Fiber Identifier

Rugged, hand-held and easy-to-use fiber optic test instrument designed to detect and measure the core power levels of optical signals on single-mode optical fiber without disrupting traffic on that fiber.


  • Support to detect optical signals without disrupting traffic
  • Based on non-destructive technology
  • Indicates the signal direction in fiber
  • Detect a variety of optical tones; 270Hz, 1KHz and 2KHz
  • Suitable for 0.25, 0.9, 2.0, 3.0mm fiber, with no need to replace the clamp block
  • Built in visual fault locator
  • 1mW or 10mW optional
  • Low-battery indication
  • Powered by 2 units of 1.5V AA alkaline batteries