The AF-OS430 laser source is a cost-effective, rugged, handheld instrument designed for performing insertion loss measurements on single-mode fiber optic links. The AF-OS430 output is stabilized to ensure accurate test results per current TIA/EIA requirements.

This easy to operate unit features a two slide switch front panel. A 3 position slide switch, 1310nm - OFF - 1550nm and a 2 position slide switch CW - 2Khz. It also features a low battery indicator LED.

The AF-OS430 comes in three different version outputs which are factory fixed - ST/FC or SC's.


  • Single Mode
  • 1310nm & 1550nm Lasers
  • Low Battery Indicator
  • Side Adjustment Pots for both Lasers
  • CW and 2Khz Option
  • Compact and Rugged Case
  • Protective Rubber Boot