UNI-T UT693D Optical Multimeter with Power Meter & VFL
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Prices updated: 13 Oct 2026
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About this product
A fiber optic test instrument that combines an optical power meter with a visual fault locator (VFL). It is used to measure optical signal power and trace breaks or bends in fiber cables during installation and maintenance.
Specifications
- Functions
- Optical power meter, Visual fault locator (VFL)
- Application
- Fiber optic testing
Frequently asked questions
What is the VFL used for?
A visual fault locator emits visible red light into the fiber to reveal breaks, sharp bends or faulty connectors over shorter distances.
Is it safe to look into a fiber while the VFL is on?
No. The VFL emits visible laser light, so never look directly into a fiber or connector end while it is active.
