• Handheld Fiber Optic Test Pen Type Visual Fault Locator VFL 5mW
Handheld Fiber Optic Test Pen Type Visual Fault Locator VFL 5mW

Handheld Fiber Optic Test Pen Type Visual Fault Locator VFL 5mW

Product Details:

Place of Origin: China
Brand Name: FOCABLE
Certification: RoHS Compliant, ISO Certificate
Model Number: Visual Fault Locator VFL650-2S

Payment & Shipping Terms:

Minimum Order Quantity: 1PCS
Packaging Details: 1PCS/BOX
Payment Terms: Western Union, T/T
Supply Ability: 5000PCS/MONTH
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Detail Information

Type: Handheld Wavelength(nm): 650
Output Power: 5mW, 10mW, 20mW, 30mW Optical Connector: FC
High Light:

fiber optic test tools


fiber optic test and measurement

Product Description

Fiber Optic Test Equipment Pen Type Visual Fault Locator VFL 5mW


General information

Visual fault locator emits a bright beam of red light easily visible from a distance. Connect the VFL to one end of a fiber then locate that fiber at the other end, even if it one of many fibers either in a cable or terminated in a rack. Perform simple end-to-end continuity checks. Verify the proper polarity and orientation of fibers within a multi-fiber connector like the MT-RJ.


Visual fault locator can quickly illuminate fiber breaks, damaged connectors on patch cords, defective splices in splice trays, and tight fiber bends in and around equipment racks. The choice of a continuous wave output mode for steady fault illumination or a flashing output mode makes for easier fault location.



  1. Maintenance in telecom, CATV
  2. Test Lab of optical fibers
  3. Fiber routing and continuity checking in optical networks.
  4. Other fiber optic measurements


  1. Locates visual faults including tight bends, breaks and bad connectors
  2. Accelerates end-to-end fiber checks
  3. Easily verifies polarity and identifies fibers
  4. Features continuous and flashing modes
  5. Ergonomic case survives drops, impacts and vibrations
  6. Supports 2.5 mm and 1.25 mm connectors
  7. Operates either in CW or Pulsed mode with constant output power
  8. Low battery warning
  9. Long battery life (up to 60 hours)
  10. Laser case ground design prevents ESD damage
  11. Easy to use
  12. Portable and rugged
  13. Drop-resistant and dust-proof design of laser head

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


Handheld Fiber Optic Test Pen Type Visual Fault Locator VFL 5mW 0


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

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