OTDR 32/30dB Fiber Tester 1310/1550nm VFL OPM Dual Wavelength(NK5520) High-Precision Fiber Testing for Field Engineers The OTDR Optical Time Domain Reflectometer is a new-generation all-in-one fiber testing solution designed for fiber optic line construction, maintenance, and troubleshooting.It integrates OTDR, Event Map, Optical Power Meter (OPM), Visual Fault Locator (VFL), and RJ45 Cable Test functions — making it the ideal tool for fiber-to-the-home (FTTH), metro, and backbone network projects. Key Features Dual Operation Mode – 5.6-inch color touch screen button control, simple and intuitive interface. Dual Wavelengths (1310/1550nm) – Accurate measurement for single-mode fibers. High Dynamic Range (32/30dB) – Long-distance fiber testing up to 260km. Ultra-short Event Blind Zone ≤1.5m – Perfect for short fiber link detection. Integrated Multi-function Tools – OTDR, Power Meter, Light Source, VFL, and RJ45 Line Tracker. Strong & Durable Design – Compact body, anti-slip housing, and field-ready durability. Smart Analysis Software – Automatic test result analysis, one-click report generation, and SOR format export. Long Battery Life – Up to 12 hours of continuous measurement and 20 hours of standby time. Mass Storage Support – Internal TF card storage for thousands of test files. Technical Highlights Parameter Specification Wavelength 1310nm / 1550nm ±20nm Dynamic Range 32/30dB Event Blind Zone ≤1.5m ATT Blind Zone ≤8m Test Range 0.1–260km Pulse Width 5ns–20µs Sampling Points ≥160k Accuracy ±(0.75m sampling interval 0.0025% test distance) File Format SOR Standard Interface FC/UPC (Interchangeable SC/ST) Battery 3.7V 4000mAh Li-ion, 20h standby Display 5.6-inch Color Capacitive Touch Screen Working Temp. -10°C ~ 50°C Applications FTTH (Fiber to the Home) installation and verification Optical cable fault location and distance measurement Metro and backbone network construction Fiber optic line maintenance and emergency repair Factory testing and R&D applications Why Choose This OTDR With powerful measurement accuracy, automatic diagnostic functions, and intuitive touch control, this OTDR simplifies complex fiber testing tasks into one-click operations. Whether you’re a network installer or maintenance engineer, it ensures fast, precise, and reliable fiber network verification every time. https://www.youtube.com/@e-Link-n6r/videos
