Fiber Visual Fault Locator electro base FLT-130 30 mW, test range up to 30 km

Fiber Visual Fault Locator electro base FLT-130 is a handheld fiber-optic tester that produces a 30 mW visible red laser to assist in locating breaks, sharp bends and faulty splices in single-mode and multimode optical fibers. Designed for field use, it provides visual continuity checks, connector inspection and simple trace detection over a stated test range up to 30 km, enabling quick identification of problem points during installation, maintenance and troubleshooting tasks.

Advantages

The device combines a high-output red light source with compact, portable construction to deliver practical on-site fault identification. Its clear visible beam and stable output allow technicians to pinpoint fiber faults, verify end-to-end continuity and inspect connectors without complex setup. The tester's straightforward controls and battery-powered operation make it suitable for rapid deployment in cabling projects and service calls.

Suitable for

• Locating breaks, cracks and sharp bends in single-mode and multimode fibers
• Visual continuity checks during installation and repair
• Inspecting and verifying fiber connectors and patch cords
• Field service, site surveys and routine fiber line maintenance

Key specifications

• Light source: visible red laser
• Output power: 30 mW
• Stated test range: up to 30 km (depending on fiber type and conditions)
• Compatible fibers: single-mode and multimode
• Portability: handheld, battery-operated
• Primary functions: fault locating, continuity testing, connector inspection

How to use

Ensure the fiber end faces are clean before connecting the tester to the fiber under test. Turn on the unit and attach it to the fiber connector or directly to a prepared fiber end using the appropriate adapter. Observe the fiber along its length in a darkened or low-light environment to identify red light leakage indicating breaks, bends or poor splices. For continuity checks, verify that visible light is transmitted through the length of the fiber. After testing, switch off the device and remove it from the fiber, then store it in a protective case.

Usage recommendations

Use appropriate laser-safety precautions: avoid looking directly into the light source and do not point the beam at people. Clean fiber end faces before connection to avoid misleading results. For best visibility, perform inspections in reduced ambient light and use the correct connector adapters for reliable coupling. Consider combining visual fault locating with an optical power meter or OTDR for comprehensive diagnostics on long or complex links.