Mini Fiber OTDR JW3302SJ

Mini Fiber OTDR JW3302SJ is a compact and efficient optical time domain reflectometer designed for accurate fiber optic testing, troubleshooting, and maintenance in FTTx and access networks. Built for field technicians and installers, this handheld device delivers reliable fault detection, attenuation measurement, and event analysis with fast testing speeds and an intuitive interface. Its lightweight design, durable construction, and multi-function capabilities make it an essential tool for fiber network deployment and service operations.

Product Features

Accurate fault location and analysis

The JW3302SJ provides precise detection of fiber breaks, bends, connectors, and splice losses, helping technicians quickly identify and resolve network issues.

Compact and lightweight design

Designed for portability, this mini OTDR is easy to carry and operate in confined or outdoor environments, making it ideal for fieldwork.

Dual wavelength testing

Supports common single-mode wavelengths, enabling comprehensive fiber testing for installation, inspection, and maintenance tasks.

Fast automatic measurement

Includes auto test functionality with intelligent event analysis, reducing setup time and delivering quick, reliable results.

Clear and intuitive display

Equipped with a high-resolution screen and user-friendly interface for easy navigation, trace viewing, and report interpretation.

Long-lasting battery performance

Powered by a rechargeable lithium battery that supports extended operation during field assignments.

Multi-functional integration

Combines OTDR capabilities with optional features such as a visual fault locator, optical power meter, and light source, minimizing the need for multiple devices.

Rugged construction for field use

Built to withstand demanding environments, including dust, temperature variations, and minor impacts during daily operations.

Product Specifications

• Wavelength: 1310 nm / 1550 nm
• Fiber type: Single-mode fiber
• Dynamic range: Up to 24–28 dB
• Event dead zone: ≤ 10 m
• Attenuation dead zone: ≤ 5 m
• Distance range: Up to 80–100 km
• Distance accuracy: ±(1 m + 0.005% × distance + sampling resolution)
• Pulse width: Adjustable (5 ns to 10 µs typical)
• Display: Color LCD screen
• Data storage: Internal memory for test results and traces
• Interfaces: USB for data transfer and firmware updates
• Battery: Rechargeable lithium battery, up to 8 hours operation
• Operating temperature: -10°C to +50°C
• Storage temperature: -20°C to +70°C
• Functions: Auto OTDR test, event map, trace analysis, report generation
• Optional features: Visual fault locator (VFL), optical power meter (OPM), light source