6428A Series Multi-function OTDR

The 6428A Series Multi-function OTDR is designed for professional fiber construction, maintenance, and backbone network testing. With a minimum event blind zone of 0.8m and dynamic range up to 46dB, it ensures accurate short-distance and long-haul measurements. Supporting PON online testing, multi-core management, and FAST automatic test mode, this rugged handheld OTDR offers reliable, high-efficiency performance for central office and trunk network applications.

Product Features

• Minimum event blind zone as low as 0.8m
• Maximum dynamic range up to 46dB
• PON network online testing function
• High-precision short-distance testing capability
• Supports ultra-long trunk testing up to 200km
• Multi-core test management function
• FAST automatic testing mode

Specifications

Models & OTDR Performance

6428A-3107

• Wavelength (nm): 1310 / 1550 / 1625 (G.654.E optional)

• Dynamic Range (dB): 46 / 44 / 43

• Event / ATT Blind Zone (m): 0.8 / 3.0

6428A-2101

• Wavelength (nm): 1310 / 1550

• Dynamic Range (dB): 40 / 38

• Event / ATT Blind Zone (m): 1.2 / 4.5

6428A-2109

• Wavelength (nm): 1310 / 1550

• Dynamic Range (dB): 46 / 46

• Event / ATT Blind Zone (m): 0.8 / 3.0

6428A-3101

• Wavelength (nm): 1310 / 1490 / 1550

• Dynamic Range (dB): 45 / 43 / 38

• Event / ATT Blind Zone (m): 1.2 / 4.0

6428A-3106

• Wavelength (nm): 1310 / 1550 / 1625 (G.654.E optional)

• Dynamic Range (dB): 48 / 46 / 43

• Event / ATT Blind Zone (m): 0.8 / 3.5

6428A-1101

• Wavelength (nm): 1310 / 1550

• Dynamic Range (dB): 45 / 45

• Event / ATT Blind Zone (m): 0.8 / 3.5

6428A-L-2101

• Wavelength (nm): 1310 / 1550

• Dynamic Range (dB): 37 / 35

• Event / ATT Blind Zone (m): 1.2 / 4.5

6428A-L-2109

• Wavelength (nm): 1310 / 1550

• Dynamic Range (dB): 45 / 45

• Event / ATT Blind Zone (m): 0.8 / 3.5

Distance Range

• SM: 0.4, 0.8, 1.6, 3.2, 8, 16, 32, 64, 128, 256, 512 km

• MM (850nm): 0.4, 0.8, 1.6, 3.2, 6.4, 16, 32 km

Display

800 × 480, 7″ TFT Color LCD (Capacitive Touch Screen)

Battery

10.8V / 6400mAh, Standby time ≥ 8h

Connector

UPC or APC (FC, SC, LC, ST optional)

VFL (Dual-wavelength)

• Wavelength: 650nm ±20nm

• Output Power: ≥10mW

• Mode: CW / 1Hz / 2Hz

OPM (Dual-wavelength)

• Wavelength Range: 850–1650nm

• Power Range: -60 ~ +3dBm

• Uncertainty: ±5% (-25dBm, CW)

LS (SM)

• Output: Consistent with OTDR; ≥ -5dBm

• Mode: CW / 270Hz / 1kHz / 2kHz

Sampling & Performance

• Minimum Sampling Resolution: 0.025m

• Maximum Sampling Points: 256000

Physical Specifications

• Size / Weight: 252mm (L) × 180mm (W) × 55mm (D) / 1.8kg

• Additional Functions: WiFi support, End Face Detector (optional), G.654.E fiber testing

• Languages: English, Spanish, Polish, French, German, Russian, Italian