LF-069-Professional Telecom Grade OTDR Optical Time Domain Reflectometer for Long Haul Fiber Cable Testing

Product Overview

The NK5600 is a professional high-precision multi-functional optical time-domain reflectometer (OTDR), specially designed for fiber optic link testing, fault location, construction acceptance and daily maintenance in telecom trunk lines, metropolitan area networks, FTTH/FTTx and enterprise network scenarios. It adopts advanced APD active protection technology and high-isolation filtering technology, supporting live line testing, which can effectively protect internal precision components and adapt to complex on-site testing environments. Utilizing Rayleigh scattering and Fresnel reflection characteristics of fiber transmission, the device can accurately measure fiber length, transmission loss, splice loss and connector loss, as well as locate fiber breakpoints, poor fusion splicing and excessive bending precisely. The NK5600 supports 1310/1550nm dual-wavelength testing, with a maximum test range of 120KM and dynamic range of 28dB, enabling long-distance fiber testing and clear identification of small-loss events. Equipped with a 5.6-inch high-definition color touch screen, it features touch & key dual operation mode, gesture zoom and screen capture functions, with an intuitive operation interface that supports both automatic and expert OTDR modes to meet different user needs. Integrated practical functions including OTDR, visual fault locator (VFL), optical power meter, stable light source and event map, it realizes one-stop fiber testing solution. With built-in large-capacity memory, long-endurance rechargeable battery, sturdy and durable body, the NK5600 is easy to carry and operate, suitable for on-site operation in various complex environments, and is an essential professional tool for telecom operators, fiber optic installers and network maintenance teams.

Detailed Technical Specifications

Key Features & Advantages

• High Precision & Ultra-Short Blind Zone: 0.8m ultra-short event blind zone and 5m attenuation blind zone, easily testing 5-meter jumpers; high-precision ranging and loss measurement, accurately identifying small-loss events and adjacent fault points.

• Dual Wavelength & Long Test Range: Supports 1310/1550nm dual-wavelength testing, maximum test range up to 120KM, 28dB dynamic range, suitable for long-distance trunk lines, metropolitan area networks and FTTH/FTTx access networks testing.

• Live Line Test & APD Protection: Adopts advanced APD active protection and high-isolation filtering technology, supports live line testing with optical signals ≤-10dBm, effectively protecting internal precision components and adapting to complex on-site environments.

• Touch & Key Dual Operation: 5.6-inch high-definition color touch screen, matching physical key operation, gesture zoom and screen capture functions; one-key automatic test, intuitive interface, easy to operate for both novices and professionals.

• Multi-Functional Integration: Integrates OTDR, OPM, VFL, stable light source and event map functions, realizing one-stop fiber testing solution; with test result automatic diagnosis function, improving testing efficiency.

• Convenient Data Management: Built-in 16G large memory, supports 300,000 curve storage and TF card expansion; SOR standard file format, PDF report batch export and printing, file name supports Chinese & English, convenient for data analysis and sharing.

• Long Endurance & Multiple Charging Modes: Built-in 5000mAh large-capacity rechargeable battery, continuous working time ≥10 hours; supports AC adapter charging, USB charging and power bank charging, suitable for long-time outdoor testing.

• Durable & Wide Adaptability: High-strength engineering plastic body, 2m anti-drop performance, IP65 dustproof & waterproof; wide temperature adaptation (-10°C to +55°C), suitable for outdoor, computer room and other complex on-site environments.

Application Scenarios

The NK5600 OTDR is widely applied in various fields of fiber optic communication networks, including telecom long-distance trunk lines, metropolitan area networks, FTTH/FTTx access networks, enterprise networks, data centers and video surveillance systems. It is used to accurately measure fiber length, transmission loss, splice loss and connector loss, locate fiber breakpoints, poor fusion splicing, excessive bending and other fault points, and verify the quality of fiber links. With live line test function and high dynamic range, it is especially suitable for the construction, maintenance and emergency repair of urban trunk lines and backbone networks. Suitable for telecom operators, fiber optic installers, network maintenance teams and engineering technicians, it is an essential professional tool for ensuring the stability and reliability of fiber optic systems, and can be used in residential community FTTH installation, industrial park network construction, data center fiber maintenance, outdoor fiber emergency repair and fiber cable production testing.