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High precision ESMLS02F S-type tension and compression load cells sensor for platform scales sensor hopper scales and crane scales

ESMLS02F S-type load cell is a common force measuring sensor, named for its distinctive S-shaped structure. It is widely used in weighing equipment such as hopper scales, platform scales, and crane scales, as well as in industrial and commercial scenarios that require force measurement, such as testing machines, batching systems, and tension control.

S-type sensors are widely used in the following fields:
1. Suspended weighing (tension):
- Crane scales: used for weight display under cranes and hoists.
- Hopper/tank suspension: the hopper is hung on a support via an S-type sensor to measure material weight (commonly used in batching systems).
- Belt scale tension detection: measuring the tension of conveyor belts.
2. Platform support weighing (pressure):
- Small platform scales: multiple S-type sensors (usually 3 or 4) are installed upside down to support the scale platform, used for electronic bench scales and counting scales.
- Testing machines: force measurement units in universal material testing machines.
3. Process control and feedback:
- Robot grippers: installed at the end of a robotic arm to sense gripping force and achieve force-controlled assembly.
- Tension control: closed-loop tension control of rolls in textile, paper, and film production.
- Button testing: testing the force curve of keyboards and buttons.
4. Medical and fitness equipment:
- Resistance measurement in rehabilitation equipment and internal sensors in weight scales.

    Working Principle

    ESMLS02F S-type load cells are usually composed of an elastic body made of high-strength alloy steel or stainless steel and strain gauges. The strain gauges are precisely attached to the part of the S-shaped elastic body that is most susceptible to deformation. When a force is applied to the top or bottom of the sensor, the middle 'beam' of the S-shape undergoes slight bending, causing the strain gauges attached in this area to be stretched or compressed, which changes their resistance. This disrupts the initial balance of the Wheatstone bridge, and a tiny voltage difference proportional to the applied force appears at the bridge's output. After amplification and processing, this signal finally displays the force or weight value.

    Product Features

    1. Simple structure
    2. Lightweight
    3. Easy to install
    4. High precision
    5. Good linearity
    6. High stability

    Product detail

    ESMLS02F-p-1ESMLS01-p-2ESMLS02F-p-3

    Technical Specifications

    Capacity

    0-0.2~1T

    2~5T

    Comprehensive precision

    0.05% F·S

    Sensitivity

    2±0.1mv/v

    Creep

    ±0.02% F·S/30min

    Nonlinear

    ±0.05% F·S

    Hysteresis error

    ±0.05% F·S

    Repeatability error

    ±0.05% F·S

    Zero temperature error

    ±0.02%F·S/10℃

    Output Temperature error

    ±0.02%F·S/10℃

    Input impedance

    685±35Ω

    Output Impedance

    650±1Ω

    Insulation Resistance

    ≥5000MΩ

    Excitation voltage

    9~15VDC

    Material

    Alloy steel

    Connection type

    Input(+):red       input(-):black

     

    Output(+):green   output(-):white

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