The PT-OTDR-100 mini OTDR tester provides a simple to setup and easy-to-use solution for OTDR testing. Includes a 5.5" OLED touch screen for easy viewing of cable tests and can save and export your OTDR tests. This unit will perform OTDR tests, OPM, VFL and laser source functionality for fiber optic cable, and will also perform continuity testing and TDR for Category cable.