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⚠️ Discontinued Product The AQ7275 was discontinued on December 31, 2014. View Replacement Options →

Yokogawa • Discontinued

AQ7275 OTDR Platform

The Yokogawa AQ7275 was one of the world's best-selling optical time domain reflectometers (OTDR), renowned for its exceptional 0.8m event dead zone and high dynamic range up to 45dB. A legendary instrument that set industry standards for fiber optic testing in FTTH, metro, and core network applications.

Brand Yokogawa
Model AQ7275
Status Discontinued (Dec 31, 2014)
Wavelengths 1310/1550 nm (Standard), up to 4 wavelengths
Dynamic Range Up to 45 dB (model dependent)
Event Dead Zone 0.8 m (Industry Leading)
Attenuation Dead Zone ~5-10 m
Distance Range Up to 200 km
Display 8.4-inch Color TFT LCD
Battery Life 4-8 hours
Weight ~2.5-3.0 kg
Interface USB, Fiber Inspection Support

Looking for a Replacement

The AQ7275 has been replaced by newer Yokogawa OTDR models with enhanced features and performance.

Key Features

Ultra-Short Dead Zone

Industry-leading 0.8m event dead zone using advanced optical technology and 3ns pulse width.

High Dynamic Range

Up to 45dB dynamic range enables testing of long-haul and high-loss fiber networks.

Fast Startup

Ready to measure in just 10 seconds from power-off state.

PON Testing

Supports accurate event analysis through 1x32 optical splitters.

Built-in Launch Fiber

Optional internal virtual fiber eliminates need for external launch boxes.

Fiber Inspection

USB interface supports fiber connector inspection probe display.

Frequently Asked Questions

Is the AQ7275 still available for purchase

No, the Yokogawa AQ7275 was officially discontinued on December 31, 2014. It has been replaced by the AQ1210 and AQ7280 series. However, we may have refurbished units or can help you find suitable alternatives.

What are the recommended replacement models

The AQ7275 has been replaced by two main product lines: the AQ1210 series(compact handheld, 1.2kg, 7-inch touchscreen) for field technicians, and the AQ7280 series(modular platform, up to 46dB) for advanced testing requirements.

Can I still get calibration and repair services for my AQ7275

Yes, Riselink provides factory-authorized calibration and repair services for existing AQ7275 units. Contact our support team for service options and trade-in programs toward newer models.

What file formats does the AQ7275 support

The AQ7275 supports industry-standard SOR file format for trace data, which is compatible with most fiber optic analysis software. This ensures seamless integration with your existing workflow.

Is there a trade-in program available

Yes, we offer trade-in programs for upgrading from the AQ7275 to newer models like the AQ1210 or AQ7280 series. Contact our sales team for current trade-in values and upgrade options.

Need a replacement for AQ7275 Get competitive pricing on AQ1210 and AQ7280 series
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