Multicom – MUL-OTDR-500 – Mini Optical Time Domain Reflectometer, VFL, OPM, OLS & Network Cable Tester

  • Full-feature OTDR
  • Multiple functions all in one instrument, including:
    • OPM, VFL, OLS, RJ45 testing, LED flashlight
  • 1 Year Warranty
  • Dynamic Range: 26/24dB (1310/1550nm)
  • Wavelengths: 1310/1550nm
  • Integrated design with long battery life
  • Outdoor enhanced, smart and rugged
  • 3.5” color LCD screen
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The MUL-OTDR-500 is a handheld Optical Time Domain Reflectometer (OTDR) with an ergonomic design that uses the latest technology in the optic fiber field. The Multicom OTDR provides outstanding functionality and durability with a 1 year warranty, high precision, high sensitivity, easy
operation and very lightweight.

The MUL-OTDR-500 includes multiple functions all in one instrument making it the ultimate tool for fiber network construction and maintenance. The Multicom OTDR is perfect for technicians working with FTTX testing in PON networks, CATV and access network testing, and fiber system troubleshooting. The OTDR function supports real, average, and auto mode test with 1310 & 1550nm wavelengths while allowing the user to save the results in an SOR file format. There is also an event map function to show the length and information for each link in the system.

MUL-OTDR-500 Comes Equipped with:

  • Optical Time Domain Reflectometer (OTDR): Full Feature with a Dynamic Range of: 26/24dB (1310/1550nm)
  • Optical Power Meter (OPM): Dynamic Range: -50dBm to +26dBm, Wavelengths: 850, 980, 1300, 1310, 1490, 1550 & 1625nm wavelengths
  • Visual Fault Locator (VFL): 10mW output power to help the user visually find fiber faults like breaks & bad splices
  • Optical Light Source (OLS): 1310 & 1550nm wavelengths with CW, 270 & 330 Hz, 1 & 2 kHz modulation frequencies
  • RJ-45 cable line sequence measurement, line length, and wire/cable tracing/tracking MUL-OTDR-500-WT Receiver
  • LED Flashlight to help technicians in locations with low lighting conditions

The MUL-OTDR-500 Kit Includes:

  • MUL-OTDR-500
  • MUL-OTDR-500-WT – Wire Tracker
  • SC Adapter (pre-installed on OTDR)
  • ST Adapter
  • Protective case
  • USB charging cable
  • USB flash drive
  • Cleaning alcohol wipes
  • AC/DC USB charging adapter
  • 2x AAA batteries
  • Calibration Certificate


Part Number MUL-OTDR-500
Calibrated Wavelengths 1310nm / 1550nm ±20nm
Dynamic Range 26dB / 24dB
Event Dead Zone 2.5m (8ft)
Attenuation Dead Zone 8m (26ft)
Distance Resolution 0.01m
Sampling Points (max) 16k ~ 128k
Testing Distance 500m ~ 128km (0.3 ~ 80miles)
Pulse Width 3ns ~ 10us
Distance Accuracy ± 0.2dB/dB
Optical Light Source (OLS) 1310nm, 1550nm
Optical Power Meter (OPM) 850, 980, 1300, 1310, 1490, 1550, 1625, 1650nm
Dynamic Range: -50 – +26dBm
Visual Fault Locator (VFL) 650 ±20nm
RJ45 Cable Tester 300m – Includes MUL-OTDR-500-WT – Wire Tracker
Display 3.5″ Color LED
Battery Life Standby >20h, Measuring Time >12h
Dimensions / Weight 173 x 82 x 37mm (6.81’’x 3.23’’ x 1.46’’ / ≤0.78lb (≤350g)
Data Interface / Storage Micro USB / TF Card
Warranty 1 Year


  • FTTX test with PON networks
  • CATV network testing
  • Access network testing
  • Live fiber troubleshooting

Additional information


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