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Pen-type Visual Fault Locator (3C-VFL-6S)
Pen-type Visual Fault Locator (3C-VFL-6S)

he Pen Type VFL is the easiest way to identify fibers from end to end and locate polished connector end faces. Its red laser shines through most yellow-jacketed fibers to help you pinpoint breaks, bends, faulty connectors, splices and other causes of signal loss. It has a reach of up to 20 km.

The convenient 3C-VFL-6S locates faults visually by creating a bright red glow at the exact location of the fault on single mode or multimode fibers.

3C-VFL-6S Pen-type VFL is specially designed for field personnel who need an efficient and economical tool for fiber tracing, fiber routing and continuity checking in optical network. It includes:
*   Finding the breakpoint, poor connections, bending or cracking in fiber optic cables.
*   Finding the faults of OTDR dead zone
*   End-to-end visual fiber identification


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  • 2.5mm universal connector
  • Operates either in CW or Pulsed
  • Constant output power
  • Lower Battery warning
  • Long battery life (up to 60 hours)
  • Crash-proof and dust-proof design for laser head
  • Laser case ground design prevents ESD damage
  • Burning testing to ensure the reliability.
  • Portable and rugged, easy to use
  • Guarantee to CE standards include EMC, EMI, ROHS
  • Specifications


    3C-VFL-6S Pen-type Visual Fault Finder

    Central  Wavelength

    650nm±10nm (635nm can be required on request)

    Emitter  Type


    Output  Power

    Optional choice for 1mw, 3mw, 5mw,10mw on actual needs

    Optical  Connector

    2.5mm universal connector

    For 1.25mm connectors, FC (Male)-LC  (Female) convertor ( Choice)

    can be optional on customer  requests

    Operating  Model

    Both CW and Pulse available

    Pulse  Frequency


    Power  Supply

    2   AA alkaline batteries

    Battery  Operating Time

    650nm@1mw 65hour

    650nm@3mw 50hour


    Test with Panasonic LR6 AA ALKALINE  battery

    Operating  Temperature

    -10~+45 ()

    Storage  Temperature

    -40~+70 ()

    Dimension  (mm)



    120g(Without battery)

    Standard Packages




    Main Unit (Original color), 2pcs Alkaline  battery, User Manual, Cotton swabs and Soft Carrying case.





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