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Low price ESMSNJ02 Torque wrench Double-slot static torque sensor with 10~10000Nm

 ESMSNJ02A static torque sensor is a high-precision detection device used to measure torque in stationary or low-speed conditions. It primarily utilizes the strain gauge bridge principle, converting torque signals into standard electrical signals through an elastic body and strain gauges. It is widely used in torque calibration, torque detection, assembly monitoring, and other applications.

The sensor features a compact structure and strong stability, with high accuracy, fast response, and strong anti-interference capabilities. It supports multiple signal outputs and can be adapted for data acquisition, PLC control, and upper computer monitoring. Its installation method is flexible, accommodating different tooling and equipment interfaces, making it convenient and reliable to use.

The sensor has no rotating parts and does not require slip rings, resulting in a long service life. It is suitable for valve torque testing, bolt tightening force detection, torque wrench calibration, motor and reducer reaction force measurement, and other working conditions. It plays an important role in industrial assembly, automotive manufacturing, machinery inspection, and scientific experiments, serving as a key component for achieving precise torque measurement and process control.

    Working Principle

    The ESMSNJ02 static torque sensor is based on the principle of resistive strain. When torque is applied to the sensor, the internal elastic body deforms, and the strain gauges attached to the elastic body also deform, thereby changing their resistance. The Wheatstone bridge composed of the strain gauges converts the resistance change into a voltage signal, which is then amplified, filtered, and converted by the signal processing circuit, ultimately outputting an electrical signal that has a linear relationship with the torque.

    Product Features

      1. High accuracy: Non-linearity ≤ ±0.1% FS, repeatability ≤ ±0.05% FS, suitable for calibration and trade settlement.


      2. Strong stability: No rotational friction, overload resistance up to 150% FS, reliable for long-term use.


      3. Easy installation: Key connection, no straight pipe section required.


      4. Applicable scenarios: Only measures static / very low-speed torque, not suitable for continuous rotation conditions.

       application  scenarios

        1. Industrial Assembly: Bolt tightening torque, valve/flange locking torque inspection.

         
        2. Equipment Calibration: Torque wrench, power tool, reducer reaction force calibration.

         
        3. Scientific Research Testing: Material torsional strength, static mechanical performance experiments.

         
        4. Energy and Heavy Machinery: Wind power, drilling, ship shaft system static torque monitoring.

        Product detail

        ESMSNJ02 (2)ESMSNJ02 (4)ESMLS01-p-2

        Technical Specifications

        ESMSNJ02 static torque sensor

        Rated load

        1~10000N.m (large range custom)

        Comprehensive precision

        0.1% (linear + hysteresis + repeatability)

        Sensitivity

        1.0~1.5mV/V

        Creep

        ±0.1~±0.3 %FS/30min

        Zero output

        ±1%F·S

        Zero temperature effect

        ±0.1~±0.3 %FS/10℃

        Output temperature effect

        ±0.1~±0.3 %FS/10℃

        Operating temperature

        -20℃~+65℃

        input resistance

        750±30Ω

        Output impedance

        700±10Ω

        Insulation resistance

        5000MΩ

        Safety overload

        150%F·S

        Bridge voltage

        10VDC

        Material

        alloy steel

        Wiring

        Power (+) red line power (-) green line

        Output (+) yellow line output (-) white line

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