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 |
The AQ7275 has been replaced by newer Yokogawa OTDR models with enhanced features and performance.
Industry-leading 0.8m event dead zone using advanced optical technology and 3ns pulse width.
Up to 45dB dynamic range enables testing of long-haul and high-loss fiber networks.
Ready to measure in just 10 seconds from power-off state.
Supports accurate event analysis through 1x32 optical splitters.
Optional internal virtual fiber eliminates need for external launch boxes.
USB interface supports fiber connector inspection probe display.
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 It has been replaced by the AQ1210 and AQ7280 series.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.
The AQ7275 has been replaced by two main product lines: the AQ1210 series(compact handheld, 1.2kg, 7-inch touchscreen) for field technicians, and the AQ7280 series(modular platform, up to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.
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.
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.
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.