OPM/ VFL

Optical multimeters, combined devices that include OPM + VFL + additional functions (such as frequency identification, memory, LED flashlight, etc.), optical power measurement, cable loss, distance to fault, Visual Fault Locator (VFL), recognizes modulation frequency, supports SC/FC/ST interface.
Universal, compact devices for basic maintenance - combines the basic functions of OPM and VFL with additional conveniences.

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