8411 Subminiature load cell

Discontinued model, replacement model 8417
Very compact, small dimensions, robust, resistant, for tensile and compressive forces, stainless steel

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      • Features

        • Very small dimensions
        • Robust construction
        • Made of stainless steel
        • High resonance frequency
        • For tensile and compressive forces
        • Relative non-linearity: < ±0.5 % F.S.
        • burster TEDS optionally available
      • Product data

        Model 8411
        Measuring range

        0 … 2,5 N
        0 … 5 N
        0 … 10 N
        0 … 20 N
        0 … 50 N
        0 … 100 N
        0 … 200 N
        0 … 500 N
        0 … 1000 N
        0 … 2000 N
        0 … 5000 N

        Direction of force Tension and compression
        Standardization Option
        Signal output

        2 mV/V
        15 mV/V
        depending on measuring range

        Protection class IP54
        Overload protection No
        Pull-plate No
        Load introduction button No
        Range of operating temperature -55 ... +120 °C
        Specific characteristics

        • Very small dimensions
        • Robust construction
        • Made of stainless steel
        • High resonance frequency
        • Characteristic curve deviation < 0.5% F.S.
        • burster TEDS optionally available
      • Description

        The sensors series 8411 have deliberately been given small dimensions, so that they can easily be incorporated into existing structures or fitted into locations where access is difficult. Tensile and compressive forces are introduced to the cylindrical sensor housing through the two threaded bolts. Typical applications for these subminiature load cells include their use as measuring devices in equipment construction in general, in production lines, in measurement and control equipment, test equipment and so forth.

        The sensor is to be carefully screwed into place using the threaded bolts. Tools must not be used for assembly.

        The force must only be applied centrally, along the center line, and only through the threads. Other fitted parts must not touch the sensor housing; it is recommended that adhesive is applied to the threads. Bending, flexing or torsion forces will cause errors in the measurements and can damage the sensor. To avoid overload during assembly, it is helpful if electrical connections are made to the sensor beforehand and if the measurement on the display is watched during the process.

        The forces to be measured are applied centrally to the load cell through the two threaded pins. One covering surface of the cylindrical sensor housing is implemented as a measuring element, with the strain gauge being applied to its inner side. Under the influence of force, the full bridge circuit is unbalanced, and an output signal proportional to the force is generated.

        A rigid compensation circuit board, 7 mm wide and 70 mmlong, is located in the connecting cable to the sensor about 900 mm from the sensor body. This contains a resistor network for balancing the bridge and for temperature compensation. Removing the circuit board, or changing the cable length, will disturb the sensor‘s calibration figures.

        The strong, rigid design leads to high natural frequencies up to 160 kHz as a result, which is beneficial for dynamic measurements. The active side is the thread next to the cable.

      • Data Sheet & Downloads

        Data sheet
        Further info
      • Accessories

        pdf Rod ends with internal/external thread for force introduction
      • Videos

        Example showing load cell fitted under pre-load using quick-change device

        Youtube channel Burster Youtube Channel

      burster in Germany

      burster praezisionsmesstechnik gmbh & co kg
      +49 7224645-0

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      30.11. - 02.12.21 - Stuttgart, 70269, Germany  

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