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TR-7wb/nw Series Warranty 

Product under Warranty
(Excluding Accessories)

 TR-71wb
 TR-71nw

 TR-72wb
 TR-72nw

 TR-72wb-S
 TR-72nw-S

 TR-75wb
 TR-75nw

Warranty Period

1 year from date of purchase

Date of Purchase

Customer's name

Address

Phone No.

Distributor's name

Address

Phone No.

Object of Repair

Main Unit (excluding sensors and any other options.)

Method of Repair

Send in for Repair

Provisions for Free Repair

1. If the unit does not work properly despite the fact that the customer used it properly and in line with the manual, the Unit shall be repaired free 

of charge through the distributor which sold the unit.

2. If the customer requests free repair because of trouble within the warranty period, bring or send the unit along with the warranty to the 

distributor.  

3. 

If you have moved after purchasing, or there are difficulties contacting the distributor from which you purchased the unit, please contact T&D 

directly for service. 

4. Free repair is not available in the following cases even though it is within the warranty period:

a. 

Trouble or damage was caused by careless operation, natural disaster, fire, public pollution, use of a power source other than specified, 

or external factors such as intrusion of insects.

b. 

If repair, adjustment, disassembly or modification of the unit has been carried out by a person other than a T&D authorized engineer.

c. Trouble or damage was caused by transportation, movement or dropping of the unit after purchase.
d. 

Failure to submit the warranty or failure to fill in all items required in the warranty.

5. The warranty cannot be reissued.

This warranty only promises customers free repair within the period and conditions clarified in this warranty. Therefore, the customer's legal 

rights will not be limited by this warranty. For further information on repair and other service questions after the termination of the warranty 

period, contact your distributor.

TR-7wb/nw Series - Specifications

TR-71wb / TR-71nw

TR-72wb / TR-72nw

TR-72wb-S / TR-72nw-S

TR-75wb / TR-75nw

Measurement Channels

Temperature 2ch

Temperature 1ch, 

Humidity 1ch

Temperature 1ch, 

Humidity 1ch

Temperature 2ch

Sensor

Thermistor

Thermistor

Polymer Resistance

Thermistor

Polymer Resistance

Thermocouple:  Type K, J, T, E, S, R (*1)

Measurement Units

°C,°F

°C,°F

%RH

°C,°F

%RH

°C,°F

Measurement 

Range

Internal Sensor

-10 to 60°C (*2)

-

-

-

-

-

External Sensor

-40 to 110°C (Supplied Sensor)

-60 to 155°C (Optional 

Sensor:Fluoropolymer Coated Type)

0 to 55°C

10 to 95 %RH

-25 to 70°C

0 to 99 %RH (*3)

Type K : -199 to 1370°C

Type J : -199 to 1200°C

Type T : -199 to   400°C

Type E : -199 to 1000°C

Type S : -50 to 1760°C

Type R : -50 to 1760°C

Accuracy

Avg. ±0.3°C

at -20 to 80°C 

Avg. ±0.5°C

at -40 to -20°C, 80 to 110°C

±0.5°C

±5 %RH

at 25°C, 50 %RH 

±0.3°C

at 10 to 40°C

±0.5°C

at all other temperatures

±2.5 %RH

at 15 to 35°C, 30 to 80 %RH

Thermocouple Measurement

(Sensor inaccuracies not included)

Type K, J, T, E : ±(0.5°C + 0.3 % of reading) 

at -100°C or above

Type S, R : ±(1.5°C + 0.3 % of reading) 

at 100°C or above

Cold Junction Compensation

±0.5°C

at 10 to 40°C

±0.8°C

other temperatures within the operating environ-

ment of the logger

Measurement Resolution

0.1°C

0.1°C

1 %RH

0.1°C

0.1 %RH

Type K, J, T, E: 0.1°C, Type S, R:  Approx. 0.2°C

Responsiveness

Thermal Time Constant: 

   Approx. 75 sec.

Response Time (90%): 

   Approx. 190 sec.

Response Time (90%): Approx. 7 min.

Response Time (90%): Approx. 7 min.

-

Logging Capacity

8,000 data sets (One data set consists of readings for all channels in that type of unit.)

Recording Interval

Select from 15 choices: 1, 2, 5, 10, 15, 20, 30 sec. or 1, 2, 5, 10, 15, 20, 30, 60 min.

Recording Mode

Endless (Overwrite oldest data when capacity is full) / One Time (Stop recording when capacity is full)

Auto-upload Interval

Select from 15 choices: OFF (No auto-upload), 1, 2, 5, 10, 15, 20, 30 min. or 1, 2, 3, 4, 6, 12, 24 hrs.

Communication Interfaces

TR-71wb / 72wb / 75wb: Wireless LAN Communication

Standard : IEEE 802.11b/g/n

Security (*4): WEP (64bit/128bit), WPA-PSK(TKIP), WPA2-PSK(AES)

WPS 2.0 : Push Button Configuration

Protocol : HTTP(*5), DHCP, DNS

TR-71wb / 72wb / 75wb: Bluetooth Communication

Bluetooth 4.2 (Bluetooth low energy)

TR-71nw / TR-72nw: Wired LAN Communication

100BASE-TX/10BASE-T (RJ45 Connector)

Protocol : HTTP(*5), DHCP, DNS

USB Communication

USB 2.0 (Mini-B connector)

Power (*6)

Battery: AA Alkaline x 2, AA Ni-MH x 2

External: USB Bus 5V 200mA, AC Adaptor AD-05A2 or AD-05C2, PoE IEEE 802.3af (TR-71nw / 72nw / 75nw only)

Battery Life  (*7)

With LAN communication: Approx. 10 days to 1.5 years 

Ex: Approx. 10 days when Auto-upload Interval is 1 min, 1 yr when 1 hr, 1.5 yrs when 12 hrs or more 

Without LAN communication: Approx. 1.5 years

With LAN communication: Approx. 10 days to 1year 

Ex: Approx. 10 days when Auto-upload Interval is 

1 min, 7 mos when 1 hr, 1yr when 12 hrs or more

Without LAN communication: Approx. 1 year

Dimensions

H 58 mm x W 78 mm x D 26 mm

Weight

Approx. 55 g

Operating Environment

Temperature -10 to 60°C (*8),  Humidity  90 %RH or less (no condensation)

Software

TR-7wb/nw for Windows, T&D Graph, T&D Data Server, T&D Thermo

Compatible OS (*9)

TR-7wb/nw for Windows / T&D Graph / T&D Data Server (For PC)

Microsoft Windows 10 32 / 64 bit

Microsoft Windows 8 32 / 64 bit

Microsoft Windows 7 32 / 64 bit

T&D Thermo (For Mobile Devices)

Android OS, iOS (For the compatible versions, please refer to our website.)

Display Languages (*10)

English

*1

:  Compatible wire sizes are as follows. Single Wire :   0.32 to Ø0.65   (AWG 28 - 22), Twisted Wire : 0.08 to 0.32 

 (AWG 28 - 22),   0.12   or more in diameter, Stripping Length : 9 to 10 

*2:  When Auto Upload is used frequently, the measurement of the internal sensor may rise by around 0.3°C

 .

      When using external power, the data logger itself generates heat and the internal sensor will report a temperature much higher than ambient; we recommend using an external temperature sensor in this case.
*3

:  When continually used in environments with temperatures above 60°C,  accuracy of humidity measurements will decrease over time. Also, humidity cannot be measured at temperatures below -20°C.

*4

:  The WPS feature is not available when WEP (64bit/128bit) or WPA-PSK 

(TKIP)

 is selected in Access Point Settings. If you wish to use the WPS feature, please select WPA2-PSK (AES) or disable wireless security.

*5

:  HTTP client. Proxy supported.

*6

:  When using external power, the internal temperature of the logger rises.

*7

:  Battery life varies depending upon multiple factors including frequency of communication, LAN environment, ambient temperature, recording interval, and battery performance. All estimates are based on operations carried out with a new bat-

tery and are in no way a guarantee of actual battery life.

*8

:  -10 to 45°C when using external power (TR-71nw / 72nw / 75nw only).

*9

:  For installation, it is necessary to have Administrator (Computer Administrator) rights.

*10

: We recommend using an operating system in the same language as the display language. Operation in different languages is not guaranteed.

The specifications listed above are subject to change without notice.  

Important Notices and Disclaimers

In order to properly use this product, please carefully read all documents that accompany the product before 
using.

 

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All rights of the attached documents belong to T&D Corporation. It is prohibited to use, duplicate and/or arrange 

a part or whole of the attached documents without the permission of T&D Corporation.

 

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Microsoft and Windows are registered trademarks of Microsoft Corporation in the United States and/or other 

countries.

 

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Google, Android, and Google Play are trademarks or registered trademarks of Google Inc.

 

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Apple and App Store are trademarks or registered trademarks of Apple, Inc. in the U.S. and other countries.

 

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The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of 

such marks by T&D Corporation is under license.

 

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All registered trademarks, company names, product names and logos mentioned herein or for products being 

used are the property of T&D Corporation or of their respective owners. 

 

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Specifications, design and other contents outlined in the attached documents are subject to change without 

notice.

 

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Please follow the safety precautions outlined in the attached documents carefully. We cannot guarantee nor are 

we responsible for safety if this product is used in any manner other than was intended.

 

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On-screen messages in the attached documents may vary slightly from the actual messages.

 

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Please notify the shop where you purchased this product or T&D Corporation of any mistakes, errors or unclear 

explanations in the attached documents. 

 

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T&D Corporation accepts no responsibility for any damage or loss of income caused by the use of our product.

 

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Accompanying documents cannot be reissued, so please keep them in a safe place.

 

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Please read the warranty and provisions for free repair carefully.

For product information or questions contact us at:

 T&D Corporation

For product inquiries, please contact your local distributor. Visit T&D Website for the distributors list.

If you can not find a distributor in your area, please contact our main office in Japan or one of our branch offices 

in Europe or America.

https://www.tandd.com/purchasing/index.html

2018.10  16504930045 (11th Edition)

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