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Use accurate torque controls to improve quality! Case examples can be found in torque handbook 10

Wireless Data Transfer Torque Wrench

CEM3-G-BT

CEM3-G-BT
RoHS markingRacquet gear 24Socket insertion part□6.35Socket insertion part□9.53Socket insertion part□12.7Socket insertion part□19.05Socket insertion part□25.4

Assembly/Inspection

Digital

Interchangeable Head

Judgment

Wireless

Re-chargeable

The CEM3-G-BTS for one-way communication, the CEM3-G-BTD for two-way communication, and the CEM3-G-BTA with an angle sensor are now consolidated into a single unit. Additionally, Bluetooth now supports dual mode.

CEM100N3X15D-G-BT

Bluetooth® profiles now support dual mode for SPP and GATT. Dual mode products can be identified by the label above.

Application

  • For inspection or tightening.
  • Tightening tasks requiring torque and angle control
  • Detects two rounds of tightening to prevent this human error (Pokayoke).
  • Detects increased torque due to insufficient rotations from “biting (seizure)” during tightening.
  • Tightening Torque Data Management
  • Detects tightening abnormalities such as “forgetting assembly of spring washer”

Features

  • The CEM3-G-BTS for one-way communication, the CEM3-G-BTD for two-way communication, and the CEM3-G-BTA with an angle sensor are now integrated into a single unit. The BTS/BTD/BTA modes are switchable, allowing existing systems to be utilized.
  • Tohnichi’s interchangeable head torque wrenches can be used with our interchange head lineup, which offers the best selection in the world, making these wrenches ideal for your work.
  • Capable of managing both wired and wireless (Bluetooth®) tightening data. *Use Excel® on your computer to manage data received via DtRcv (Data Receiver). DtRcv is included in software under the screen.
  • The CEM3-G-BT now supports dual-mode Bluetooth. In addition to Bluetooth Classic (SPP profile), it features dual-mode support for Bluetooth Low Energy (GATT profile), enabling connectivity with devices like the iPad. This allows for OS-independent use.
  • The free data management software “DtRcv (Data Receiver)” for Windows can be downloaded for free from the [Download] > [Software] section at the bottom of the screen. *Requires member registration.

Specifications

Model CEM10N3X8D-G-BT CEM20N3X10D-G-BT CEM50N3X12D-G-BT CEM100N3X15D-G-BT
Torque Range
[N・m]
MIN. - MAX. 2 - 10 4 - 20 10 - 50 20 - 100
Resolution 0.01 0.02 0.05 0.1
Torque Range
[kgf・cm]
MIN. - MAX. 20 - 100 40 - 200 100 - 500 200 - 1000
Resolution 0.1 0.2 0.5 1
Torque Range
[kgf・m]
MIN. - MAX. 0.2 - 1 0.4 - 2 1 - 5 2 - 10
Resolution 0.001 0.002 0.005 0.01
Torque Range
[lbf・in]
MIN. - MAX. 20 - 90 36 - 180 100 - 440 200 - 880
Resolution 0.1 0.2 0.5 1
Torque Range
[lbf・ft]
MIN. - MAX. 1.5 - 7.3 3 - 14.5 7.5 - 36 15 - 73
Resolution 0.01 0.02 0.05 0.1
Dimensions
[mm]
Overall Length L’ 212 214 282 384
Weight [kg] 0.54 0.55 0.66 0.71
            Accuracy ±1%
             
Model CEM200N3X19D-G-BT CEM360N3X22D-G-BT CEM500N3X22D-G-BT CEM850N3X32D-G-BT
Torque Range
[N・m]
MIN. - MAX. 40 - 200 72 - 360 100 - 500 170 - 850
Resolution 0.2 0.4 0.5 1
Torque Range
[kgf・cm]
MIN. - MAX. 400 - 2000 720 - 3600 1000 - 5000
Resolution 2 4 5
Torque Range
[kgf・m]
MIN. - MAX. 4 - 20 7.2 - 36 10 - 50 17 - 85
Resolution 0.02 0.04 0.05 0.1
Torque Range
[lbf・in]
MIN. - MAX. 360 - 1700 650 - 3100 890 - 4400
Resolution 2 4 5
Torque Range
[lbf・ft]
MIN. - MAX. 30 - 150 52 - 260 73 - 360 124 - 620
Resolution 0.2 0.4 0.5 1
Dimensions
[mm]
Overall Length L’ 475 713 949 1387
Weight [kg] 0.86 1.21 4.08 5.22
            Accuracy ±1%
             
Common specifications            
Angle Accuracy ±2° + 1 digit (Angular velocity 30°/s - 180°/s at 90° rotation)
Display 7-segment LED, 4 lines, 10 mm
14-segment LCD, 6 lines, 7 mm
7-segment LED, 4 lines, 3 mm
Judgment LED: Red / Blue
Bluetooth® Status LED: Red
Bluetooth® Connection LED: Blue
Battery Indicator (4 levels)
Memory 999 data sets (Torque, Angle, Judgment, Date/Time)
Main Functions Peak Hold
Measurement data transmission
Auto Memory & Resetting
Tightening Completion Buzzer
Judgment of Measured Data
Auto Zero setting
Auto power off
Over-torque alarm
Clock display
Communication Bluetooth®
RS232C (2400 - 19200 bps)
Serial output (equivalent to a USB connector)
Power Supply Ni-MH rechargeable battery
Continuous Use Approx. 8 hours
Charging Time Approx. 3.5 hours
Communication Mode Key operation
Operating Temperature 0 - 40 °C (non-condensing)
             
             
Bluetooth® Communication Specifications      
Bluetooth® Version Ver. 5.0      
Modulation System GFSK      
Wireless Output 8 dBm      
Transmission Power Class Class 1      
Supported Profiles Classic SPP      
BLE GATT custom profile      
Comm. Distance Approx. 10 m (line of sight)      
Notes
  • For other detailed specifications, refer to CEM3.

  • PH (Pipe wrench head) type interchangeable head is not available for this model.

  • Windows and Excel are either registered trademarks or trademarks of Microsoft Corporation in the United States and other countries.

  • Bluetooth® is registered trademark of Bluetooth SIG, Inc.

  • iOS is the operating system trade name of Apple Inc.

  • The English version of the iOS-compatible data management software “DtRcv” can be downloaded here. *Note: The iOS version of DtRcv only supports Bluetooth® connection and cannot be used with a wired connection.

  • The English version of the iOS-compatible tightening data management system “TDMS” can be downloaded here.

  • Other company and product names are trademarks or registered trademarks of their respective owners.

 

Standard accessory

 

Dimensions

REMARK

Note: for interchangeable head insert dimensions, click here.

◆ How to order

[Tohnichi] [Model] Please specify.

[Example 1]: Tohnichi CEM100N3X15D-G-BT

[Example 2]: Tohnichi CEM200N3X19D-G-BT

Download

Product Catalog

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Registration
Manuals

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Software

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2D CAD (DXF)

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3D CAD (IGES)

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Parts List

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Online Part Search System
How to Use
Features of TOHNICHI Torque Wrench

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Applying the correct force/Loosening tasks/Tightening left-handed bolts and screws

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Technical Data
3. Inspecting the Tightening Torque

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4. Tightening Reliability

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5. Selection of Tightening Tools

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6. Torque Tools are Measurement Equipment

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9. Standards and Limitations

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[September 2025 Version] Everything from torque controls to Tohnichi’s Tightening Assurance System

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