TR-75nw Firmware Update Tool

This is an update program for the TR-75nw firmware.


This is an update program for the TR-75nw firmware.

Compatible ProductsTR-75nw
VersionVer. 1.04 (September 2, 2019)
File Nameapp_tr75nw-firm-104-all-eng.exe
File Size7.26 MB
Operating EnvironmentCompatible OS *1
Microsoft Windows 10 32/64bit
Microsoft Windows 8 32/64bit
Microsoft Windows 7 32/64bit
Display Languages *2
CopyrightT&D Corporation
ReplicationCopying to another media is expressly forbidden
*1: For installation, it is necessary to have Administrator (Computer Administrator) rights.
*2: We recommend using an operating system in the same language as the display language. Operation in different language is not guaranteed.

How to Check your TR-75nw Firmware Version

See below for how to check your firmware version depending on your interface method.

T&D WebStorage Service :

  1. From the [Devices] menu, open the settings window by clicking the [Settings] button for the desired device.
  2. Read off the "Firmware" version next to the "Serial Number" located at the top of the window.

PC :

  1. Open T&D software "TR-7wb/nw for Windows" and connect your device via USB to the computer.
  2. Read off the "Firmware Version" value located at the lower left on the screen.

Installation Procedure

  1. Double-click the update package to extract it to your hard drive.
  2. Follow instructions in Set up Program.
  3. Program will automatically be installed on the Hard Disk.

Revision History

Ver. 1.04 September 02, 2019

  • Added low battery warning to the warning settings menu.

Ver. 1.03 April 11, 2018

  • Fixed a problem that caused the logger to display and record the internal temperature for cold junction compensation instead of the actual sensor measurement.

Ver. 1.02 December 19, 2017

  • Fixed an issue where temperature measurement occasionally did not automatically start upon turning on the logger.

Ver. 1.01 September 08, 2017

  • Fixed a problem that caused a warning not to be detected in the following conditions:
    • When operations such as recording start or warning setting changes are performed on the logger whose battery power at that time was too low to send a warning.
    • When a warning occurs on the logger when resetting the network connection due to network error, etc.
  • When updating the firmware via T&D WebStorage Service, the operation log is now only recorded and displayed once upon successful completion of the update.
  • When the logger enters sleep mode (“SLP” display on LCD), the operation log is now only recorded and displayed once.
  • When the battery runs low and automatic data upload stops, the error log is now only recorded and displayed once.

User Agreement


  1. Although T&D Corporation has carried out operational tests on T&D Graph, hereafter referred to as "the software", we cannot guarantee that all operations will work properly under all conditions.
  2. T&D Corporation shall not accept any responsibility for any damage whether direct or indirect that results from the usage of the software.
  3. Specifications of the software may be subject to change and service may be terminated without advance notice to the user. In such a case T&D Corporation shall not be responsible for any damages whether direct or indirect from the inability to use the software.
  4. T&D Corporation has no obligation to correct any defects found in the software.


  1. All copyrights for the software, including all of the programs and all related documents, are the sole property of T&D Corporation.
  2. The software is for use free of charge. Redistribution is permitted as long as it is to others for non-profit. In this case, all terms and conditions as written in the above disclaimers automatically transfer and hold true and valid for the party to which the program was redistributed. Please note that if you wish to commercially redistribute the program please contact your local distributor or T&D representative.
  3. The reprinting or redistribution for commercial purposes whether in part or in whole, in magazines or as a part of any product is strictly forbidden without the expressed consent of T&D Corporation. Any inquiries concerning commercial redistribution should be directed to the Sales Department of T&D Corporation.
  4. Please do not attempt to make any changes or modifications to the software.
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