The OFI-400 Series Optical Fiber Identifier by AFL is an indispensable tool for professionals working in fiber optic installations and maintenance. This rugged and lightweight device is designed for ease of use, allowing you to identify and monitor optical fiber with minimal insertion loss. Equipped with advanced features such as a built-in power meter and a unique optical head that accommodates various fiber types, it enables users to detect directional traffic and tones at multiple frequencies, enhancing operational efficiency. Notably, the identifier supports a wide wavelength range from 800 to 1700 nm and provides accurate power measurements while ensuring battery longevity for over 10,000 operations. Its thoughtful design includes a user-friendly interface with a multi-segment LCD and LED indicators, making it a reliable choice for accurate fiber identification in diverse environments. With a robust 5-year warranty and a recommended calibration interval of 3 years, the OFI-400 Series stands out as a trustworthy partner for today's fiber optic technicians.