TFN Optical Cable Tester

TFN Optical Cable Testers are professional-grade devices for fiber optic testing, combining OTDR, visual fault locator, and optical power meter functions for installation, maintenance, and troubleshooting.OverviewTFN offers a range of fiber optic testers designed for accuracy, reliability, and long-term industrial use, suitable for telecom, power grid, railway, and research applications . Their products include OTDR testers for precise fiber characterization and 3-in-1 portable testers that combine multiple functions in a compact device .Key Types and Features1. TFN 3-in-1 Portable Fiber Optic TesterFunctions: Optical power meter, visual fault locator (VFL), and LED work light .Wavelength Support: Covers 850nm to 1650nm, suitable for most fiber applications .Visual Fault Locator: Red laser light traces fibers and detects breaks or bends up to 10–30 km depending on the model .Battery and Portability: Built-in 1800mAh lithium battery provides ~6 hours runtime; compact and lightweight for field use .Display: Backlit LCD screen for easy reading in bright or dark environments .Applications: Ideal for field technicians, network installers, and IT professionals for testing fiber links, locating faults, and verifying connections .2. TFN OTDR TesterFunctions: Optical Time-Domain Reflectometer (OTDR), visual fault locator, optical power meter, loss test, event mapping, light source, remote testing, Ethernet testing, and endpoint inspection .Specifications: Wavelengths 1310/1490/1550 nm, dynamic range 35–37 dB, event dead zone 0.8 m, attenuation dead zone 6 m, test range 5–140 km, accuracy ±0.05 dB .Display and Interface: 8-inch high-resolution capacitive touchscreen with dual touch and button operation; manual curve scaling and flexible switching between test modes .Applications: Suitable for high-precision fiber testing in communication networks, production facilities, power, railway, and high-speed networks .AdvantagesAll-in-One Solutions: Reduces the need for multiple devices, saving time and space in the field .Durability: Designed for industrial use with robust build quality and long battery life .Global Support: TFN provides manuals, operation videos, and access to experienced engineers, with regional warehouses for fast shipping .Warranty Options: Flexible 1–3 year warranty and backup units available for professional users .Practical UseTFN Optical Cable Testers are widely used for:Fiber optic installation and maintenanceTroubleshooting breaks, bends, and signal lossVerifying network performance and signal strengthHigh-precision testing in industrial and research environments These testers are suitable for both indoor and outdoor environments, offering portability, long-range fault detection, and multi-wavelength support, making them a reliable choice for professional fiber optic work .