Standard DAS Hardware All-in-One 6~10meter spatial resolution
DAS hardware all-in-one machine for distributed fiber optic acoustic sensing system hardware part. All-in-one machine using 3U chassis, chassis internal integration of DAS integration module, acousto-optic modulator driver, power supply module, industrial computer.
Huang
Email: Hqy@ybphotonics.com
1.1 Overview
DAS hardware all-in-one machine for distributed fiber optic acoustic sensing system hardware part, such as [Figure 1-1]. All-in-one machine using 3U chassis, chassis internal integration of DAS integration module, acousto-optic modulator driver, power supply module, industrial computer, etc., the system industrial computer default installation of windows system. The back of the chassis is left with FC/APC sensing fiber optic cable interface for external sensing fiber optic cable. The all-in-one machine is specially designed for distributed fiber optic acoustic sensing, perimeter security equipment manufacturers to provide high-quality supporting products and solutions.
1.2 Characteristics
- High integration (UNL, AOM, EDFA, Raman)
- Modular design allows selection of modules based on sensing distance
- Flexible control
- High stability and reliability
1.3 Applications
- φ-OTDR System
- DAS Distributed Acoustic Measurement
- Optical Studies
1.4 Structure of the test platform
【Figure 1-2】 Schematic diagram of test platform structure
1.5 Optical path structure
【Figure 1-3】 Schematic diagram of light path structure
Chapter 2 Product specifications
2.1 Performance Parameters
Table 2-1 Performance Parameters
| All-in-one machine | Min. | Type. | Max. | Unit | Notes |
|---|---|---|---|---|---|
| Power | 220 | W | |||
| Working voltage | 220 | V | AC | ||
| Working temperature | -20 | 60 | ℃ | ||
| Storage temperature | -30 | 70 | ℃ | ||
| Module parameters | Min. | Type. | Max. | Unit | Notes |
| Measuring Distance | 60 | km | |||
| Pulse width | 50 | 500 | ns | ||
| Warm-up time | <10 | Min | |||
| Working Voltage | 4.8 | 5.2 | V | DC | |
| Power | 3.5 | 9 | 15 | W | |
| Working temperature | -20 | 60 | ℃ | ||
| Storage temperature | -30 | 70 | ℃ | ||
| Communication interface | RS-232 | ||||
| Communication protocol | Modbus-RTU | ||||
| Ultra-narrow linewidth light source | Min. | Type. | Max. | Unit | Notes |
| Working wavelength | 1530 | 1550 | 1570 | nm | |
| Output power | 10 | 13 | dBm | ||
| Line width | <3 | kHz | |||
| Relative intensity noise | <120 | dB/Hz | |||
| Wavelength drift | ±1 | pm | |||
| Power stability | ±2% | Full temperature range | |||
| Side mode rejection ratio | 60 | dB | |||
| Pulse EDFA | Min. | Type. | Max. | Unit | Notes |
| Working wavelength range | 1550.12 | nm | |||
| Input peak optical power | 10 | dBm | |||
| Input average optical power | -35 | -30 | dBm | ||
| Output peak optical power | 23 | dBm | |||
| Output average optical power | 0 | dBm | |||
| Repetition rate | 100 | kHz | |||
| Coefficient of noise | 5.5 | dB | |||
| Polarization Related Gain | 0.5 | dB | |||
| Polarized mode dispersion | 0.5 | ps | |||
| Acousto-optic modulator | Min. | Type. | Max. | Unit | Notes |
| Working wavelength range | 1520 | 1550 | 1580 | nm | |
| Average optical power | 0.5 | W | |||
| Maximum pulsed light power | 0.5 | kW | |||
| Insertion Losses | 2.5 | 3 | dB | ||
| Extinction ratio | 50 | dB | |||
| Rise/fall time | 30 | ns | |||
| Frequency | 80 | MHz | |||
| Standing wave ratio | 1.2:1 | ||||
| Input Impedance | 50 | Ω | |||
| RF power | 2.5 | W | |||
| Frequency shift | 80 | MHz | |||
| Raman amplifier | Min. | Type. | Max. | Unit | Notes |
| Laser wavelength | 1455 | nm | |||
| Output power range | 25 | 27 | dBm | ||
| Balance detector | Min. | Type. | Max. | Unit | Notes |
| Bandwidths | 80 | MHz | |||
| Gain | 80 | kV/A | |||
| NEP | 30 | pW/Sqrt(Hz) | |||
2.2 Hardware configuration
2-2 Hardware Configuration
| Configuration Name | Specification/Model |
|---|---|
| Motherboard | MPG Z790I EDGE WIFI |
| CPU | intel i5 12400 |
| Random access memory (RAM) | 16GB-DDR5-6000 |
| Solid State Drive | 500G-M.2 |
| Power supply | 500W FLEX-500G |
| DAQ Board | GY-DAS-250-DAQ |
| Acousto-Optical Modulator Driver | 80M |
| Integration module | DAS Integration Module |
2.3 External interface
Table 2-3 External Interfaces
| Name | Specification/Model |
|---|---|
| Sensor Fiber Optic Interface | FC/APC flange × 1 (or × 2) |
| Display Interface | HDMI port × 1, DisPlayPort port × 1 |
| USB port | USB 3.2 Gen2x2 20Gbps Type-C port ×1USB 3.2 Gen 1 5Gbps Type-A port ×4USB 3.2 Gen 2 10Gbps Type-A port × 2USB 2.0 Type-A port ×2 |
| Network interface | 2.5 Gbps LAN port × 1, on-board WIFI × 1 |
| Power connector | AC220V×1 |
| High Definition Audio Interface | Line In/Front Speakers/Microphone |
2.4 Preinstalled software
Table 2-4 Pre-installed Software
| Name | Specification/Model |
|---|---|
| Operating system | Windows 10 |
| Test DEMO software | DAS Test DEMO Software |
Chapter 3 Product Dimensions and Interface Description
3.1 Description of product dimensions
3.2 Product Interface Description
Order Info
The following DAS modules and acquisition cards are available for this DAS all-in-one system.Once you have selected the module and acquisition card models, we will perform the all-in-one installation based on your chosen DAS module and acquisition card.
DAS Module
| Mode No. | Type | Channels | Distance | Intermediate Frequency | Laser linewidth | Features |
|---|---|---|---|---|---|---|
| GY-DAS-V4-40-1-A80 | Single-mode standard type | 1 | ≤40km | 80M | <3kHz | Great value for the price |
| GY-DAS-V4-40-2-A80 | Single-mode standard type | 2 | ≤40km | 80M | <3kHz | Great value for the price |
| GY-DAS-V4-40-1-A200 | Single-mode standard type | 1 | ≤40km | 200M | <3kHz | The spatial resolution can be increased |
| GY-DAS-V4-40-2-A200 | Single-mode standard type | 2 | ≤40km | 200M | <3kHz | The spatial resolution can be increased |
| GY-DAS-V4-60-1-A80 | Single-mode standard type | 1 | ≤60km | 80M | <3kHz | Longer monitoring range |
| GY-DAS-V4-60-2-A80 | Single-mode standard type | 2 | ≤60km | 80M | <3kHz | Longer monitoring range |
| GY-DAS-V4-60-1-A200 | Single-mode standard type | 1 | ≤60km | 200M | <3kHz | Balancing spatial resolution and range |
| GY-DAS-V4-60-2-A200 | Single-mode standard type | 2 | ≤60km | 200M | <3kHz | Balancing spatial resolution and range |
| GY-DAS-V4-40-1-A80-1 | Single-mode standard type | 1 | ≤40km | 80M | <1kHz | The laser performs better |
| GY-DAS-V4-40-1-A200-1 | Single-mode standard type | 1 | ≤40km | 200M | <1kHz | The laser performs better |
| GY-DAS-V4-40-1-A80-3-PM | Polarisation diversity | 1 | ≤40km | 80M | <3kHz | There is no issue with polarisation fading |
| GY-DAS-V4-40-1-A200-3-PM | Polarisation diversity | 1 | ≤40km | 200M | <3kHz | There is no issue with polarisation fading |
DAQ Cards
| Product Model | Sampling | Channels | Interface | Key Features | Applications |
|---|---|---|---|---|---|
| GY-DAQ-2480 | 250M | 2 | PCIe2.0 x8 | DAS High-Speed Data Acquisition The Best Value for Money | DAS |
| GY-DAQ-2510D | 1G | 2 | PCIe3.0 x8 | Hardware IQ Demodulation High Resolution | High-Precision DAS System |
Delivery Pictures
Product Related Videos
FAQ
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Q: What is the lead time for your fiber optic sensing related module products?
A: Basically, we have more than 90% of modules in stock, only a few models need 2 weeks lead time. -
Q: Do you support the sale of those countries, and is the shipping included?
A: Our service is available worldwide, regardless of country or region. Shipping is included. -
Q: Who are your typical customers?
A: More than 100 top universities and research institutes in China have chosen us and given us high evaluations, such as: Chinese Academy of Sciences, CEC, Tsinghua University, Peking University and other clients.
