Description: KC-505 Optical fiber identifier is an essential instrument for the installation and maintenance of optical fiber projects. It can easily detect any spot of SM fiber cables. Through inserting a 1310 or 1550 modulated signal into the fiber, it is used to indicate the direction of the transmitting signals, find and separate the specific fiber without interrupting the normal work during the installation, cabling and maintenance. Features: Able to identify 270Hz, 1KHz, 2KHz Modulation Signal Optical fiber jig head with mechanical damping design to ensure no harmful for optical fiber Able to test Ф0.25 bare fibers, Ф0.9 ribbon, Ф2.0/Ф3.0 pigtail Able to identify many transmitting signal Beep Prompt Function Easy to use, high reliability