The OLS4 is a light source that combines LED and LD with dual-port output. The LED output includes wavelengths of 850nm and 1300nm, while the LD output port includes 1310nm and 1550nm. Therefore, the OLS4 light source can be used with any optical power meter to test single-mode or multimode fiber lines. Both output ports are equipped with user-replaceable adapters; in addition to being replaceable, they are also easy to clean.

OLS 4 Lois LaserLight Source Features

· Rugged and durable, pocket-sized for easy portability

· LED and LD (laser) light sources

· Includes 50μm and 62.5μm mandrels

· Low battery indicator

· Four wavelength outputs: 850nm, 1300nm, 1310nm, and 1550nm, with two output ports

· LD (laser) output port features 270Hz, 330Hz, 1000Hz, and 2000Hz identification tones