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This function enables TR-7wb/nw series loggers to automatically upload recorded data to "T&D WebStorage Service" where uploaded data is available for viewing and 
settings can also be changed.

The following procedure has been written assuming the use of "T&D WebStorage Service" with TR-7wb/nw series loggers. Please read the 

"T&D WebStorage Service" License Agreement carefully before making settings. Making Auto-upload Settings indicates your acceptance of this Agreement.

• This procedure requires Internet access via wireless or wired LAN.

• When the storage period in "T&D WebStorage Service" is exceeded, old data will be 

deleted. Please refer to "T&D WebStorage Service" License Agreement for the service 

details.

webstorage-service.com/info/

• If you wish to select a server other than "T&D WebStorage Service" for auto upload of 

data, please use "T&D Data Server". (See 

 on the reverse side.)

If you wish to use a static IP address instead of DHCP, make network settings us-

ing software. 

See reverse side.

 Auto-Upload Settings

1.

Press the <INTERVAL> button twice to display the auto-upload interval.

2.

While 

 is displayed, press-and-hold the <INTERVAL> button until the 

interval time fl ashes.

Auto Upload Interval

3.

Press <INTERVAL> again to select the interval time. Each press changes the 

interval as follows: 

Auto-upload Intervals (

): OFF / 1, 2, 5, 10, 15, 20, 30 MIN / 1, 2, 3, 4, 6, 12, 24 HOUR 

The factory default setting is OFF (no auto-upload).

4.

The interval time will stop fl ashing and the display will return to the normal 

measurement mode, confi rming that it is set.

Ref: Auto-Upload Intervals & Corresponding Estimated Battery Life

In general, the shorter the upload interval, the shorter the battery life.

Interval

model

1 min

10 min

1 hr

12hrs or more

TR-71wb/TR-72wb

About 

10 days

About 

2 months

About 

1 year

About 

15 months

TR-71nw/TR-72nw

About 

1.5 years

TR-75wb

About 

10 months

About 

1 year

TR-75nw

About 

7 months

• All estimates are based on operations carried out with a new battery and are in no way 

a guarantee of actual battery life.

• When Auto-upload is used frequently on TR-71wb/71nw, the measurement of the 

internal sensor may rise by around 0.3°C.

 Wireless LAN Settings

This step is not necessary for 

nw

. Plug a LAN cable into a network hub or router, 

and go to 

.

Wireless LAN settings using WPS may not be possible depending on the support-

ed features or settings of your wireless LAN access point. 

In this case, make wireless network settings on PC or smartphone. 

See reverse side.

The following information is required:

• Network Name (SSID)

• Security (WEP 64bit/128bit, WPA-PSK (TKIP), WPA2-PSK (AES))

• Password (Network Key)

1.

Press the <POWER> and <DISPLAY> buttons together until 

 appears on 

the LCD screen.

2.

Set your wireless LAN access point to "WPS" mode.

For details about Wireless LAN Access Point settings, refer to the user manual for 

that access point.

3.

When the setup is successfully completed, the 

 mark on the LCD display 

will turn ON.

 Checking Connection Status

Place the logger in the desired measurement location.
Make sure Internet access is available.

Connection Status Indicators

Internet

Wireless LAN 

Access Point

Router / HUB

Press the <REC/STOP> button to immediately send the recorded data to 

Thermo Recorder TR-7wb/nw Series

Introductory Manual

© Copyright T&D Corporation. All rights reserved.  2020.06  16508120013 (3rd Edition)

tandd.com/

The TR-7wb/nw series data loggers can be used in the following ways.

: TR-71wb, TR-72wb, TR-75wb  

: TR-71nw, TR-72nw, TR-75nw

By using wireless LAN (

) and wired LAN (

), the logger automatically uploads 

the recorded data to the cloud. It enables the viewing of uploaded data and the 

changing of settings on your PC, smartphone and tablet.

Via Cloud: Automatic Data Upload

Make settings and download data by USB communication between the PC and 

 or 

.

Via PC: Setup and Download 

See reverse side.

Make settings and download data by connecting 

 to a smartphone or tablet via 

Bluetooth®.

Via Smartphone: Setup and Download (

 only) 

See reverse side.

"T&D WebStorage Service" without waiting for the next transmission. If the 

transmission is successful, 

 will remain ON after 

 turns OFF. 

is OFF or blinking:

Unable to connect to the wireless network. Try changing the 

measurement location or adjusting the distance between the 

logger and the access point, and make the wireless LAN settings 

in 

 again.

 is blinking:

Internet connection failed. Please check the network settings.

 Viewing Recorded Data

In order to view the recorded data on a web browser, it is necessary to register 

devices to "T&D WebStorage Service" in advance.

1.

Access "T&D WebStorage Service" from the web browser on your PC or 

mobile device. 

webstorage-service.com

2.

Click [Create Account] to go to the registration page, and follow the direc-

tions to complete the registration. If you already have your User ID, go to 

the next step.

3.

Login by entering the registered User ID and Password.

4.

In the [Device Settings] window click [+Device].

5.

In the Add a Device page, enter necessary information* and click [Add].

*The registration code can be found on the supplied Registration Code Label.

6.

After data is sent to "T&D WebStorage Service" either by auto-upload or by 

pressing the <REC/STOP> button on the logger, the added device and its 

measurements will appear in the [Data View] window.

Troubleshooting Tips

If measurements are not displayed:

Check the screen of the logger and make sure 

 is ON; If not, press <REC/

STOP> to start recording. See "Recording Interval Setting (Common Operation)" 

above.

If the display of measurements is not refreshed:

Try making the recording interval shorter. If the recording interval is set to longer 

than the upload interval, the same measurement is displayed until the next record-

ing occurs and the new data is uploaded.

If you lose your registration code label:

Open the software "TR-7wb/nw for Windows" and connect your logger via USB to 

the computer. The connected logger and its information will appear in the left 

boxes of the main window. The registration code can be found here.

If you wish to save recorded data to PC:

Use "T&D Graph" that is available for download from the T&D Website. 

See 

 on the reverse side.

 Changing Device Settings

It is possible to change device settings by using "T&D WebStorage Service".

Note that the setting changes will not be actually applied until communica-

tion occurs between the logger and "T&D WebStorage Service". By pressing the 

<REC/STOP> button on the logger, however, settings can be applied immediately.

Setting Items which can be set or changed:

Device Info

Device Name, Group Name, Recording Interval, Recording Mode, 

Auto-upload Interval, Channel Name, Time Diff erence, Unit of 

Temperature, Sensor Type (TR-75wb/75nw only)

Warning Settings

Lower Limit, Upper Limit, Sensor Warning, Judgement Time

Setting via the cloud using the Mobile App

For the loggers that have been registered to "T&D WebStorage Service", the settings can 

also be changed using the "T&D Thermo" App on your smartphone or tablet.      

See reverse side.

For iOS

For Android

Button Operations

Power ON/OFF

Press-and-hold the <PWR> button. 

(Cannot power OFF when a recording is in progress.)

Start/Stop Recording

Press-and-hold the <REC/STOP> button.

Recording Interval [

] / 

Upload Interval [

]

Press the <INTERVAL> button (display mode)

Press-and-hold the <INTERVAL> button (setting mode)

Transmit Data and Settings to 

"T&D WebStorage Service"

Press the <REC/STOP> button.

Cancel Communication

Press the <PWR> button.

Channel on Display

(Fixed or Alternating Display)

Press the <DISPLAY> button to switch the display: Ch1 

(fi xed)   Ch2 (fi xed) 

 Ch1&2 (alternate)

Display Last Used IP 

Address

Press-and-hold <PWR> and <DISPLAY> together.

EX:  When the IP address was 11.22. 33.44, 

each part will appear for two seconds as follows: 

[11   22   33   44].

When DHCP is ON but failed to obtain an IP address, 

[

] will appear.

Wireless LAN Settings 

using WPS

Press-and-hold <PWR> and <DISPLAY> together.

TR-75wb

TR-75nw

Display Sensor Type Press-and-hold the <DISPLAY> button.

• "Press-and-hold" means to hold the button down for about two seconds.

Marks on LCD Screen

Wireless LAN (

 only)

ON : Connected to the wireless network. (Signal strength: 1 to 3 bars)

BLINKING : Unable to connect to the wireless network.

OFF : Wireless LAN settings not made.
ON : Connected to the Internet.

BLINKING : Unable to connect to the Internet.

OFF : Auto-upload is set to "OFF".

Displayed Measurement Channel

ON : Wireless LAN Setup using WPS Possible (

 only)

BLINKING: LAN, Bluetooth or USB communication in Progress
ON : Recording in Progress
ENDLESS : Upon reaching the logging capacity of 8,000 readings, the oldest data is 

overwritten and recording continues.

ONETIME : Upon reaching the logging capacity of 8,000 readings, recording 

automatically stops.

Cannot be set or changed using buttons on the logger. The factory default setting is "ENDLESS".

Amount of Recorded Data in Device

ON :  Low Battery 

When the battery power becomes even lower after the battery warning mark 

appears, the auto-upload will stop.

*Please change the batteries as soon as you see this mark.

Auto Upload Interval
Recording Interval

Messages on LCD Screen

Sensor Error: No sensor connected, improper connection, 

damaged, etc.

Full Data: Upon reaching capacity of 8,000 readings in "ONE-

TIME" mode, this message appears and recording automatically 

stops.

Sleep Mode: If you take no action after a battery warning mark 

appears and auto-upload stops, the logger will enter sleep mode 

and stop all operations to protect data.

*If the logger remains in sleep mode over one week without a change of 

batteries, all recorded data will be lost.

Thermocouple Sensor Type (TR-75wb/75nw only)

By pressing and holding the <DISPLAY> button, you can see which sensor type is cur-

rently set for each channel as below.

In the example shown left, 

Channel 1 is set to Type K,

Channel 2 is set to Type J.

Type T

Other sensors ...

Type R

Type E

Type S

The factory default setting is "K" for both 

. Depending on the thermocouple 

type you’re going to use, make settings or changes using "T&D WebStorage Service" 

or the software "TR-7wb/nw for Windows".

Install the batteries and sensor(s) in the logger, and make sure the LCD is displaying measurements. The factory default setting for the recording interval is 10 minutes 
for TR-75wb/75nw and 1 minute for other TR-7wb/nw models. Follow the procedure below to change this setting.

• Skip this setting if you don't need to change the recording interval.

• Upon the start of recording, all previously recorded data in the logger will be 

deleted.

• Note: When 

 is ON (recording in progress), the logger cannot be turned 

off , nor can the recording interval be changed.

1.

When 

 is ON, press-and-hold the <REC/STOP> button until 

 turns 

OFF (recording stops).

2.

Press the <INTERVAL> button.

3.

While 

 is displayed, press-and-hold the 

<INTERVAL> button until the interval time 

fl ashes.

4.

Press <INTERVAL> again to select the interval 

time. Each press changes the interval as follows: 

Recording Intervals (

1, 2, 5, 10, 15, 20, 30 SEC / 1, 2, 5, 10, 15, 20, 30, 60 MIN

5.

When you stop pressing the button, the display will return to the normal 

measurement mode, confi rming that it is set.

Ref: Recording Intervals & Estimated Time until Logging Capacity is 
Reached

Recording Interval

1 sec

30 sec

5 min

15 min

60 min

Estimated Time

About 

2 hours

About 

2 days

About 

27 days

About 

83 days

About 

333 days

6.

Press-and-hold the <REC/STOP> button until 

 turns ON (recording 

restarts).

Auto-upload of Recorded Data

Cloud

Wireless/Wired LAN

View with a Web Browser

Graph Display 

Download Data

Setup

Apply Settings

Recording Interval

Automatic Data Upload to the Cloud

Recording Interval Setting (Common Operation)

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