Illuminance UV Recorder for Windows

“Illuminance UV Recorder for Windows” is software designed to be used with our Illuminance UV Recorder, TR-74Ui.


“Illuminance UV Recorder for Windows” is software designed to be used with our Illuminance UV Recorder, TR-74Ui.

Compatible ProductsTR-74Ui/74Ui-S, TR-74Ui-H
VersionVer. 1.12 (February 01, 2022)
File Nameapp_tr74uiwin-112-eng.exe
File Size22.3 MB
Operating EnvironmentCompatible OS *1
Microsoft Windows 11 64bit English
Microsoft Windows 10 32/64bit English
Microsoft Windows 8 32/64bit English
Microsoft Windows 7 32/64bit English
CopyrightT&D Corporation
ReplicationCopying to another media is expressly forbidden
*1: For installation, it is necessary to have Administrator (Computer Administrator) rights.

Installation Procedure

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

Revision History

Ver. 1.12 February 01, 2022

  • Fixed a problem that caused the software to crash when sending infrared communication settings.
  • Fixed a problem that occurred when making the 2-Point Adjustment setting, where the y-intercept of the conversion equation was sometimes incorrect.
  • In the File Name and Folder settings, the message “Please select a device” is no longer displayed if there is only one device connected to the computer.
  • When trying to send settings without selecting channels for the Alternate Display option in the LCD Display Settings menu, you now get the message “Select channels for display” instead of getting the communication error.

Ver. 1.11 July 16, 2019

  • Cumulative illuminance and cumulative UV data are now saved as recorded data files.
    (T&D Graph displays them as additional channels - cumulative values from the start of recording.)
  • Updated the USB driver.

Ver. 1.10 June 05, 2018

  • The graph software used to view graph has been changed from "Multi-Scale Graph" to "T&D Graph".
  • The sensor error message now appears when Adjustment Settings are attempted without connecting the sensor.
  • The default storage location for data files has been changed to the Document folder from the installation folder of Illuminance UV Recorder for Windows.

Ver. 1.09 October 20, 2015

  • Revised to make compatible with Windows 10.

Ver. 1.08 March 21, 2013

  • The following items have been added to the Help menu [Help for Unit Recognition Failure] and [Support].

Ver. 1.07 November 01, 2012

  • Revised to make compatible with Windows 8.

Ver. 1.06 November 15, 2010

  • Revised to enable infrared communication function settings for the TR-74Ui.

Ver. 1.05 September 09, 2010

  • Revised to make compatible with 64-bit Windows 7.

Ver. 1.04 July 27, 2010

  • Rounding method for displaying Illuminance and UV Intensity readings has been revised from \"rounding to the nearest integer\" to \"rounding down.\"
  • The problem has been fixed whereby when cumulative data contained many figures a graph could not be previewed or printed.

Ver. 1.03 April 20, 2010

  • A problem was fixed in the [Current Readings Monitoring] window whereby the normally displayed values for both \"High\" and \"Low\" appeared as 0 (zero)%.

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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