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Model PD1
PS1
PS2
PT1
PT2
PT3
PT4 Wavelength 1310nm ±20nm / 1550nm ±20nm
1625nm ±20nm
1310nm / 1550nm / 1625nm (Filtered) Fiber Type G.652 Max Dynamic Range 37/35dB
38dB
40/38dB
42/40dB
45/43dB Event Blind Zone 1m Attenuation Blind Zone 6m PON Blind Zone ≤30m Test Range 500m / 1km / 2km / 4km / 8km / 16km / 32km / 64km / 128km / 256km Pulse Width 3ns / 5ns / 10ns / 20ns / 30ns / 50ns / 80ns / 160ns / 320ns / 500ns / 800ns / 1000ns / 2000ns Ranging Accuracy ±(0.75m + Sampling Interval + 0.005% × Test Distance) Loss Resolution 0.001dB Loss Accuracy ±0.05dB / dB Sampling Points 16k–256k Sample Resolution 0.05m–16m Reflection Accuracy ±3dB File Format SOR Standard File Format Measurement Mode 4-point method / 5-point method Laser Safety Level Class II Data Storage Internal ≤3000 curves; External storage 4G bit Connector FC/UPC (Interchangeable SC, ST) Data Interface USB, Mini-USB, 10M/100M Ethernet Port
Wavelength Range 800nm–1700nm Connector Universal FC/SC/ST Test Scope -50dBm to +26dBm Calibration Wavelength 850nm / 980nm / 1300nm / 1310nm / 1490nm / 1550nm / 1625nm / 1650nm
Laser Type FP-LD Wavelength Consistent with OTDR output wavelength Output Power ≥ -5dBm Stability CW, ±0.5dB / 15min (After 15 minutes preheating) Connector FC/UPC (Interchangeable SC, ST)
Wavelength 650nm ±20nm Output Power ≥10mW Mode CW / 1Hz / 2Hz Connector FC/UPC (Interchangeable SC, ST)
Display 5.6-inch Color LCD + Touch Screen Power Supply AC/DC Adapter: Input 100V–240V, 50/60Hz, 0.6A
Output: 12V–19V, 1.5A
Lithium Battery: 7.4V, 5200mAh Operating Temperature -10°C to +50°C Storage Temperature -40°C to +70°C Relative Humidity 0–95% Non-Condensing Weight ≤1.2kg Size 227mm × 160mm × 70mm Functions PON OTDR / OPM / VFL / LS / Event Map / End Face Detection / Optical Loss Test
The 6428A Series Multi-function OTDR delivers ultra-short 0.8m blind zone performance, up to 46dB dynamic range, and high-precision fiber diagnostics for advanced network testing.
The 6422 Series Multi-function OTDR delivers powerful 46dB dynamic range, ultra-short blind zone performance, and professional fiber diagnostics for access, metro, and backbone networks.
The 6420A Series Multi-Function OTDR offers high dynamic range fiber testing with automatic alarms, multi-mode support, and fast touchscreen operation for accurate field diagnostics.
Powerful and intelligent, the NK6800 Series OTDR delivers long-distance fiber testing, multi-wavelength analysis, and professional diagnostics with a large 7-inch color touch screen.
Compact and reliable, the NK3200 Series Mini Pro OTDR offers precise fiber testing, multi-function integration, rugged durability, and long battery performance for professional field applications.