Yokogawa AQ7280 Modular Optical Time Domain Reflectometer (OTDR)
High-Performance Modular OTDR for Advanced Optical Fiber Testing

The Yokogawa AQ7280 Modular OTDR is a premium-grade optical testing solution engineered to deliver exceptional accuracy, flexibility, and speed. As part of Yokogawa’s industry-leading AQ7280 series, this OTDR system is designed for demanding field applications including installation, maintenance, and troubleshooting of optical fiber networks such as FTTx, backbone, metro, and core networks.

What sets the AQ7280 apart is its modular design, which allows users to customize and upgrade the unit with a wide range of OTDR modules based on their specific requirements. Combining state-of-the-art performance with a user-friendly interface and rugged durability, the AQ7280 is the go-to instrument for fiber professionals seeking high precision and future-proof functionality.

Product Overview

The Yokogawa AQ7280 is built to tackle the complexities of modern optical networks. It features a large 8.4-inch high-resolution touchscreen, a powerful dual-core processor, and up to 12 hours of battery life, ensuring reliable and efficient testing in the field. Whether you are analyzing long-haul links, detecting splices, measuring attenuation, or verifying installations, the AQ7280 provides clear, accurate trace data every time.

With support for multiple wavelengths and a variety of OTDR modules—including multi-mode and single-mode options—this instrument adapts to nearly every optical testing scenario. Its modular design ensures that users only pay for the features they need, while still allowing future upgrades as technology advances.

Key Features

✅ Modular and Customizable
The AQ7280 features multiple module slots that allow users to integrate different OTDR modules, power meters, light sources, and visual fault locators, offering unmatched flexibility.

✅ Multiple Wavelengths Supported
Supports a broad range of wavelengths (including 1310/1550 nm, 1625 nm, and 1650 nm), suitable for both single-mode and multi-mode fiber applications.

✅ Wide Dynamic Range
Offers up to 50 dB dynamic range, enabling accurate testing of long fiber spans with high loss or complex structures.

✅ High-Resolution Touchscreen Interface
Equipped with a large 8.4-inch touchscreen, the AQ7280 provides intuitive controls, multi-trace comparison, and zooming capabilities for detailed event analysis.

✅ Extended Battery Life
Runs up to 12 hours on a single charge, making it ideal for field use where power availability may be limited.

✅ Fast Trace Acquisition
Delivers rapid measurements with minimal wait time—ideal for high-efficiency workflows and dense testing schedules.

✅ SmartMapper™ Functionality
Automatically interprets and summarizes key events in the fiber, such as connectors, splices, bends, or breaks, in a user-friendly format.

✅ Robust Construction
Designed for harsh environments with a rugged outer shell, high-impact resistance, and operational durability across a wide temperature range.

Technical Specifications

• Display: 8.4″ WVGA color touchscreen

• Dynamic Range: Up to 50 dB (varies by module)

• Wavelengths: 850, 1300, 1310, 1490, 1550, 1625, 1650 nm

• Event Dead Zone: < 0.8 m

• Attenuation Dead Zone: < 3.5 m

• Battery Life: Up to 12 hours

• Storage: Internal memory + USB + SD card support

• Connectivity: USB, Ethernet, Wi-Fi (optional)

• Operating Temperature: -10°C to +50°C

• Weight: Approx. 3.5 kg (including module and battery)

Applications

• FTTx Network Testing and Certification

• Metro and Core Network Troubleshooting

• Splice and Connector Verification

• Fiber Attenuation and Reflectance Analysis

• Construction and Maintenance of Data Center Fiber Infrastructure

Benefits

• Modular Investment: Purchase only the modules needed, with flexibility to upgrade.

• Time-Saving Automation: Built-in auto test functions reduce time spent on manual configurations.

• Precision & Clarity: Advanced algorithms and high dynamic range ensure clear fiber visibility.

• Efficient Documentation: Generates detailed PDF and CSV reports directly from the device.

• Technician Friendly: Touchscreen interface, long battery life, and SmartMapper technology simplify field testing tasks.

Conclusion

The Yokogawa AQ7280 Modular OTDR is more than just a testing tool—it’s a complete optical network diagnostic solution. Designed with modular flexibility, long-range measurement capability, and intuitive software, it offers unmatched performance for professionals tasked with building, maintaining, or upgrading complex fiber-optic systems.

Backed by Yokogawa’s engineering excellence and global support, the AQ7280 ensures that your network is thoroughly inspected and future-ready. Whether you’re deploying large-scale fiber projects or maintaining legacy infrastructures, this OTDR will exceed your expectations every step of the way.