Visual Fault Locator VFL Fiber Optic Cable Tester Meter 5mW 5km
Part Number: FLVFL-5MW
Category: Fiber optic Tools
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Overview
Features
Key Benefits
Applications
Technical Specs
More Info
The Visual Fault Locator (VFL) Fiber Optic Cable Tester 5mW 5km is a portable fiber optic testing tool designed to quickly identify fiber breaks, bends, damaged connectors, and continuity issues. Using a visible 650nm red laser, it simplifies fiber tracing and fault detection in FTTH, telecommunications, data centers, and fiber optic maintenance applications. Its compact pen-style design makes it an essential tool for field technicians.
- 5mW visible red laser output.
- 650nm laser wavelength.
- Detects fiber breaks, bends, and connector faults.
- Typical testing distance up to 5 km.
- Continuous (CW) and flashing output modes.
- Universal 2.5mm adapter compatible with SC, FC, and ST connectors.
- Optional 1.25mm adapter for LC connectors.
- Compact pen-style design for field use.
- Simple one-button operation.
- Battery-powered for portable operation.
- Quickly locates fiber breaks and macrobends.
- Simplifies fiber identification during installation.
- Reduces troubleshooting and maintenance time.
- Suitable for both single-mode and multimode fibers.
- Portable and easy to operate in the field.
- Ideal companion for OTDR and optical power meter testing.
- FTTH Installation.
- Fiber Optic Maintenance.
- Telecommunication Networks.
- Fiber Cable Continuity Testing.
- Optical Distribution Frames (ODF).
- Data Centers.
- LAN & Enterprise Networks.
- Fiber Identification and Troubleshooting.
| Specification | Details |
|---|---|
| Product Type | Visual Fault Locator (VFL) |
| Laser Wavelength | 650 ±10 nm |
| Output Power | 5 mW |
| Detection Range | Up to 5 km (Typical) |
| Laser Class | Class 3R |
| Operation Modes | Continuous (CW) / Flashing (2–3 Hz) |
| Applicable Fiber | Single Mode & Multi Mode |
| Connector Interface | Universal 2.5 mm (SC, FC, ST) |
| LC Compatibility | Requires Optional 1.25 mm Adapter |
| Power Supply | 2 × AAA Batteries |
| Operating Temperature | -10°C to +45°C |
| Storage Temperature | -40°C to +70°C |
FAQ
What is a Visual Fault Locator used for?
A VFL is used to identify fiber breaks, excessive bends (macrobends), damaged connectors, and to verify fiber continuity using a visible red laser.
Can this VFL test both single-mode and multimode fiber?
Yes. The 5mW VFL is suitable for troubleshooting both single-mode and multimode fiber optic cables.
Which connectors are supported?
The standard universal 2.5mm interface supports SC, FC, and ST connectors. LC connectors require an optional 1.25mm adapter.
Is this tool intended for optical loss measurements?
No. A Visual Fault Locator is designed for locating faults and identifying fibers. Accurate optical loss measurements require an Optical Power Meter and a calibrated Light Source.
