The Fiber Fault Checker optical cable tester is a device that can be used to check single and multi-module optical fibers very effectively. Connected to the fiber optic cable via a fiber optic connector. The red laser can be used as a reference point and to locate the point where the fiber optic cable has failed, which the OTDR cannot find and the area of ​​high bending loss. Advantages of fiber optic cable tester Perfect for passive fiber optic network components patchcord, pigtail, fiber optic core box or bare fiber optic cable. These products are widely used in optical communication, optical transmission, optical fiber, optical fiber detection and other fields of scientific research, production and construction. Checker can test not only single-mode fiber, but also multi-mode fiber. Features High laser power Small size, weight and high reliability Battery powered Supports Single Mode and Multi Mode high performance fibers