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650nm Visual Fault Locator
Visual Fault Locator series Visual Fault Locator uses the DFB-LD as the emitting component.

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Visual Fault Locator series Visual Fault Locator uses the DFB-LD as the emitting component. Driven by constant current source, the indicator can emit stable red laser.The product can be used to inspect fiber failure when they connect with optical interface and be inserted into single mode or multi mode optical fiber.It is indispensable tool in fiber project constructing, fiber net-work maintaining, optical component manufacture and research.   


  • Maintenance in telecom , CATV
  • Test Lab of optical fibers
  • fiber routing and continuity checking in optical networks.
  • Other fiber optic measurements

     Key Features – Pen-Type Visual Fault Locator

  • 2.5mm universal connector,
  • Operates either in CW or Pulsed mode with constant output power
  • Long battery life (up to 60 hours)
  • drop-resistand and dust-proof design of laser head
  • Laser case ground design prevents ESD damage
  • Portable and rugged
  • Easy to use
  • Meets CE standards including EMC, EMI, ROHS

Technical Specifications –  -Visual Fault Locator



Central wavelength


Emitter type


Output power

Optional choice for 5mw, 10mw,20mw,30mw,40mw

Optical connector

2.5mm universal connector, for 1.25mm connectors, FC (Male)-LC. (Female) convertor can be provided on request

Operating model

Both CW and Pulse available

Pulse frequency

3Hz to 9Hz

Power supply

2AA alkaline batteries

Operating temperature

-20°C to 60°C

Storage temperature

-40°C to 85°C


 -FL-001 Φ23 X 183


172g (without battery)


Ordering information

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