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Low price ESMNJ11 dynamic torque sensor with 200Nm

 The ESMNJ11 miniature dynamic torque sensor is a compact, high-precision, non-contact rotational torque measuring instrument, specifically designed for small-scale and high-speed dynamic scenarios. It can synchronously detect torque, rotational speed, and power parameters in real time. The product adopts a resistive strain-based electrical measurement principle, where strain gauges generate electrical signals through elastic shaft deformation. These signals are amplified and filtered by a dedicated chip and transmitted non-contact, without mechanical wear, suitable for high-speed operation requirements.

The instrument is small in size and is a compact sensor that can be easily embedded into precision equipment, allowing for convenient installation. Its measurement range covers 0.05Nm to 200Nm, offering high accuracy and high response frequency, capable of accurately capturing transient impact torque. It supports rotational speeds from 0 to 12,000 rpm and operates stably and reliably. The sensor features temperature compensation, anti-interference functions, supports multiple signal outputs and bidirectional measurement, and offers low friction and maintenance-free operation.

It is widely used in robotic joints, miniature motors, medical devices, automotive electronics, and precision automation equipment, enabling real-time torque monitoring and control. As a core component for enhancing device intelligence and precision, it combines a compact size with high efficiency, making it suitable for various dynamic measurement scenarios with space limitations.

    Working Principle

    ESMNJ11 detects the deformation of the shaft system by attaching strain gauges to the rotating shaft and utilizing the resistive strain effect. The sensor converts the strain caused by the shaft's torsion into electrical signals and transmits them to the data acquisition system via wireless transmission or slip rings.

    Product Features

      1. Ultra-compact size: Easily embedded in precision equipment, requires minimal installation space
      2. Strong dynamic performance: High frequency response, low inertia, measures pulsating/impact torque without distortion
      3. Non-contact transmission: No wear, long service life, capable of high-speed operation
      4. High accuracy and stability: Temperature compensation, interference resistance, reliable for long-term use
      5. Multi-functional: Synchronous measurement of torque, speed, and angle, supports bidirectional rotation

       application scenarios

        1. Robots: Joint, servo motor, collaborative arm torque monitoring
        2. Precision motors: Micro motors, brushless motors, servo performance testing
        3. Medical devices: Surgical robots, dental handpieces, pump and valve torque control
        4. Automotive electronics: Throttle, actuators, micro transmission testing
        5. Automation: Electric screwdrivers, viscometers, precision assembly, testing machines

        Product detail

        ESMNJ11-1 (1)ESMNJ11-1 (3)

        Technical Specifications

        Name

        ESMNJ11 dynamic torque sensor

        Measuring range

        0 ~ 200N.m

        Output sensitivity

        1.0~1.5mv/v

        Comprehensive accuracy

        0.1 0.03 0.03%FS

        Working temperature

        -20~80℃

        Temperature compensation range

        20~60℃

        Zero temperature range

        0.03%F.S/10℃

        Excitation voltage

        5-15VDC

        Insulation resistance

        2000Mohm/100vdc

        Input resistance

        350±10ohm

        Output resistance

        350±5ohm

        Zero output

        0~±1% F.S

        Safe overload rate

        120% F.S

        Factory standard cable length

        3meter

        Electrical connection

        P+: Red        S+: yellow

         

        S-: White       P-: green

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