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Rugged Visual Fault Locator Kit

Designed to detect fiber breakpoints, fiber leaks, poor connections, and stress points, this rugged visual fault locator is perfect for field personnel detecting faults in fiber optic cables. This rugged VFL features the following:

  • 650 nm Class IIIA laser diode identifies faults in single and multi-mode fiber up to 3 miles long
  • Has three different modes with constant output power: Continuous wave, pulsing, and slower pulsing mode
  • Works in OTDR dead zones and is used for end-to-end visual fiber identification
  • Protective sleeve can be rotated to keep power button safe from being accidently pressed
  • Light and portable pen-style design with rugged aluminum housing is perfect for jobsites and on-the-go use
  • 60 hours of battery life powered by two AA batteries (included)
  • Also includes adapters for 1.25 mm and 2.5mm ferruled connectors, such as FC, SC, and ST connectors, as well as an LC adapter for LC connectors, carrying pouch, batteries, and instructions

Kit includes


Fiber Connector


Light Source

Class IIIA Laser Diode


Up to 5 km (3.10 miles)


650 nm ± 10 nm

Working Temperature

-4 Fahrenheit (-20 Celsius) to 140 Fahrenheit (60 Celsius)

Storage Temperature

-40 Fahrenheit (-40 Celsius) to 185 Fahrenheit (85 Celsius)


2 AA Batteries

Battery Life

60 Hours


7.68" x 0.98" x 0.98" (19.5 cm x 2.5 cm x 2.5 cm)

Weight 0.36 lb (164.348 g)
UPC # 810053350577