FLS-100 Stabilized Laser Light Source & FPM-300 Optical Power Meter The FLS-100 series light source is a simple but versatile. FLS-100 areprefect for use in for fiber testing: splicing, connector loss, cableacceptance, fiber attenuation, and other LAN, FDDI, and ISDN network. The straight forwards control panel is easy to use. Coupler with FPM-300 power meters, it is ideal for fiber end to end ...