The Noyes OPM-4 Optical Power Meter is a hand-held optical power meter designed for measuring optical power in premise, Telco, or broadband networks and for performing insertion loss measurements on multimode or single-mode fiber optic links. Power meters with wave ID can detect two or more. LASER COMPONENTS Germany GmbH Tel +49 8142 2864 – 0 info@lasercomponents. The OPM4 features automatic wavelength. File Management system allows technicians to organize test results into multiple files and transfer stored results via USB to a PC for analyzing, generating reports, and printing. The supplied powerful PC Analysis and Reporting Tool (TRM® 2. Built to withstand tough environments, it offers high accuracy and long battery life, making it perfect for field use.