Visual Fault Locator 50KM 50mW Fiber Optic Cable Tester VFL Red Laser Pen

The Visual Fault Locator 50KM 50mW Fiber Optic Cable Tester is a professional VFL tool designed to quickly detect breaks, bends, splices, and faults in fiber optic cables up to 50 kilometers. It emits a high-power 50mW red laser light, making visual fault identification fast and accurate.

Equipped with universal connectors for LC, FC, SC, and ST interfaces, this pen-style tester is portable and ideal for FTTH, CATV, telecom, and data network maintenance. Its durable aluminum alloy body ensures reliability, while the dual working modes (CW & Modulated) provide flexible testing options.

Technical Specifications

• Laser Output Power: 50mW

• Testing Range: Up to 50KM

• Wavelength: 650nm (Visible Red Laser)

• Fiber Type: Multi-mode / Single-mode

• Connector Compatibility: LC / FC / SC / ST

• Output Mode: CW (Continuous Wave) / Modulated

• Power Supply: 2 × AA Batteries

• Body Material: Aluminum Alloy

• Operating Temperature: −10°C to +60°C

• Storage Temperature: −25°C to +70°C

• Weight: Approx. 110g

• Dimensions: 175 × 25mm

Key Features

• High-power 50mW red laser light for accurate fault detection up to 50KM

• Supports LC, FC, SC, and ST fiber connectors

• Detects fiber breaks, bends, splices, and other defects easily

• Dual working modes: Continuous (CW) and Modulated

• Durable aluminum alloy body for long-lasting use

• Portable pen-style design for easy field testing

• Low power consumption with 2 × AA batteries

• Perfect for FTTH, CATV, telecom, and network maintenance

What’s in the Box

• 1 × Visual Fault Locator 50KM 50mW

• 1 × Universal Connector Adapter (LC/FC/SC/ST)

• 1 × Protective Carry Case

• 1 × User Manual

FAQs

Q1: What is a Visual Fault Locator (VFL)?
A Visual Fault Locator is a red laser testing tool used to detect fiber breaks, bends, or faulty splices in optic cables.

Q2: How far can this VFL test?
This model tests up to 50 kilometers, providing reliable fault detection over long distances.

Q3: Which connectors are supported?
Supports LC, FC, SC, and ST connectors for maximum compatibility.

Q4: Can it be used on both single-mode and multi-mode fibers?
✅ Yes, it supports both fiber types for versatile applications.

Q5: What power source does it use?
Operates on 2 × AA batteries for long-lasting field use.

Q6: Is it safe to look directly at the laser?
❌ No, never look directly at the 50mW red laser to prevent eye damage.

Q7: Where is it typically used?
Ideal for FTTH, CATV, telecom networks, and data center maintenance.