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    • Features
      Device typeFibers
      Functional principleThrough-beam system
      Functional principle detailConsisting of a sender and a receiver
      For fiber-optic sensorGLL170(T), WLL180T, WLL80
      Fiber length2,000 mm
      Fiber materialGlass
      Jacket materialStainless steel
      Fiber head materialCopper-zinc alloy (CuZn)
      Outer diameter, fiber-optic cable connection2.2 mm
      Thread diameter (housing)M4
      Fiber-optic head designThreaded sleeve
      Fiber arrangementMonofiber
      Core structureØ 0,8 mm Monofiber
      Angle of dispersion < 60°No
      Compatibility with infrared light (1,450 nm)Yes 1)
      ApplicationHeat-resistant (≥100°C)
      Diameter/thread size from 2 mm taper≥ 2.6 mm
      Length of taper≥ 3 mm
      Highly flexible/elastic fibers (bend radius 1–4 mm)No
      Adapter end sleeves requiredNo
      Angle of dispersion60°
      Integrated lensNo
      Minimal object diameter0.12 mm 2)
      Included with deliveryMounting, 6 x M4 hexagon nut, 2 x M4 hexagon nut (plastic), 4 x washer, FC fiber cutter (5304141), LL3-TB09
      Compatibility tip adaptersYes
      • 1) Reduced sensing ranges possible when using a fiber-optic amplifier with infrared light.
      • 2) Minimum detectable object was determined at optimum measuring distance and optimum setting.
    • Mechanics/electronics
      Bend radius, fibre-optic cable25 mm
      Ambient operating temperature–60 °C ... +200 °C
    • Classifications
      ECl@ss 5.027270905
      ECl@ss 5.1.427270905
      ECl@ss 6.027270905
      ECl@ss 6.227270905
      ECl@ss 7.027270905
      ECl@ss 8.027270905
      ECl@ss 8.127270905
      ECl@ss 9.027270905
      ECl@ss 10.027270905
      ECl@ss 11.027270905
      ECl@ss 12.027270905
      ETIM 5.0EC002651
      ETIM 6.0EC002651
      ETIM 7.0EC002651
      ETIM 8.0EC002651
      UNSPSC 16.090139121528
    • Sensing ranges with WLL80
      Operating mode 16 µs230 mm
      Operating mode 70 µs680 mm
      Operating mode 250 µs1,080 mm
      Operating mode 500 µs1,330 mm
      Operating mode 1 ms1,570 mm
      Operating mode 2 ms2,065 mm
      Operating mode 8 ms2,990 mm
    • Sensing ranges with WLL180T
      Operating mode 16 µs100 mm
      Operating mode 70 µs330 mm
      Operating mode 250 µs570 mm
      Operating mode 2 ms1,100 mm
      Operating mode 8 ms1,200 mm
      NoteSensing ranges related to fiber-optic sensors with type of light: visible red light
    • Sensing ranges with GLL170
      Operating mode 250 µs410 mm
    • Sensing ranges with GLL170T
      Operating mode 50 µs330 mm
      Operating mode 250 µs490 mm

    Technical drawings

    Dimensional drawing LL3-TH12
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