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Fiber Optic Visual Fault Locator Fiber Optic Test Equipment VFL to Find Fault

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Fiber Optic Visual Fault Locator Fiber Optic Test Equipment VFL to Find Fault

Brand Name : FOCABLE
Model Number : Visual Fault Locator VFL650-1S
Certification : RoHS Compliant, ISO Certificate
Place of Origin : China
Payment Terms : Western Union, T/T
Supply Ability : 5000PCS/MONTH
Packaging Details : 1PCS/BOX
Type : Handheld
Wavelength(nm) : 650
Output power : 5mW, 10mW, 20mW, 30mW
Optical Connector : FC
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Fiber Optic Test Equipment Fiber Optic Visual Fault Locator VFL to Find Fault

General information

This pen-style VFL is specially designed for field personnel who need a portable light source tool for fiber tracing, fiber routing, continuity testing, to locate breakpoints (bending or cracking in fiber optic cables), and poor connections.

Visual fault locator use 650nm laser module as emitter, which is suitable for single mode or multimode fiber inspection. The output mode can be chosen between CW and 2Hz frequency of light, it is widely used in optical communication, optical components measurement, fiber optical sensor and other fields.

FOC COMMUNICATION CO., LTD built the Visual Fault Locator to last. Visual Fault Locator incorporates an energy-absorbing holster over an impact-resistant case to withstand drops, impacts and rough treatment, ensuring years of trouble-free operation. Together with a heavy-duty tethered end cap to protect the fiber adapter, Visiual Fault Locator is the VFL for demanding field applications. Unlike more fragile VFL's that utilize a flashlight body or plain plastic case, FOC COMMUNICATION CO., LTD industrially engineered the VisiFault custom-case to be mechanically tough. The case is compact for field-use and ergonomically designed for comfort.


  1. Optic fiber communication and maintenance
  2. Security system optic fiber transmitter setup and maintenance
  3. Optic fiber CATV system and maintenance
  4. Optic fiber sensing research
  5. Optical devices manufacture and research


  1. Pen sized VFL fault locater & line tracer
  2. Single mode, multimode and plastic fiber applications
  3. Eye safe Class 1 device, no safety procedures required
  4. Rugged & simple fibre optic fault finder
  5. 2.5 & 1.25 mm universal connector options
  6. Pulsed or continuous laser options
  7. Useful in combination with an OTDR, to help exactly identify a fault

Technical Specifications



Central wavelength

650nm±10nm (635nm is available on request)

Emitter type


Output power





Laser Range





Optical connector

2.5mm universal connector, for 1.25mm connectors, FC (Male)-LC. (Female) convertor can be provided on request

Operating model

Both CW and Pulse available

Pulse frequency

2Hz to 3Hz/9Hz

Power supply

2AA alkaline batteries


AA alkaline battery

Operating temperature

-20°C to 60°C

Storage temperature

-40°C to 85°C


Φ25 X 195


100g (without battery)

Standard Packages – Pen-type Visual Fault Locator




Main unit, User Manual

Fiber Optic Visual Fault Locator, Optical Fiber Visual Fault Locator, Handheld Fiber Visual Fault Locator, Bench-top Visual Fault Locator

Product Tags:

fiber optic test tools


fiber optic test and measurement

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