Check the listing for details. Optical Fiber Multi-Meter FC/SC/ST VFL Universal Interface Fiber 4 in 1 Tested. Condition: Used, Made in China. Listed at 33.06 USD. The Optical Fiber Multi-Meter FC/SC/ST VFL Universal Interface Fiber 4 in 1 Tester is a handheld optical power meter designed for use with FC/SC/ST connectors. It offers a wide wavelength range of -70+6dBm, making it versatile for various testing and measurement needs in the field of fiber optics. This compact and convenient device allows users to quickly and accurately test the optical power levels of their fiber optic components, ensuring quality and reliability in their systems.