Weight: 1.0 lbs.




Hobbes FC-2005A Fiber Checker Pro Pen Style Lightweight Visual Fault Locator Including P/N FA-002 2.5mm to 1.25mm Adapter for testing 1.25mm Fiber Interfaced Cables

The FC-2005A Fiber Checker Pro is used for checking the defects of a fiber cable. It sends a visible 650nm wavelength red laser light through a fiber optic cable and the breaks or faults in the fiber will refract the light, creating a bright glow around the faulty area.

The universal connector can be used for the most common fiber interfaces such as ST/SC/FC/FA. It is suitable for testing both singlemode and multimode cables. Includes P/N FA-002 2.5mm to 1.25mm adapter for testing 1.25mm fiber interfaced cables. The visibility of Fiber Checker Pro is up to 5 kilometers.

There is also a specially designed power circuit included that provides steady power which avoids unstable laser output when the battery is low. The output signal can be switched between CW or Pulse mode to get different visual effects. There is a dust proof cover which will prevent dust from getting into the inside of the interface. The cover also helps avoid incidental exposure of the laser to your eye.


  • Wavelength: 650nm.
  • Range: visibility up to 5km.
  • Includes P/N FA-002 2.5mm to 1.25mm Adapter
  • Easy to check fiber faults with visual red laser light.
  • Universal connector supplied for testing 2.5mm connectors such as ST, SC, FC.
  • Highly effective power circuits allow for stable laser power.
  • Operates in both CW (continuous wave) & PM (pulse mode).
  • Dust proof design keeps fiber connectors clean.
  • Two AAA size alkaline batteries provide 15 hours of stable continuous operation.
  • LED indicator for power, battery low, and CW/pulse indicators.


Laser Class Class 2
Wavelength 650nm+10nm@25C
Spectral Width <10nm
Output Power > 0.6mW@25C into 9um fiber
Mode CW / Pulse
Power Source AAA Battery x 2 (1.5V)
Indicators Power / Battery Low
Output Power Stability +/- 0.2mW
Range Visible to 5 Km
Operation Temperature 0C to 50C
Storage Temperature 0C to 70C


Ordering Information:

Part No. Description
FC-2005 Fiber Checker Pro (VFL) (RoHs Compliant)
FC-2005A Fiber Checker Pro (VFL) with 2.5mm to 1.25mm Adapter (RoHs Compliant)
FC-2009 Fiber Checker Pro II (VFL)
FC-2009A Fiber Checker Pro II (VFL) with 2.5mm to 1.25mm Adapter
FC-2010 Optical Fiber Checker (VFL)
FC-2010A Optical Fiber Checker (VFL) with 2.5mm to 1.25mm Adapter
FA-002 Ferrule Adapter – 2.5 mm to 1.25mm for VFL Fiber Testers
Weight 1.0 lbs
Dimensions 8 × 3.2 × 1.5 in

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