A compact portable light source and optical power meter are crucial tools to test and verify that insertion losses are within specifications in fiber links deployed by cable TV, enterprise, service provider, carrier, Ethernet and FTTH networks.

Designed for installation, commissioning and maintenance by field personnel, Yokogawa's testers offers a highly reliable, durable, and simple to use interface. Experienced users will be able to quickly debug complex issues while novices can be guided through operations or run pre-configured tests with the press of a button.