UNI-T UT691-01 Visual Fault Locator (VFL)

UNI-T UT691-01 Visual Fault Locator (VFL) in Sri Lanka

Compact Red-Light Fiber Defect and Break Detection Pen

The UNI-T UT691-01 Visual Fault Locator is a highly focused 650nm red-light tool designed for end-to-end optical fiber identification and physical fault location. Designed for field technicians requiring quick visual confirmation of cable integrity, it is the perfect portable solution for identifying micro-bends, breaks, and faulty connectors in Sri Lanka.

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Features a ≥1mW laser output capable of illuminating faults over 2-3km, dual operating modes (continuous or pulse), a rechargeable 1050mAh lithium battery with status indicators, an integrated LED flashlight, and rugged IP54-rated construction.

Key Features

Laser Output: ≥1mW visible red light (650±10nm) capable of penetrating 2~3km of optical fiber

Operating Modes: Two selectable laser modes: Continuous mode for steady light and Pulse mode for easier visual detection

Connectors: 2.5mm universal FC optical adapter compatible with standard fiber terminations

Power System: Built-in 3.7V 1050mAh rechargeable polymer lithium battery lasting over 12 hours

Durability: IP54 protection level, designed with non-slip materials and rated for 1-meter drops

Display/Build: 4 blue LED battery status indicators, dedicated LED flashlight for low-light workspaces

Applications

Visual detection of fiber optic cable breaks and severe bends

End-to-end fiber tracing and routing identification

Splicing verification and optical connector inspection

Package Includes

1 x UNI-T UT691-01 Visual Fault Locator

USB charging cable

User manual

Downloads

📄 Download UNI-T UT691-01 Data Sheet
📄 Download UNI-T UT691-01 User Manual