描述
特征：
- 支持长达12,000 km的超长距离测试，便携且重量轻的一体式设计，非常适合在现场及船上使用。
- 高分辨率：故障检测的分辨率为10m
- 简单易用的触模屏操作
- 宽动态范围：支持80Km或更长的中继器间隔
- 内置可调谐光源的波长精度可达0.2nm，波长范围为1535.03nm到1565.08nm
- 可调的光输出功率：0dBm~13dBm
应用领域：
- 测试超长距离的海底光缆，是理想的海底光缆测试与维护工具。
C-OTDR测量示例
产品描述：
MW90010A是可以用来测试海底光缆的相干光时域反射仪，其可以测试超长距离的海底光缆，测试距离可以达到12,000Km，是理想的海底光缆测试与维护工具。MW90010A采用相干检测技术，利用光纤下行链路作为测试接口，测试背向反射光，可以穿透所有的光中继器，显示事件的损耗、距离等。
主要性能和规格：
| Fiber Under Test | ITU-T G.653 (DSF) | |
| Optical Connector | FC, SC, DIN, HSM-10/A, ST (Replaceable, PC type) | |
| Wavelength (Probe Light) | 1535.03 nm to 1565.08 nm (ITU-T Grid, Wavelength in vacuum setting with 50 GHz steps) | |
| Wavelength Accuracy | ±0.2 nm (+20°C to +30°C) | |
| Warm-up Time | 30 minutes (+20°C to +30°C) | |
| Loading Light Source (Dummy) | “ wavelength of probe light ” +50 GHz or –50 GHzThe loading wavelength can be selectable at +50 GHz or –50 GHz of the probe (OTDR) wavelength. | |
| Pulse Width | 3, 10, 30, 60, 100 μs | |
| Optical Output Power | 0 to +13 dBm, 0.5 dB steps | |
| Dynamic Range(one way, S/N=1)(See the block diagram onprevious page) | >17 dB Measurement Conditions: Pulse width: 10 μs, Average times: 216, Distance range: 1000 km, Smoothing: On, Ps: –57 dBm @ Pin*1 Pase: –20 dBm/nm @ Pin*1 | |
| Dead Zone | 0.5 km (Pulse width: 3 μs) | |
| Distance Measurement Accuracy | ±10 m ±0.5 × 10–6 × measurement value (m)This does not include optical fiber refraction index (IOR) based uncertainty. | |
| Vertical Scale | 0.02, 0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 5.0, 10.0 dB/div | |
| Distance Range | 100 km, 500 km to 12,000 km (in 500 km steps) | |
| Sampling Resolution (IOR = 1.500000) | 10 m | |
| Measurement Time | 15 minutes (Distance range: 1000 km, Average times: 216) | |
| Average Times | 28 to 224 | |
| Ior Settings | 1.300000 to 1.700000 (0.000001 steps) | |
| Monitor Output | –25 to –15 dBm (for OTDR Wavelength Monitor) | |
| Other Functions | • Real Time Measurement • Multiple Trace Display (8 Waveforms max.)• Zoom & Shift • Loss Calculation Splice Loss, 2Pt Loss, 2Pt LSA, dB/ km Loss, dB/km LSA, 2Pt & dB/km, 2Pt & dB/km LSA• File Save formats GR-196, SR4731 • USB Memory support• Internal Memory (2.8 GB)• Print External printer, Hard copy (file: PDF)• Distance Unit miles, feet, kilofeet, meters, kilometers • File UtilityFile: Copy, Paste, DeleteFolder: Create new • Help function• Remote Control Function (Option) | |
| Display | 8.4 inch, XGA (1024 × 768) color LCD with touch panel | |
| Interface | USB (2 ports, REV1.1), Mouse (USB), Keyboard (PS/2), VGA | |
| Power Supply | 100 VAC to 120 VAC/200 VAC to 240 VAC, 50 Hz to 60 Hz, ≤300 VA | |
| Dimensions and Mass | 320 (W) × 177 (H) × 451 (D) mm, <17 kg | |
| Environmental Conditions | Temperature: +10°C to +35°C (operating), –10°C to +50°C (storage)Humidity: <85% RHVibration: Conforms to MIL-STD-810D | |
| CE | EMC | 2014/30/EU, EN61326-1, EN61000-3-2 |
| LVD | 2014/35/EU, EN61010-1 | |
| RoHS | 2011/65/EU, (EU) 2015/863, EN IEC 63000: 2018 | |
| Laser Safety Level*2 | IEC 60825-1: 2007 CLASS 1M: Optical Output PortCLASS 1: Monitor Port 21CFR1040.10 Excludes deviations caused by conformance to Laser Notice No. 50 dated June 24, 2007 | |
∗1: Ps: Maximum backscatter level at the input [dBm]
Pase: ASE level at the input [dBm]
∗2: Safety measures for laser products
This product complies with optical safety standards in 21CFR1040.10 and IEC 60825-1; the following descriptive labels are affixed to the product.
