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FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 1
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FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 9
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FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 16
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
  • FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating
FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 1 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 2 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 3 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 4 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 5 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 6 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 7 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 8 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 9 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 10 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 11 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 12 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 13 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 14 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 15 FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating - Image 16

FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating

Visual Fault Locator for SC, FC and ST fiber connectors. CW or flashing red light, 17.8cm pen design and multiple power options.

Price range: $7.25 through $19.88
MW

Visual Fault Locator – SC, FC and ST Red Light Pen

This Visual Fault Locator is a red-light fiber testing pen for locating breaks, bends and fault points in compatible optical cables. It supports SC, FC and ST connector formats for FTTH installation and field maintenance.

The 17.8cm pen-style tool offers continuous-wave (CW) and flashing operation, with multiple selectable power options. Select the output option for your testing requirements and match the connector interface.

Product NameVisual Fault Locator(VFL)Applicable ConnectorSC / FC / ST
Optional Power5MW/10MW/15MW/20MW/30MW/50MW/60MW/70MW/80MW/100MWWorking ModeCW / Glint
Product Length17.8cmApplicationFTTH, Fiber Cable Fault Detection, Field Maintenance

 

DM 20260818151520 001 Supplier of fiber optic patch cables, cat5e/cat6/cat6a Ethernet cables, data transmission cables, audio/video cables, and power cords. DM 20260818151515 001 Supplier of fiber optic patch cables, cat5e/cat6/cat6a Ethernet cables, data transmission cables, audio/video cables, and power cords. DM 20260818151513 001 Supplier of fiber optic patch cables, cat5e/cat6/cat6a Ethernet cables, data transmission cables, audio/video cables, and power cords.

  • Visual fault locator red light pen, fits SC, FC, ST fiber connectors, used to find break point and fault position on fiber optic cables.
  • Support CW continuous light and glint flashing light two working modes, multiple power options for different on‑site test requirements.
  • Pen‑style portable design, 17.8cm length, easy to carry for outdoor FTTH installation and fiber network maintenance work.
  • Slide switch for simple mode switching, battery‑powered, equipped with lanyard for convenient storage and carrying.
  • Practical field test tool for fiber patch cord, drop cable inspection, widely used in optical wiring and telecom‑related work.

FAQ

Which fiber connectors can this VFL red light pen support?

Compatible with SC, FC, ST connectors, widely used for field FTTH fiber cable inspection and fault detection.

What problems can a visual fault locator detect?

It can spot fiber breaks, sharp bends, poor connections and leakage points on optical fiber cables during on‑site installation and maintenance.

Is this VFL suitable for single‑mode and multi‑mode fiber?

The red light penetrates both single‑mode and multimode fiber, perfect for quick visual troubleshooting in FTTH network projects.

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FTTH Fiber Testing Visual Fault Locator, VFL Red Light Pen for SC FC ST Connector Optical Cable Fault Locating