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OLS4 Optical Light Source

OLS Optical Light Source

The Noyes OLS4 Optical Light source is designed to perform link loss measurements, certify SM and MM links to industry standards and provide continuity checks and fibre identification for maintenance restoration.

The Noyes OLS4 Optical Light Source is supplied together with the Noyes OPM5 Optical Power Meter.


  • Rugged & dependable
  • Simple user interface minimises training requirements
  • Stabilised outputs for accurate loss measurements
  • Wave ID supports testing up to three wavelengths simultaneously
  • Field swappable output adapters provide flexibility
  • Splash resistant controls
  • Withstands one-meter drop test
  • Controls designed for easy operation with gloves
  • Efficient design provides long test time from globally available AA batteries
  • External power adapter available for extended testing or lab applications