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Tohnichi ST3-G/ST3-G-BT Rotary peak torque measuring equipment



Specifications

SKU: Tohnichi ST3-G/ST3-G-BT Rotary peak torque measuring equipment

Tohnichi ST3-G/ST3-G-BT Rotary peak torque measuring equipment
 

Simple torque checks and angle checks are possible without removing nutrunners from multi-spindle tightening equipment. Also useful for rotation angle tightening.

Spintork® ST15N3-6.35-G(Overall length=106.5 mm)

Spintork® ST50N3-3/8-G (Overall length=75 mm)

Spintork® ST1000N3-G-BT (Overall length=135 mm)

Example of a multi-spindle device in use

The ST3-G-BT now supports dual-mode Bluetooth® profiles: SPP and GATT. Dual-mode products can be identified by the label above.

 

 

Application

  • Checks nutrunner torque and angle on multi-spindle tightening equipment.
  • The ST3-G-BT series is especially useful for checking torque and angle for rotation angle tightening of a plastic region.
  • Often used to good effect as a measuring device (standard accessory) for multi-spindle equipment nutrunners.
  • Checks the torque and angle of angle power tools and hand nutrunners.
  • The ST1000N3-G model is ideal for torque checking (daily check) of TW2 series of torque wrenches used to tighten the wheel nuts of large vehicles, and the DQLE1000N2.

Features

  • Digital torque checkers. The world’s most compact rechargeable rotary torque measuring equipment.
  • Nutrunner torque checks (routine inspections) can prevent the production of imperfectly tightened items.
  • Allows operators to perform torque checks (daily check) of multi-spindle tightening equipment while tightening at the same time. Connect the optional extension bar, which has the same length as the ST3-G, to spindles not installed with Spintork® to check torque easily without removing the nutrunner from multi-spindle tightening equipment. This reduces steps in the manufacturing process.
  • Nutrunner inline measurement is possible. If the model is Bluetooth® equipped, torque checking can be cordless, improving workability.
  • ST3-G is equipped with an angle sensor. If tightening is done with a handheld nutrunner attached to the ST3-G, torque checking and angle checking can be done at the same time as tightening operations. (* Note: Angle measurements are measurements from set snug torque values.)
  • When the supplied USB connecting cable is connected to a computer, tightening torque and angle data measured using an ST3-G can be spread and controlled in Excel format using DtRcv. (DtRcv can be downloaded free of charge.)
  • The ST3-G-BT can be used to create torque and angle graphs. With a Bluetooth®-equipped ST3-G-BT, torque and angle values can be measured and recorded continuously, and tightened-to-completion data is transmitted wirelessly to a computer. Then, after DtRcv spreads the data on an Excel file, graphs displaying tightening torque and angle values can be created. (* Note: You need to have your own software for Bluetooth® signal reception. * When the ST3-G is not the -BT version, memory stores only maximum torque data and that-moment angle data, and graphs cannot be created.)
  • Bit types and small sq. drive models have been added to the lineup. Newly added: ST15N3-6.35-G, which can be attached to Hex 6.35 bit tools (not available on older ST2 series), and ST50N3-3/8-G 9.53 mm square drive (smaller than previous version).
  • 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.
  • ST3-G-BT conforms to telecommunication standards in Japan, the US, Canada, the EU, Thailand, Mexico, Vietnam, Brazil, Taiwan, China, Singapore, South Korea, Russia, and Malaysia (information valid as of March 2026).

Specifications

                     
Model ST10N3-G ST15N3-6.35-G ST20N3-G ST50N3-3/8-G ST50N3-1/2-G ST100N3-G ST200N3-G ST500N3-G ST1000N3-G
Bluetooth® ST10N3-G-BT ST15N3-6.35-G-BT ST20N3-G-BT ST50N3-3/8-G-BT ST50N3-1/2-G-BT ST100N3-G-BT ST200N3-G-BT ST500N3-G-BT ST1000N3-G-BT
Torque Range
[Nο½₯m]
MIN. - MAX. 2 - 10 4 - 15 4 - 20 10 - 50 20 - 100 40 - 200 100 - 500 200 - 1000
Resolution 0.01 0.02 0.05 0.1 0.2 0.5 1
Torque Range
[cNο½₯m]
MIN. - MAX. 200 - 1000 400 - 1500 400 - 2000 1000 - 5000 - - - -
Resolution 1 2 5 - - - -
Torque Range
[kgfο½₯cm]
MIN. - MAX. 20 - 100 40 - 150 40 - 200 100 - 500 200 - 1000 400 - 2000 1000 - 5000 -
Resolution 0.1 0.2 0.5 1 2 5 -
Torque Range
[kgfο½₯m]
MIN. - MAX. 0.2 - 1 0.4 - 1.5 0.4 - 2 1 - 5 2 - 10 4 - 20 10 - 50 20 - 100
Resolution 0.001 0.002 0.005 0.01 0.02 0.05 0.1
Torque Range
[lbfο½₯in]
MIN. - MAX. 17.6 - 88 35 - 132 35 - 175 88 - 440 176 - 880 350 - 1750 880 - 4400 -
Resolution 0.1 0.2 0.5 1 2 5 -
Torque Range
[lbfο½₯ft]
MIN. - MAX. 1.5 - 7.3 3 - 11 3 - 14.5 7.5 - 36.5 15 - 73 30 - 145 75 - 365 150 - 735
Resolution 0.01 0.02 0.05 0.1 0.2 0.5 1
Torque Range
[ozfο½₯in]
MIN. - MAX. 285 - 1400 560 - 2100 560 - 2800 1400 - 7000 - - - -
Resolution 1 2 5 - - - -
Dimensions
[mm]
οΌ¬’ 75 106.5 75 120 135
οΌ₯ 46(50οΌ‰ 68.5
οΌ£ 49 73
ΦοΌ€ 13 - 18 27 38 51
░a 6.35 - 9.53 12.7 19.05 25.4
Φd1 2.1 - 3.1 4.1 6 6.5
Φd2 2.1 - 5 6 6.5
οΌ‘ 53 78
οΌ₯ 50(52οΌ‰ 71
Weight [kg] 0.25 1.3
                  Torque Accuracy ±1%+1dight
Common specifications           Bluetooth® Communication Specifications    
Angle Measurement Range 0 - 999º   Bluetooth® Version Ver. 5.0    
Angle Accuracy ±2° + 1 digit (at 30 °/s - 600 °/s, 90° rotation)   Modulation System GFSK    
Direction Clockwise / Counter-clockwise   Wireless Output 8 dBm    
Display 7-segment LCD display
Memory count value: 3 digits (character height: 3 mm),
Torque/rotating angle display: 4 digits(character height: 7 mm)
Unit, Remaining battery capacity, Measurement direction
  Transmission Power Class Class 1    
  Supported Profiles Classic SPP    
  BLE GATT custom profile    
  Comm. Distance Approx. 10 m (line of sight)    
Measurement Mode PEAK / RUN            
Memory 999            
Statistical Functions Number of samples, maximum, minimum and average values            
Power Supply Ni-MH battery pack            
Operating Time Approx. 8 hours (Bluetooth OFF: Approx. 10 hours)            
Charger Input: 100 - 240 V AC ±10 % (conforming to PSE, compliant with CE)            
Charging Time Approx. 2 hours            
Operating Temp. Range 0 - 40 °C (non-condensing)            
                     
Notes
  • ST3-G-BT external output connector cannot be used.

  • The Spintork® ST3 series cannot be used when connected to an impact wrench. (Damage to electronic parts could cause equipment failure and inaccuracy.)

  • Japan’s Measurement Law prohibits ST3-G / ST3-G-BT series devices from being used in Japan or sold for use in Japan.

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

  • Excel® is a registered trademark of Microsoft Corporation.

 

Standard accessory

Quick battery charger BC-4-2, power source conversion plug, power source plug for long-term storage, carrying case, instruction manual, USB connecting cable (No.384; not supplied for –BT models), calibration certificate

Dimensions

ST10N3-G(-BT)~ST1000N3-G(-BT)

ST15N3-6.35-G(-BT)


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