Cable Fault Locator TW3304N

Fiber Testing Instrument

Cable Fault Locator TW3304N

Cable Fault Locator TW3304N is the most portable test instrument in the industry. It adopts the OTDR technical principles and integrates the powerful analysis software, which enables the TW3304N fiber ranger detect fiber faults location more accurate and easy.


Main Features





  • Portable, rugged, lightweight; Easy to use.
  • More accurate testing results and better repeatability.
  • Up to 8 fiber faults can be detected in each measurement.
  • Automatic Pulse Width Control design to ensure a convenient operation.
  • Easy to identify the faults location.
  • Built-in visual fault locator (VFL), conveniently to find the faults in dead zone
  • Dust, water and shock proof, designed for field use
  • Long battery life, up to 5000 measurements operation.
  • Testing the distance of the fiber and identify the faults location in the fiber link.
  • Locates reflective and non-reflective breaks in the fiber network.
  • Inspection of fiber repair and maintenance

TW3304N Fiber Ranger is ideal to be used in FTTx network installation and maintenance.


Model TW3304N
Operating Wavelength 1550nm(1310nm Optional)
Fiber Type 9/125um SM Fiber
Optical Connector Type FC/PC
Detector Type InGaAs
Peak Power of laser =60mW
Max. Displaying Distance Reflection Event 60km (=1dB)
Non-reflection Event 2 20km (=2.5dB)
Measurement Unit m
Reflection Event Dead Zone 15m
Distance Accuracy(Reflection Event) ±(2m+2*10(-3)*Distance)
Wavelength of VFL Option 650nm
Output Power of VFL Option >=1mW
Power Supply Alkaline Battery (3pcs AA 4.5V Batteries)
Battery Operating Time =5000 measurements
Working Temperature -5~40℃
Storage Temperature -10~60℃
Humidity 0~85%(Non-condensation)
Dimensions 190*100*50mm
Weight(g) 450
Standard Package
TW3304N TW3304N Fiber Ranger, Protective Rubber Boot, 3pcs 1.5V Batteries, Instruction Manual, Cotton Tampon and Soft Carrying Case.

Back to Top