software can be downloaded from our website.
(Top page > Technical Support > Drivers, Firmware)
The latest version of Android software can be downloaded from Google Play Store.

Version Upgrade History

V1.43 (June 2022) Newest Version
1. Fixed a malfunction in which the Bluetooth module does not turn off at the power saving start time only on the day when the "Continuous Reception Time" of the power save setting is changed to "10 hour" to "12 hour".

V1.42 (February 2019)
1. Improved Bluetooth communication connectivity.

V1.41 (November 2018)
Resolved bugs
It was found that recording could not start when all of the following measurement conditions are met:
*  3 or more units of the LR851X Series and/or LR8520 are connected to the LR8410 Wireless Logging Station
*  Recording interval is longer than 1 min
*  Measurement is repeated under these conditions at least twice

V1.40 (September 2016)
1. The defect which can't measure in less than -35 deg C of environment was corrected (only LR8514).
Added functions
1. The following Current Sensors can be supported. (only LR8513)
 CT7631, CT7636, CT7642, CT7731, CT7736, CT7742, CT9667-01/-02/-03, CT7044, CT7045, CT7046

V1.31 (March 2016)
1. When the power turned off during monitor function or free running function, the defect by which a battery is consumed was corrected. (only LR8512/LR8513/LR8515).
2. Minor bugs were corrected.

V1.30 (August 2015)
1. The defect which can’t communicate with LR8410 was corrected.
2. When a use channel is restricted to 1ch, the defect by which measured data can’t be collected from Wireless Logger Collector (accessory PC application) was corrected.
Added functions
1. Maximum value recording mode (only LR8513).
2. Free run function (only LR8513/LR8514/LR8515).

V1.22 (March 2015)
1. When measurement is begun by a key operation of this instrument during numerical value monitoring from PC/Android application, the defect by which the measure becomes abnormal is corrected.

V1.21 (February 2015)
Added functions
1. Use as stand-alone (manual data collection).
2. Control from Wireless Logger Collector (PC/Android) application.