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Coherent OTDR MW90010B可以测量长达20,000公里的超长海底电缆，以10 m测量分辨率定位故障。
相干检测技术捕获波形数据，包括故障定位、电缆损耗、弯曲损耗、光纤长度等，用于详细评估海底电缆。其优异的基础性能，如测量时间和动态范围，用间隔80公里或更长距离的光放大器中继器精确测量海底电缆。
此外，将波长精度为±0.05 nm的内置可调光源设置为1527.60 nm至1567.13 nm的波长范围，支持DWDM海底电缆的测量。
| Items | Specifications |
|---|---|
| Fiber under test | ITU-T G.653 (DSF) |
| Optical connector | FC, SC, (User Replaceable, PC Type) |
| Wavelength (Probe light) | 1527.60 nm to 1567.13 nm |
| Wavelength accuracy | ±0.05 nm (20°C to 30°C) |
| Warm-up time | 2 minutes (20°C to 30°C) |
| Pulse width | 3/10/30/60/100 µs |
| Optical output power | 0 to +13 dBm, 0.5 dB Steps |
| Dynamic range (S/N=1) | 18 dB (typ.) Measurement conditions (25℃, Pulse Width: 10 μs, Averaging Times: 216, Distance Range: 1000 km, Smoothing: On, Signal: –57 dBm @ Pin) |
| Dead zone | 0.5 km (Pulse Width: 3 µs) |
| Distance range | 100 km, 500 km to 12,000 km (in 500 km steps) With MW90010B-003 100 km, 500 km to 20,000 km (in 500 km steps) |
| Measurement time | 15 minutes (Distance Range: 1000 km, Averaging Times: 216) |
| Dimensions and mass | 320 (W) × 177 (H) × 451 (D) mm, ≤10 kg |
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