visual fault locetor

VLS-4 Visual Fault Finder is a 650nm Laser Source with an output power of 7mW used in SM or MM fiber. Two AAA batteries support VLS-4 work continually up to 30 hours. Grandway employs her specific design for VLS-4 output port that makes output adapter truly universal compared to other products, vls-4 has an FC adapter but it is very friendly to SC and ST connection without needing any other type of adapters.
VLS-4 is an ideal instrument for patchcord broken or bending, especially for fiber identification in ribbon or bunched optic fiber pigtails installation, in which identifying fiber from end to end may be troublesome or time-consuming