Compatible with 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.

Adapters are interchangeable and the lamp is replaceable. This fiber optic continuity tester is designed for field use and provides a simple inexpensive check of fiber continuity.

Operation is simple. Just select the appropriate adapter and screw it into the head of the tester. Turn the tester on by rotating the adapter in a counter-clockwise direction 90 degrees. Gently insert the ferrule of the connector into the adapter. Green light visible at the far end of the fiber verifies continuity.

Testing distance may vary depending upon fiber characteristics.