TR-76Ui Firmware Update Tool

This is an update program for the TR-76Ui firmware.


This is an update program for the TR-76Ui firmware.

Compatible Products TR-76Ui/76Ui-S, TR-76Ui-H
Version Ver. 1.18 (December 08, 2021)
File Name app-tr76ui-firm-118-all.exe
File Size 4.12 MB
Operating Environment Compatible OS *1
Microsoft Windows 11 64bit English
Microsoft Windows 10 32/64bit English
Copyright T&D Corporation
Replication Copying to another media is expressly forbidden
*1: For installation, it is necessary to have Administrator (Computer Administrator) rights.

Read First

  • Please note that all recorded data in the TR-76Ui will also be erased by updating the firmware. We recommend to download the recorded data before updating the firmware.
  • In order to update the firmware, the TR-76Ui needs to be connected to a PC with a USB cable so that the PC can execute the program.
  • Before connecting a USB cable, make sure that the PC has the USB device driver installed.
    By installing the application "CO2 Recorder for Windows", the USB device driver will also be installed.

Firmware Update Procedure

  • Using a USB cable, connect the TR-76Ui to the PC in which "TR-76Ui Firmware Update Tool" will be executed.
  • Execute the downloaded "TR-76Ui Firmware Update Tool".
  • Please follow the instructions on the screen to update the Firmware.

Revision History

Ver. 1.18 December 08, 2021

  • Changed the LCD display for manual calibration setting from [=390] to [=Air].

User Agreement


  1. Although T&D Corporation has carried out operational tests on TR-76Ui Firmware Update Tool, 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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