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.
