LOT-5200 Series OTDR

LinkU LOT5100 OTDR is designed to help technicians make test quickly and accurately with simple steps.


With the fast growing fiber optic network,the demand for reliable and ease-of-use field test instruments keeps increasing. LinkU LOT5200 OTDR is designed to help technicians make test quickly and accurately with simple steps. It combines various function modules in one unit, including OTDR, Optical Power Meter, stable Laser Source, Loss Tester, Visual Fault Locator and fiber microscope (optional), all the modules are very useful in optical fiber evaluation.


Multi-Function OTDR Testing                                                                                                                  

❖ Auto/Manual testing and analysis

❖ Icon-display Fiber Mapper for easy interpretation of network events

❖ Multiple analysis functions on testing results:

Segment/Event point return loss,Multi curves comparison

❖ In-Line Measurement of PON systems through splitters

❖ Fault locating, fiber length/loss/return loss measurement

❖ Connector/ splice/ splitter/ macro bend/ fiber-end detection

❖ GR-196-CORE (.SOR) file format

❖ Flexible file Naming

❖ Screenshot and auto-saved

❖ Built-in Power Meter, Laser Source and VFL modules

High Performance Platform                                                                                                                           

❖ 7-inch TFT capacitive touch screen

❖ Lightweight, 1.1kg

❖ Excellent Man-Machine interface for easy operation

❖ Short dead zone: EDZ 1m, ADZ 5m

❖ 16G internal storage capacity

❖ Full range of models with multiple wavelengths selectable

850/1300/1310/1550/1490/1625/1650nm (customized)

❖ U-disk, SD card, USB cable export data

❖ Damp-dust-shock proof

❖ Over 8 hours continuous operation, 20 hours standby


PC Software

  • Multi traces analysis
  • Single/multi traces printing in one report
  • Batch editing and printing
  • Bidirectional traces analysis
  • CSV report formats

Stabilized Laser Source Module

  • Wavelength same as the OTDR
  • High precision and easy operation

Optical PowerMeter Module

  • Multi-wavelength Calibration
  • High Precision and easy Operation


Display 7-inch TFT Capacitive Touch Screen, 800*480 pixel
Connectivity USB(Type A×1,Type B×1)
Storage Capacity 16 GB
Power Supply Rechargeable Li-Ion Battery: 7.4V/2500mAh * 2pcs /AC Adapter
Battery Life Over 8 hours continuous operation, 20 hours standby
Operation Temp. -10°C – +50°C
Storage Temp. -40°C – +80°C
Humidity 0 – 95% (non-Condensing)
Weight 1.2kg(including battery)
Dimensions (L×W×H) 215×155×68mm
OTDR Mduloe
Wavelength (±20nm) Dynamic Range (1) (Db)  EDZ (m) (2) ADZ(m) (2)
LOT5200-SD35 1310/1550 35/33 1 5
LOT5200-SD40 1310/1550 40/38 1 5
LOT5200-SD42 1310/1550 42/40 1 5
LOT5200-SD45 1310/1550 45/43 1 5
LOT5200-SS32 1625 32 1 5
LOT5200-SS35 1625 35 1 5
LOT5200-SS38 1625 38 1 5
LOT5200-SS40 1625 40 1 5
LOT5200-SP35 1310/1490/1550 35/33/33 1 5
LOT5200-ST35 1310/1550/1625 35/33/32 1 5
LOT5200-ST40 1310/1550/1625 40/38/37 1 5
LOT5200-ST42 1310/1550/1625 42/40/38 1 5
LOT5200-MD26 850/1300 22/26 1.2 8
LOT5200-SM32 1310/1550/850/1300 32/30/22/26 1 (SM) /1.2 (MM) 5 (SM) / 8 (MM)
LOT5200-SM35 1310/1550/850/1300 35/33/22/26 1 (SM) /1.2 (MM) 5 (SM) / 8 (MM)
LOT5200-SM40 1310/1550/850/1300 40/38/22/26 1 (SM) /1.2 (MM) 5 (SM) / 8 (MM)
Pulse Width SM: 3ns, 5ns, 10ns, 20ns, 50ns, 100ns, 200ns, 500ns, 1μs, 2μs, 5μs, 10μs, 20μs
MM: 3ns, 5ns, 10ns, 20ns, 50ns, 100ns, 200ns, 500ns, 1μs, 2μs
Min. Sampling Resolution 0.05 m
Max. Sampling Point
Loss Resolution 0.001dB
Distance resolution 0.01 m
Distance Accuracy ± (1m+measuring distance×3×10-5+sampling resolution) (excluding IOR uncertainty)
Attenuation Accuracy ±0.05 dB/dB
Reflectance Accuracy Single mode: ±2dB, Multi-mode: ±4dB
Connector FC/UPC &. SC/UPC (Standard)

• Dynamic range is measured with maximum pulse width, averaging time is 3 minutes, SNR=1; The level difference between the RMS noise level and the level where near end back-scattering occurs.
• Event dead zone is measured with pulse width of 3ns; attenuation dead zone is measured with pulse width of 5ns.
• The wavelength of 1625nm in all models can be customized to 1650nm.

Standard Modules


Visual Fault Locator    
Wavelength 650nm
Output Power 10mw @CW
Frequency CW/2Hz


Stabilized Laser Source Module   
Wavelength 1310nm,1550nm
Output Power -5dBm±2dB @CW
Frequency CW/270Hz/1KHz/2KHz

Laser Source

Power Meter Module 
Calibrated Wavelength  850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, 1650nm
Measurement Range A: -70dBm – +10dBm (-60dBm – +6dBm @ 850nm) B: -50dBm – +23dBm (-40dBm – +20dBm @ 850nm)
Detector Type InGaAs
Display Resolution 0.01dB
Accuracy ± 5% ± 0.01nW (±0.5dB@850nm)

Power Meter

Loss Tester

Optional Modules


Optical Connector Inspector Module – LFM
Magnification 400x
Resolution Ratio 0.75 µm
Sensor 1/3 decimeter   1.3 million pixels
Weight(kg) Probe (0.14)
Dimensions(cm) Probe (22*3*3)
Work/Storage -10℃~+50℃ / -20℃~+70℃
USB Interface 1.0/1.1/2.0
Tips(Standard) FC/SC/ST/E2000 / LC/MU UPC connector

FC/SC/ST/E2000 / LC/MU UPC bulkhead

Tips(Optional) FC/SC/ST/E2000 / LC/MU APC connector

SC/FC/LC APC bulkhead

Standard Package:
Main Unit, Lithium Battery*2, 16G Storage Card, Manual, Software, Mini USB Cable, Power Adaptor, Carrying Bag, Calibration Report


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