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Benefit from the exact length

Length measuring devices are used to ensure that the required wire or cable length is accurate. Short or excess length leads to yield losses. If the production length is reduced by just 0.1 %, the LM SMART length measuring device pays for itself in just a few months.


Function: so simple and smart

The LM SMART is based on the market-proven laser doppler measuring method and therefore functions largely independent of the color, surface quality and diameter of the product. Two laser beams are used to direct light onto the passing product surface. The beams overlap and create a stripe pattern on the object, from which the speed and thus the product length traveled over time is precisely determined.

Typical features of the LM SMART:

  • Laser protection class 3B (laser class 1 optional)
  • Comfort stand (optional) for easy set-up and adjustment
  • ECOCONTROL display unit (optional) provides a clear display of the produced length and line speed
  • Direction recognition via system signal


Speed range1 – 2,400 m/min (different sensor types)
Typical repeatability± 0,02 %
Typical accuracy± 0,05 %
Operating distance120 mm
Operating distance toleranceup to ± 20 mm (± 5 mm at full accuracy)
Direction recognitionvia external signal
LaserLaser class 3B (25 mW, 780 nm)
InterfacesPulse output, industrial fieldbus (Profinet IO, EtherNet/IP, Profibus-DP)
Power supplyDevice: 24 V DC, optional via power supply unit: 230 V AC
Dimensions (LxWxH)154 x 94 x 39 mm
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    SIKORA Sales Team

    Phone: +49 421 48900 0
    Fax: +49 421 48900 90

    Service & Support Hotline +49 421 48900 50
    Service & Support E-Mail:

    Bruchweide 2
    D-28307 Bremen
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