NK4000 Min OTDR Chinese

Description

NK4000 Mini OTDR – Key Features & Specs

General

• Form Factor: Compact handheld with a 4.3‑inch capacitive multi‑touch color screen

• Functions: Multi‑functional – includes Auto OTDR, Expert OTDR, Event Map, Optical Power Meter (OPM), Visual Fault Locator (VFL), Laser Source (LS), RJ45 cable tracker, cable length/sequencing, end-face inspection, optical loss test, flashlight, and file management—up to 12 integrated functions

Optical Testing Capabilities

• Wavelengths (SM): Typically 1310 nm and 1550 nm; some models add 1610 nm

• Dynamic Range: Around 24 dB (some descriptions cite 26 dB/24 dB

• Event Dead Zone: ~2.5 m

• Attenuation Dead Zone: ~8 m

• Test Distance Capability: Configurable up to 100 km

Performance & Accuracy

• Pulse Width Options: Ranging from ~3 ns to ~3 µs+, allowing flexible range vs. resolution trade-offs

• Ranging Accuracy: ±(1 m + sampling interval + 0.005% × test distance

• Loss/Linearity Specs: Loss resolution 0.001 dB, linearity ≤ 0.05 dB/dB

Storage & Interface

• Memory: Typically built-in (8 GB or supports micro-SD), storing thousands of OTDR traces

• Connectivity: USB, mini‑USB or USB‑C, and Ethernet for data export

Battery & Power

• Battery: 4000 mAh polymer lithium cell, enabling 8+ hours of continuous testing

• Charging: Via AC adapter or power bank

Physical Specs

• Weight: ~500 g (depending on battery/configuration)

• Operating Conditions: Typically –10 °C to +50 °C, 0–95% non-condensing humidity

Connectors & Safety

• Fiber Ports: Standard FC/UPC; may support interchangeable SC/ST adapters

• Laser Safety: Class II

Ideal Use Cases

• FTTx access, LAN, and metro networks: Fits many common deployment scenarios

• Installation & troubleshooting: Supports quick Auto tests and detailed Expert testing

• Multi-functional field use: The 12-in-1 design means fewer tools to carry

• Outdoor maintenance & repairs: Long battery runtime and rugged design

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