Fiber Optic Visual Fault Locator 20KM VFL Red Light Pen Portable Tester

1 20KM TESTING: This fiber visual fault locator has a longer penetration distance of 20KM, with stable performance, and long service life. 2 2.5MM CONNECTOR: This visual fault locator uses a universal 2.5MM connector and supports common interfaces for FC, SC, and ST. 3 DETACHABLE DESIGN: The metal pen head of the fiber optic source tester is detachable, making it easy to replace the ceramic core. 4 WORK PRINCIPLE: The VFL pen is driven by constant current source and connected to the optical interface to enter multimode and single mode optical fibers, achieving fault detection function. 5 MULTI PURPOSE: This red light pen is an indispensable tool for fiber optic engineering construction, fiber optic network maintenance, and optical device production and research.

What's in the box
1 x Fiber Tester