20KM VFL Red Pen Fiber Optic Tester 650NM

Riepilogo

• 20KM TESTING: This fiber visual fault locator has a longer penetration distance of 20KM, with stable performance, and long service life.
• 2.5MM CONNECTOR: This visual fault locator uses a universal 2.5MM connector and supports common interfaces for FC, SC, and ST.
• DETACHABLE DESIGN: The metal pen head of the fiber optic source tester is detachable, making it easy to replace the ceramic core.
• 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.
• 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.