NK3200 Fiber Optic Mini OTDR Tester – Event Map, Power Meter, VFL, 3.5″ Screen, 12h Battery, USB Charging

A precise fiber testing distance of 60km for long distances
Ultra-short 3m event dead zone for accurate fault and jumper detection
Integrated OTDR with event map, optical power meter, VFL & stable light source
Tests live fiber with signal strength of -5dBm and greater optical signal
3.5-inch color display for operation and real-time results
USB rechargeable and 12 hours of continuous measurement, even in the field
Rugged hand-held design with rubber protective housing
Cable sequence and length measurement, cable tracing & light illumination
Fast, one-key automated testing and analysis
Generated SOR files allow for professional documentation and upgrade capabilities

NK3200 Fiber Optic Mini OTDR Tester
Model	NK3200S1	NK3200S2	NK3200D	NK3200F1 (Live Test)	NK3200F2 (Live Test)
Fiber Type	G.652 single-mode
Wavelength	1310nm±20nm	1550nm±20nm	1310nm±20nm, 1550nm±20nm	1310nm±20nm	1550nm±20nm
Max Dynamic Range	24dB	22dB	24dB (1310nm), 22dB (1550nm)	24dB	22dB
Event Dead Zone	3m
Attenuation Dead Zone	8m
Test Range	500m, 1km, 2km, 4km, 8km, 16km, 32km, 64km (Max 60km)
Pulse Width	3ns, 5ns, 10ns, 20ns, 30ns, 50ns, 80ns, 160ns, 320ns, 500ns, 800ns, 1μs, 2μs, 3μs, 5μs, 8μs, 10μs
Ranging Accuracy	±(1m + sampling interval + 0.005% × test distance)
Linearity	±0.2dB/dB
Sampling Points	16k–128k
Sampling Resolution	0.05m–8m
Loss Resolution	0.001dB
Loss Threshold	0.20dB
Distance Resolution	0.001m
Refractive Index	1.00000–2.00000
Reflection Accuracy	±3dB
File Format	SOR standard
Loss Analysis	4-point/5-point method
Laser Safety	Class 2
Optical Connector	FC/UPC (interchangeable SC, ST)

Laser Source (Stable Light Source)
LD Type	FP-LD
Wavelength	Same as OTDR test wavelength
Output Power	≥-5dBm
Modulation Frequency	270Hz/330Hz/1kHz/2kHz
Stability	CW, ±0.5dB/15min
Connector	FC/UPC (interchangeable SC, ST)