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Motor Torque Detectors
MT series
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MT-6413A
Photo (MT-6413A Motor Torque Detector)

High precision and performance motors are expanding applications ranging from ultra high speed motor for home appliances, low speed motor for office automation and audio visual devices, to ultra sonic motor in a versatile industrial fields. Ono Sokki can provide a variety type of torque detectors in the MT-series, 47 models in 6 of MT-series in total and this wide selection of detectors can satisfy requirements in the market. The MT-series is integrated with TS-7700 Torque Station Pro for measurement of motor characteristics.

Go to TS-7700 Torque Station Pro.

Specifications

  • MT series Common Specifications

Torque detection method Magnetic phase-differential principle
Shaft mounting method Ball-bearing type
Torque measurement accuracy ±0.2 %//full scale (when the N-0 compensation function is used together with the TS-7700.)
Current/voltage detection accuracy ±0.5%/full scale (the current/voltage detector is provided as an option with some models.)
Motor power supply Not inluded
Options
  1. Motor coupling
  2. Motor fixture
  3. Motor XY table
  4. Large current detector (exceeds the ranges covered by each detector.)
  5. AC power supply/Power meter for 3-phase power measurement
Operating temperature range 0 to +40°C
Power supply 100 VAC ±10% 50/60 Hz (other voltages up to 240 VAC can  be sepcified.)
Brake functions Can be used within the ranges indicateed by the areas shaded by diagonal lines inn the diagrams below.

MT series Brake Function Diagrams

  • MT-A series Micro Torque Detectors

Photo (MT-A series Micro Torque Detectors)

  • When combined with the TS-7700, enable automatic measurement of motor revolutions and torque characteristics.

  • Perform both torque and revolution control, and are suitable for the measurement of both AC and DC motors .

  • Braking by the motor enables the measurement of no-load revolutions.
Measurement parameters Torque, Revolution, Current, Voltage
Current measurement
range		 5A/1A DC MT-201A to  MT-202A
10A/2A DC MT-103H, MT-203A
Voltage measurement
range		 50 V/10 V DC
Weight 7 kg MT- 201A to 103H
23 kg MT- 203A

Model

Capacity

Revolution Measurement Range

MT-201A

2 mN•m

200 to 10000 r/min

MT-501A

5 mN•m

200 to 10000 r/min

MT-102A

10 mN•m

200 to 8000 r/min

MT-202A

20 mN•m

200 to 8000 r/min

MT-103H

100 mN•m

200 to 8000 r/min

MT-203A

200 mN•m

200 to 8000 r/min

  • MT-6100 series Torque Detectors for High-speed Revolutions

Photo (MT-6100 series Torque Detector for High-speed Revolutions)

  • Can measure higher speed motors than the MT-A Series can.

  • When combined with the TS-7700, enable automatic measurement of motor revolutions and torque characteristics.

  • Perform both torque and revolution control, and are suitable for the measurement of both AC and DC motors .

  • Braking by the motor enables the measurement of no-load revolutions.
Measurement parameters Torque, Revolution, Current, Voltage
Current measurement
range		 10 A/2 A DC
Voltage measurement
range		 50 V/10 V DC
Weight 23 kg

Model

Capacity

Revolution Measurement Range

MT-6112

10 mN•m
 600 to 25000 r/min

MT-6122

20 mN•m
 600 to 25000 r/min

MT-6152

50 mN•m
 600 to 25000 r/min

MT-6113

100 mN•m
 500 to 20000 r/min
 

  • MT-6200 series Torque Detectors for Torque Ripple and Cogging Torque

Photo (MT-6200 series Torque Detectors for Torque Ripple and Cogging Torque)

  • Can measure torque ripple when the motor is excited, and cogging torque when the motor is in the non-excited state.

  • Control and measurement can be performed at intervals of from 0.5 to 5 r/min.
Measurement parameters Torque, Revolution, Current, Voltage
Current measurement
range		 5A/1A DC;MT-6221 to MT-6213
10A/2A DC;MT-6223 to MT-6215
Voltage measurement
range		 50 V/10 V DC
Weight 7kg ; MT-6221 to MT-6213
15kg ; MT-6223 to MT-6224
23kg ; MT-6254 to MT-6215

Model

Capacity

Revolution Measurement Range

MT-6221

2 mN•m

0.5 to 5 r/min

MT-6251

5 mN•m

0.5 to 5 r/min

MT-6212

10 mN•m

0.5 to 5 r/min

MT-6222

20 mN•m

0.5 to 5 r/min

MT-6252

50 mN•m

0.5 to 5 r/min

MT-6213

100 mN•m

0.5 to 5 r/min

MT-6223

200 mN•m

0.5 to 5 r/min

MT-6253

500 mN•m

0.5 to 5 r/min

MT-6214

1 N•m

0.5 to 5 r/min

MT-6224

2 N•m

0.5 to 5 r/min

MT-6254

5 N•m

0.5 to 5 r/min

MT-6215

10 N•m

0.5 to 5 r/min

 

  • MT-7200 series Standing Type Torque Detectors for Torque Ripple and Cogging Torque

Photo (MT-7200 series Standing Type Torque Detectors for Torque Ripple and Cogging Torque)

  • Can perform measurement when the motor is positioned horizontally.

  • Misalignment can be minimized. The coupling does not put any load on the moter to be measured.

  • Measurement is possible at the stabilized revolution status by the gear motor without backlash.
Measurement parameters Torque, Revolution
Weight 25 kg
Model Capacity Revolution Measurement Range
MT-7221
2 mN•m
 0.5 to 5 r/min
MT-7251
5 mN•m
 0.5 to 5 r/min
MT-7212
10 mN•m
 0.5 to 5 r/min
MT-7222
20 mN•m
 0.5 to 5 r/min
MT-7252
50 mN•m
 0.5 to 5 r/min
MT-7213
100 mN•m
 0.5 to 5 r/min

  • MT-6400A series Torque Detectors Equipped with a Hysteresis Brake

Photo (MT-6400A series Torque Detectors Equipped with a Hysteresis Brake)

  • Can measure higher speed motors than the MT-A Series can.

  • When combined with the TS-7700, enable automatic measurement of motor revolutions and torque characteristics.

  • Perform both torque and revolution control, and are suitable for the measurement of both AC and DC motors.
Measurement parameters Torque, revolution, current, voltage Current and voltage measurement are options for the MT-6424A or higher torque capacity models
Current measurement
range		 10 A/2 A DC; MT-6413A to MT-6414A
Voltage measurement
range		 50 V/10 V DC; MT-6413A to MT-6414A
Weight Varies according to the model selected

Model

Capacity Brake Power

Revolution Measurement Range

MT-6422A

0.02N•m
5 W

100～20,000 r/min

MT-6452A

0.05N•m
8 W
 100～20,000 r/min

MT-6413A

0.1N•m
12 W
 100～20,000 r/min
MT-6423A
0.2N•m
23 W
 100～15,000 r/min
MT-6453A
0.5N•m
75 W
 100～12,000 r/min

MT-6414A

1 N•m
75 W

100～12,000 r/min

MT-6424A
2 N•m
160 W
 100～10,000 r/min
MT-6454A
5 N•m
200 W
 100～10,000 r/min
MT-6415A
10 N•m
350 W
 100～7,000 r/min
MT-6425A
20 N•m
600 W
 100～7,000 r/min

Note 1 :Drag torque may occur in the brake, and cannot be measured under no-load conditions.
 

  • MT-6500 series Torque Detectors Equipped with a Powder Brake

Photo (MT-6500 series Torque Detectors Equipped with a Powder Brake)

  • Can measure comparatively high-capacity low-revolution motors such as gear motors.

  • When combined with the TS-7700, enables automatic measurement of motor revolutions and torque characteristics.

  • A movable support stand with an X-Y table is provided as a standard accessory.
Measurement parameters Torque, revolution
Brake Power Please refer to the table on the right (when used continuously).
Weight Varies according to the model selected

Model

Capacity Brake Power

Revolution Measurement Range

MT-6514

1 N•m
20 W

5 to 1800 r/min

MT-6524

2 N•m
50 W

5 to 1800 r/min

MT-6554

5 N•m
130 W

5 to 1800 r/min

MT-6515

10 N•m
320 W

5 to 1800 r/min

MT-6525

20 N•m
450 W

5 to 1800 r/min

MT-6555

50 N•m
1500 W

5 to 1800 r/min

MT-6516

100 N•m
2200 W

5 to 1800 r/min

MT-6526

200 N•m
3200 W

5 to 1800 r/min

 

  • Options Sold Separately

MT-093 Motor Support Stand

Illustration (MT-093 Motor Support Stand)

XYZ table. Used for motors with a small torque and a small diameter.

 V Block

Illustration (V Block)

The V-Block is a jig used to fix the motor in place. The motor is held in place between the upper and lower blocks. The V block can be used with several different motors.
MT-0094 Motor Support Stand

Illustration (MT-0094 Motor Support Stand)

XYZ table. Used for motors with a micro torque and a small diameter.

 L-Bracket

Illustration (L-Bracket)

The L-bracket is a jig used to fix the motor in place. The motor is stopped by the jig, and then attached to a support stand. Please contact Ono Sokki for the dimensions. If the mounting holes are in the same location, the jig can be used with several different motors if the screw holes are adapted.
MT-0095 Movable Stand with XY Table

Illustration (MT-0095 Movable Stand with XY Table)

Used for motors with a large diameter. Casters supplied.

 Coupling

Illustration (Coupling)

The coupling is used to connect the detector to the shaft. A different coupling is required for each diameter.
KK-092 Movable Stand with XY Table

Photo (KK-092 Movable Stand with XY Table)

This stand is larger than the MT- 0095. Used for motors with a large diameter. Casters supplied.

 Adapter

Illustration (Adapter)

This is a jig used to convert a shaft of an unusual shape to a round shaft. Please use a drawing or similar to indicate the shape of the shaft.
BA-910A Brake Control Amplifier

Illustration (BA-910A Brake Control Amplifier)

This amplifier is required when using the MT-6555, 6516, 6526 and MT-103A torque detectors. Includes the BA-0960 unit when used as a current/voltage detector.

 External Current/Voltage Detector (External Box)

Illustration (External Current/Voltage Detector )

This box is used for DC measurement. Place the box between the motor and the power supply unit. Current: Select from 15A, 30A, 50A, 75A, 100A, 200A, 300A Voltage: 1V to 100V, must be specified.

Note: The TS-7700 and TS-7100 signal cable connectors are different. Please make sure that you have the correct equipment.

Revised：2005/09/20

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