Professional Network Cable Tester with Optical Power Meter and VFL

Quickly locate faults, measure cable length, and verify PoE connections with this advanced digital network tester. Designed for both professionals and enthusiasts, it combines multiple testing tools in one easy-to-use device—saving time while ensuring reliable, accurate results for any network setup.

Key Features

• Comprehensive Cable Testing: Detects open, short, cross, and split pair issues for RJ45 cables, ensuring your network runs smoothly.

• Dual Scan Modes: Choose between Normal or Anti-Jamming Mode to locate cables even in noisy environments.

• Port Blink Function: Instantly identify network ports by flashing the corresponding hub or switch light.

• Accurate Length Measurement: Measures CAT5 and CAT6 cable lengths from 2.5m up to 200m for quick fault location.

• PoE Detection: Displays voltage, polarity, power mode, and device type for both af and at PoE standards.

• Optical Power Meter: Supports multiple wavelengths (850–1625nm) and measures power in dBm, dB, mW, µW, or nW for fibre network maintenance.

• Visual Fault Locator (VFL): Red light pen with fast, slow, or constant modes makes fibre break detection simple.

• NCV and Lighting Functions: Includes non-contact voltage detection and built-in work light for safe, convenient testing in dark areas.

• Rechargeable and Portable: Powered by a long-lasting 3.7V 1500mAh lithium battery, ideal for field and office use.

• User-Friendly Settings: Adjustable backlight, language, auto-off timer, and headphone mode for quiet environments.

Specifications

• Model: NF-8508

• Material: ABS

• Size: 198 × 50 × 28mm (main unit), 148 × 70 × 32mm (receiver)

• Cable Type: CAT5 / CAT6

• Voltage Resistance: 60V

• Power Supply: 3.7V 1500mAh lithium battery

• Functions: Cable test, PoE detection, OPM, VFL, NCV, port blink, length measure, lighting

Package Contents

• 1 × Network Cable Tester (Main Unit)

• 1 × Receiver Probe

• 1 × Optical Power Meter with Red Light Pen

• 1 × Rechargeable Battery (Built-in)

• 1 × Charging Cable

• 1 × Headphone

• 1 × User Manual

What Makes This a Smart Buy:
This all-in-one tester replaces multiple tools, giving you precise cable diagnostics, PoE verification, and fibre analysis in seconds. Its portable, rechargeable design makes it perfect for both IT professionals and home users who want dependable, efficient network troubleshooting without the guesswork.