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GAOTek Visual Fault Locator with Long Range (Long Battery)
GAOTek Visual Fault Locator with Long Range (Long Battery)

GAOTek Visual Fault Locator with Long Range (Long Battery)

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GAOTek Visual Fault Locator with Long Range (Long Battery) functions as a fiber identifier and fault locator of single-mode or multi-mode fiber in a long range and has a long battery life. It is a helpful assistant to dead zone of OTDR, and it is also a basic maintenance tool for fiber network, LAN, ATM fiber system and telecom network system. It comes with a long battery with the effective laser drive circuit which ensures the stable power output allows the user to work for more than 10 hours continuously.

Key Features

  • Supports both CW and 2 Hz modulation work mode
  • Use of special laser end design to avoid damage when dropping on the floor
  • Long working hours: use of effective laser drive circuit ensures that 1 mW/650 nm locator can work for more than 10 hours continuously
  • Stable power output: use of special laser driver circuit ensures stable power output in the low battery
  • 2.5 mm universal adapter: uses 2.5 mm universal adapter, can match SC/LC adapters

Technical Specifications

Wavelength 650 nm ± 10 nm
Light Source FP-LD laser
Output Power 1 mw, 10 mw, 20 mw, 25 mW, 30 mW (optional)
Connector 2.5 mm universal adapter
Working Mode CW or 2 Hz modulation
Operating Temperature 32 °F~140 °F (0 °C~60 °C)
Storage Temperature -13 °F~158 °F (-25 °C~70 °C)
Power 2 pcs AA battery
Working hours ≥10 hours
Size 6.88 in × 1.02 in × 1.02 in (175 mm × 26 mm × 26 mm)
Weight 0.35 lbs (160 g)

Additional Information


This Visual Fault Locator with Long Range (Long Battery) is used in:

  • Finding fiber fracture and bending fault location
  • Test Lab of optical fibers
  • End to end fiber identification
  • Maintenance of telecom system
  • CATV system to trace fiber loss testing
  • Fiber routing and continuity checking in optical networks
  • Optical examination and fault locating for both single mode and multimode optical fibers.


Visual Fault Locator


  • Please properly install the battery or it will cause the device to not work and it may get damaged.
  • Switch in middle side for power off, switch up for CW output, switch down for glint output.


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