The Yokogawa AQ7270 OTDR User Manual provides setup, operation, safety precautions, and specifications for the optical time‑domain reflectometer.
This manual explains how to install, power, and operate the AQ7270 optical time‑domain reflectometer. It includes safety warnings, connection instructions for power, battery, and optical cables, and detailed guidance on measurement settings and data handling.
Key specifications such as display size, distance range, resolution, wavelength options, and power output are listed, along with optional accessories and environmental limits. The document also references additional manuals for full feature description and communication interfaces. This manual is written in Chinese.
| Display | 8.4‑inch color TFT LCD (640×480 dots) |
|---|---|
| Distance range | 500 m to 400 km (multiple selectable ranges) |
| Minimum resolution | 1 cm |
| Maximum sampling points | 50 000 points |
| Center wavelength (model 735020) | 1550 nm ± 25 nm |
| Output power (model 735020) | CW ≤ 5 mW @1550 nm, Pulse ≤ 200 mW @1550 nm |
| Operating temperature | 0 °C – 45 °C |
| Weight (no options) | ≈ 2.8 kg |
| Battery runtime | ≈ 6 hours |
The battery provides about 6 hours of operation under the specified conditions.
The instrument can store up to 50 000 sampling points per measurement.