Visual Fault Locator TW3105P

Fiber Testing Instrument

Visual Fault Locator TW3105

The Perfect Handhold Tester Series

Pen Type is specially designed for field personnel who need an efficient and economical tool for fiber tracing, fiber routing and continuity checking in optical network. It includes:




  • Finding the breakpoint, poor connections, bending or cracking in fiber optic cables.
  • Finding the faults of OTDR dead zone
  • End-to-end visual fiber identification
  • 2.5mm universal connector, for 1.25mm connectors, FC (Male)-LC (Female) adapter can be provided on requests.
  • Operates either in CW or Pulsed
  • Constant output power
  • Lower Battery warning
  • Long battery life (up to 60 hours)
  • Crash-proof and dust-proof design for laser head
  • Laser case ground design prevents ESD damage
  • Burning testing to ensure the reliability.
  • Portable and rugged, easy to use
  • Guarantee to CE standards include EMC, EMI, ROHS


Type TW3105 Pen-type Visual Fault Finder
Central Wavelength 650nm±10nm
Emitter Type FP-LD
Output Power 1mw, 3mw, 10mw can be optional on customer request
Optical Connector 2.5mm universal connector; For 1.25mm connectors, FC (Male)-LC (Female) adapter can be provided on customer requests
Operating Model Both CW and Pulse available
Pulse Frequency 2~3Hz
Power Supply 2 AA alkaline batteries
Battery Operating Time 650nm@1mw =65hour
650nm@3mw =50hour
Test with Panasonic LR6 AA ALKALINE battery
Operating Temperature -10~+45 (℃)
Storage Temperature -40~+70 (℃)
Dimension (mm) ?15X180
  120g(Without battery)
Standard Packages
TW3105 Pen-type VFL Main unit, 2pcs Alkaline Battery, Instruction Manual, Cotton Swabs and Nylon Soft Carrying Case.

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