Red light pen is also called light pen, pen type red light source, visible light detection pen, fiber fault detector, fiber fault locator, etc.
Most of them are used to detect fiber breakpoints, FC, SC, ST common interfaces.
Features Fault location such as fiber breakage and bending; fault detection in OTDR blind zone; end-to-end fiber identification; mechanical connection point optimization.
Application range Telecom, CATV engineering and maintenance; integrated wiring construction and maintenance; optical device production and research; other fiber engineering.