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LCT004 Dynamic Torque Shaft Torque Sensor Micro Rotary Torque Sensor for Dynamic Torque

  • LCT004


圣邦网站2详情页-1000_01 - 副本



T7 series torque sensor is a typical structure of non-contact torque sensor, the output signal of non contact mode, the high frequency part of the signal is filtered by the detection circuit, only the torque signal is amplified. Non contact torque sensor due to the use of the non contact work, and long service life, high reliability, less susceptible to wear, less delay, deflection and axial offset axis impact smaller, now has been widely used in cars and light vehicles, is the mainstream product of EPS sensor.

The internal use of unique non-contact mode wireless transmission torque signal output.

With good stability, high precision, good reliability and long life.

Can measure dynamic torque, static torque; measurement of torque signal output and speed of high or low.

Whether it has nothing to do with rotation or steering.

Do not need to repeatedly adjust the zero position to continuously measure the positive and negative torque signal.

Signal using digital technology, strong anti-interference.

No slip ring wear parts, high speed can run for a long time

The measuring precision of torque is independent of the rotation speed and direction.

Positive and negative torque, speed and power can be measured.

Small size, light weight, easy to install, can be any location, any direction of installation.

Working Principle:

Non contact type torque sensor, the input shaft and the output shaft connected by the torsion bar, input spline shaft, output shaft with keyway. When the torsion bar by the rotation of the steering wheel torque twist, the relative position between the input shaft and the output shaft of the spline keyway is changed. The amount of relative displacement and torsion spline keyway variable is equal to the torsion bar, the spline on magnetic induction intensity changes, changes in the strength of a magnetic field, through the coil into a voltage signal.




Measuring Range


Use Temperature

1 05 0 ℃

Torque Precision

± 0. 5 % F·S

± 0. 3 % F·S(Optional)

Storage Temperature


Response Frequency

100 μs

Supply Voltage

 ± 15V ± 5 %


± 0. 3 % F · S

Load Current


Zero Temperature Drift

± 0. 3 % F · S

Relative Humidity


Insulation Resistance

>500M Ω

Suitable Speed

Under 6000RPM/Min

Static Overload



0V; + 15V; -15V; Speed Signal;

Torque signal;

Self Weight


Output Signal:

0-12v square wave frequency; Zero torque: 10kHz;

Forward full range:15KHz;Reverse full range:5KHz;Load current<10mA

Application Range:

Output torque and power of rotating power equipment such as electric motors, internal combustion engines, etc..

Transfer of load torque and input power generator, fan, pump, mixer, reducer, gearbox, hoist, propeller, drilling machinery and other equipment.

Transfer the torque in the process of machining center and automatic machine tool.

Transmission torque and efficiency of all kinds of rotating power system.

Can be used in the manufacture of viscometer.


Two end shaft extension flat key connection.

The sensor connector is divided into a. B end, B end is the measuring end, a end is the auxiliary B end which is connected with the tested equipment through the coupling, and the additional bending moment must be avoided during the installation.

If it is necessary to measure the speed, it is only necessary to install a special speed sensor and its speed measuring wheel inside the torque sensor of this series to measure the speed signal of 6-30 square waves per revolution.

Signal Processing:

1. Use the torque meter to directly display the torque value;

2. Directly send the torque frequency signal to the computer or PLC for processing;

3. The external module can be converted to 4-20mA or 1-5V analog signal;

Please Note for use:

Wiring must be correct;

±15V range: not less than ± 14.5V and not more than ± 15.5v;

The output of signal line shall not be short circuited to ground or power, and the output current shall not be greater than 10mA;

The shielding layer of shielded cable must be connected with the common terminal (power ground) of ± 15V power supply;

The elastic body of the sensor is very fine and small, and overload is strictly limited, and the overload range is20%, otherwise it is very easy to be damaged;

If you have any questions in use, please contact our company in time, and do not dismantle it by yourself within the warranty period;



Product name LCT004 Dynamic Torque Shaft Torque Sensor Micro Rotary Torque Sensor for Dynamic Torque
Market All over the world
Features High precision and stable performance
Advantage 0EM/ODM
Sample Lead Time 5~ 40Days
Sample price The price is different according to product capacity
Custom Design Welcome
Form of sale Factory supply


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