T&D Thermo
For TR7/TR4A/TR32B Operations
Free · Designed for iPad. Not verified for macOS.
Mobile application for device configuration, data collection and graphing, data upload to the cloud, and report creation.
Not only can you directly communicate with a data logger via Bluetooth, but you can also view recorded data uploaded to our cloud-based T&D WebStorage Service.
:: Features
-Make Settings and View Graphs via Bluetooth®
-Access T&D WebStorage Service
-Simple operation to create, print, save or share a PDF report with a graph
-Check Warning History (TR7A2/A, TR-7nw/wb/wf, RT/RS16, RT/RS15, RT/RS-14 series registered to T&D WebStorage Service)
-Make Settings and View Graphs via WLAN Direct Communication (TR-7wb, TR-7wf)
:: Compatible Data Loggers
- TR71A2/72A2/TR75A2
- TR-71nw/72nw/75nw
- TR71A/72A/TR75A
- TR-71wb/72wb/75wb
- TR-71wf/72wf/75wf
- TR41A/42A/43A
- TR41/42/45
- TR32B
- RT/RS16
- RT/RS15
- RT/RS-14WB
- RT/RS-14N
- RT/RS-14
- RT61/62/63
more Constantly displays a warning of high temperature, but temp is OK!
Constantly displays a warning of high temperature, but temp is OK!
It was impossible to put the device in AP mode and the Bluetooth never connected too. Even I followed all the steps correctly
It was impossible to put the device in AP mode and the Bluetooth never connected too. Even I followed all the steps correctly
・The app has been modified to prevent crashing after an update from Ver. 2.71 or earlier.
Please note that updating from Ver. 2.71 or earlier will require reinstalling the app, and all data stored in the app will be deleted.
For details refer to the notice in the News page of T&D website: [Notice about App Crash When Updating from T&D Thermo Ver. 2.71 or Earlier (iOS Version)]
2.92 08/04/2025
・The App is now compatible with iOS 18. iOS 15 and below are no longer supported.
・Updated the firmware update program for the TR32B. (Device Firmware Ver.1.12)
・Other small fixes and improvements.
*For details refer to the Software/Apps page of T&D website.
2.91 07/08/2025
Added support for the TR71A2, TR72A2 and TR75A2 (to be released in September 2024).
Fixed a problem where unused tags were included when outputting TR4 series recorded data files (.trz).
2.90 07/30/2024
The App is now compatible with iOS 17. iOS 14 and below are no longer supported.
Several updates were made with improvements and bug fixes.
*For details refer to the Software/Apps page of T&D website.
2.80 05/22/2024
Added a confirmation dialog to confirm the lifting of warning state when changing the warning settings or starting a new recording session for a TR7A series device which is in a warning state.
Added the "Warning Lifted" status to the Warnings list for the TR7A series device.
Changed the threshold value at which a "Low Battery" warning appears in the app to the same level at which the warning is sent from the logger to the server.
Added the adjustment function for measurements of the US/EU model TR4A and TR4 series.
Fixed an issue where some text was shown in bold font on iOS 17 devices.
2.71 10/16/2023
Added support for the TR32B.
Removed WEP from the Security options in TR7A's Network Settings.
Improved graphing functionality.
Updated the firmware update program for the TR41A/42A/43A.
(Fixed a problem where the device would freeze during the firmware update.)
Fixed a problem where the pending setting value was not displayed.
Changed the messages displayed when the device is not registered to the selected WebStorage account or if a WebStorage account has not been set up in the app.
2.70 04/24/2023
Fixed a problem where the home screen and the device info screen showed an incorrect humidity reading for the TR43A. This occurred when the device was set to Fahrenheit in the temperature unit setting and when the data was retrieved from the cloud (T&D WebStorage Service).
Fixed a problem that occurred when collecting and sending the TR4A Series logger’s data to T&D WebStorage Service, where the app sent only a subset of data if the amount of data to be sent was greater than 16284.
2.64 03/27/2023
Added support for RT/RS15.
Updated the firmware update program for the TR41A, TR42A and TR43A. (Device Firmware Ver.1.09 /Bluetooth Ver.1.02)
This update resolves the following issues:
- The [BAT] indicator did not disappear from the LCD screen even after replacing with a new battery.
- Low battery was not detected from the app
Fixed typo in the tag name used in the recorded data file (.trz): "auther" to "author"
2.63 03/01/2023
・Updated the firmware update program for the TR41, TR42 and TR45.(Device Firmware Ver.1.09 / Bluetooth Ver.1.02)
This update resolves the following issues:
- A problem that could cause the device to freeze when internal communication between components failed.
- A problem where the battery warning mark may be turned on or off incorrectly.
・The app is now compatible with iOS 16. iOS 13 and below are no longer supported.
2.61 10/17/2022
Changed the format of the output Log and Settings file, including the addition of system information.
The Settings Table now displays “Adjustment” only when the device has previously been configured with Adjustment settings.
Removed the Latest button (sort by update time) from the List Display on the home screen.
Improved the Graph display in portrait mode:
- by changing the initial position of the horizontal cursor to the center of the Y-axis.
- by showing a vertical cursor and the date, time, and readings for the cursor position by default (without a long press on the graph).
2.60 08/25/2022
Updated the app design.
Added support for the TR4A and TR4 Series.
Added the following items to the Settings Table:
- Recording Status
- BT Version
Fixed a problem where the “Wrong Passcode” message was not displayed when entering a wrong passcode in Other Settings > Bluetooth Lock for the TR7A.
Fixed a problem where the group name could not be set to blank in Name Settings for the TR-7wb/nw/wf.
Fixed a problem that occurred when opening the TR-7wb/nw/wf data via the cloud (T&D WebStorage Service), where the graph time was not displayed correctly in daylight savings time.
2.50 06/21/2022
Added support for the TR75A.
It is now possible to identify the type of sensor in the output log/setting information.
When the app collects the TR7A device’s recorded data and cannot obtain date and time information, the date on the graph’s X-axis now appears as “Jan 1, 2001”.
Fixed a problem that occurred when registering a device, where the “Nearby Bluetooth Devices” search result appeared flashing.
Added a Done button to the keyboard that appears when entering the passcode for “Bluetooth Lock” in Other Settings.
Fixed a problem that occurred when opening “Warnings” to check warning histories, where the warning setting values were not updated correctly.
Fixed a problem that occurred when opening the Settings Table via T&D WebStorage Service, where the firmware version was displayed in a small size.
Fixed a problem that occurred when generating a PDF report, where the upper and lower limit lines were displayed outside the graph area.
The app is now compatible with iOS 15. iOS 12 and below are no longer supported.
2.40 11/30/2021
Fixed a problem that occurred when generating a PDF report of the downloaded data, where the days on the graph’s X-axis could sometimes be offset by one day.
2.30 11/17/2021
- Added a function to create a PDF report of the data which was downloaded using Bluetooth or WLAN Direct Communication.
- Added a function to receive and display push notifications when a warning occurs.
- Added a function to output log and settings from the Settings Table screen.
- Added a function to immediately communicate with T&D WebStorage Service by swiping down at the Top screen.
- Changed the default value for the Graph Display Count from 8000 to 16000.
- Removed the “5hr” option from the Auto-upload Interval setting.
- Fixed a problem that occurred when going to [Files] menu - [Share] icon - [Save to Files] on iOS 14 device, where the dialog buttons were not visible.
- Changed the default date time axis label to center at 0:00 when displaying a graph of the long-term recorded data. (Previous label was 15:00)
2.20 09/07/2021
Changed the threshold value at which a battery warning is issued and the background color of the device in the device list turns red.
2.11 12/23/2020
The app is now compatible with iOS 14. iOS 10 and below are no longer supported.
2.10 10/14/2020
- Fixed a problem that occurred when using Bluetooth and T&D WebStorage Service with the TR-7wb series, where measurements and the elapsed time were not displayed correctly on the Home screen.
2.09 04/15/2020
- Fixed a problem that caused WLAN Direct Communication to fail on iOS/iPadOS 13.
- In the device list display, the readings received via T&D WebStorage Service are now automatically refreshed.
2.08 10/10/2019
- Only the registered devices are now displayed in a list.
(See below for details.)
https://www.tandd.com/news/release/20190628001_tdthermo.html
- Added a function to make the low battery warning setting for the TR-7nw.
- Added a function to scale the graph vertically.
- Other small fixes and improvements.
2.07 09/02/2019
Updated graph functions.
2.06 07/10/2019
- Fixed a problem that occurred when deleting a device from the device list with a Read-Only ID, where the data for that device was deleted from not only this app but also from T&D WebStorage Service.
2.05 03/15/2019
- Fixed a problem that caused the network communication to fail by turning on “Wireless LAN” in the Network Settings.
- Other small fixes and improvements.
2.04 03/13/2019
- Fixed a problem that occurred when displaying graph with a smaller number of readings than that stored in the logger, where the time axis was displayed incorrectly.
- Improved the stability of wireless LAN direct communication.
- Other small fixes and improvements.
2.03 02/24/2019
- Fixed an issue where recorded data stored in T&D WebStorage Service did not appear on the graph when the Graph Display Count was set to All.
- Fixed an issue where users were prompted to enter a passcode even after deactivating the Bluetooth Lock function.
- Other small fixes and improvements.
2.02 02/08/2019
- The new app now utilizes previously entered T&D WebStorage Service account information.
- Other small fixes and improvements.
2.01 02/07/2019
・The app has been modified to prevent crashing after an update from Ver. 2.71 or earlier.
Please note that updating from Ver. 2.71 or earlier will require reinstalling the app, and all data stored in the app will be deleted.
For details refer to the notice in the News page of T&D website: [Notice about App Crash When Updating from T&D Thermo Ver. 2.71 or Earlier (iOS Version)]
more Version 2.92 08/04/2025
Data Linked to You The following data may be collected and linked to your identity:
