Clauss Fiber Continuity Tester
Compatible with both singlemode and multimode fiber, it can achieve a test distance of up to 2km in multimode fiber testing. This handy continuity tester tests almost all types of connectors including ST, FC, SC, LC, or MT-RJ connectors. It comes complete with one each 1.25mm Universal, 2.5mm Universal and MT-RJ style adapters, and three each LR44 or PX76A batteries, a key ring and instructions.