- Fiber optic light source tester. It generates stable and consistent light signals for testing purposes, ensuring accurate measurements. Tier-1 certification kit with power meter and light source, compatible with multiple duplex and multi-fiber connectors. 5mm universal fiber connector, suitable for various optictal fiber types. Jun 11, 2024 ยท This fiber optic test pen can provide stable output power, which is efficient and energy-saving. The single output port provides stable laser power at dual wavelengths (1310nm/1550nm). This handheld adjustable light source offers quick and accurate testing and provides 1-4 output wavelength options for single and multi-mode fiber. All OWL optical power meters and light sources are NIST traceable. The Fiber Optical Light Source is an indispensable tool for testing and verifying fiber optic cables. To calculate the Amazon. No setup or interpretation is required — just place it in front of the fiber end face or port, and a light and tone indicate an active fiber. vv ps i19 de uem9t4 ulcpfs dhw 7pj mkadggr reog