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Home > OTDR > FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg
FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg
FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg
FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg
FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg
FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg
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FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg
FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg
FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg
FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg
FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg

FTTH NK4000D 100km Handheld Multifunction Mini OTDR 1310/1550nm Fiber Optic Tester G.652 SM FC/UPC Connector 173x109x45mm 0.5kg

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Product Description

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Technical Specifications
Model NK4000S NK4000D NK4000F1 (live test) NK4000F2 (live test)
Type G.652 SM
Wavelength 1310nm±20nm 1310/1550±20nm 1310nm±20nm 1550nm±20nm
Dynamic Range 26dB 26dB/24dB 26dB 24dB
Event Blind Zone 2.5m
ATT Blind Zone 8m
Test Range 500m/1km/2km/4km/8km/16km/32km/64km/100km
Pulse Width 3ns/5ns/10ns/20ns/30ns/50ns/80ns/160ns/320ns/500ns/800ns/1us/2us/3us/5us/8us/10us/20us
Ranging Accuracy ±(1m + Sample interval + 0.005% * Test distance)
Linearity ±0.05dB/dB
Sample Points 16k ~ 128k
Sample Resolution 0.05m ~ 8m
Loss Resolution 0.001dB
Loss Threshold 0.20dB
Range Resolution 0.001m
Refractive Index 1.00000 ~ 2.00000
Reflection Accuracy ±3dB
File Format SOR Standard File Format
Loss Analysis 4-point method / 5-point method
Laser Safety Level Class II
Connector FC/UPC (Interchangeable SC, ST)
Refresh Rate 3Hz (Typ)
Multitasking Support
Product Overview
OTDR Application View
Our Standards & Capabilities
✓How is the product quality guaranteed?
A pre-production sample is always evaluated before mass production, followed by a strict final inspection prior to shipment.
✓What hardware solutions are available?
We offer a wide selection of FTTH ONU, SFP Modules, Fiber Media Converters, PoE Switches, and Routers designed for various networking requirements.
✓What terms of delivery and payment options are supported?
Accepted Delivery Terms: FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery, DAF, DES.
Accepted Payment Currencies: USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF.
Accepted Payment Types: T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, Escrow.
Frequently Asked Questions
?What is the main function of the NK4000 OTDR series?
The NK4000 series is an Optical Time Domain Reflectometer used to measure optical fiber length, transmission attenuation, connector loss, and to accurately locate faults and breaks along the fiber optic cable.
?What is the difference between standard models and live test models?
Standard models (NK4000S/NK4000D) are designed for dark fiber testing at 1310nm/1550nm. Live test models (NK4000F1/NK4000F2) feature active signal filtering to perform tests on active optical networks without interrupting service or damaging optical transceivers.
?How does the 2.5m event blind zone benefit my testing?
A short event blind zone of 2.5 meters allows the device to distinguish between closely spaced connections or splice points and accurately identify faults near the beginning of the fiber patch cable.
?Are the connectors interchangeable?
Yes, the device comes standard with a FC/UPC connector, and includes easily interchangeable interfaces to support SC and ST connector configurations.
?What data formats are supported for analysis report output?
The device supports the SOR Standard File Format, allowing you to easily view, save, and analyze traces using standard post-processing software on a computer.
?Is multitasking supported during testing?
Yes, the platform supports multitasking, allowing you to prepare configurations, manage files, or configure settings while testing is running in the background.

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