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[Optional])
- 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 Logical Diagram of System Components
For configuration of the DAS Module and DAS DAQ Board, please refer to the "Order Info" section.
1.5 Optical path structure
【Figure 1-3】 Schematic diagram of light path structure
The black solid-line box in the figure above represents the DAS module. The algorithm logic within the dashed-line box below is implemented by the DAS Board.
Chapter 2 Product specifications
2.1 Performance Parameters
Table 2-1 Performance Parameters
| DAS Hardware All-in-One | Minimum Value | Typical Value | Maximum Value | Unit | Remark |
|---|---|---|---|---|---|
| Power Consumption | - | 220 | - | W | - |
| Operating Voltage | - | 220 | - | V | AC |
| Operating Temperature | -20 | - | 60 | ℃ | - |
| Storage Temperature | -30 | - | 70 | ℃ | - |
| Measuring Distance | - | - | 60 | km | 60km@Raman |
| Modulation Scheme | - | TTL Modulation | - | - | - |
| Pulse Width | 50 | - | 200 | ns | - |
| Pulse Frequency | - | - | 50 | kHz | - |
| Spatial Resolution | 5 | 10 | - | m | 5m@50ns |
| Response Frequency | 1 | - | 25k | Hz | 50kHz@1km |
| Low Frequency Response Range | 1 | - | 1k | - | - |
| High Frequency Response Range | 1k | - | 25k | - | - |
| Response Stability | - | Fluctuation less than 1% in the full frequency band | - | - | - |
| Demodulation Channel | - | Full-domain Demodulation | - | - | Simultaneously demodulate all channels |
| Warm-up Time | - | <5 | - | Min | - |
| ADC Sampling Rate | - | 250 | - | MS/s | - |
| ADC Resolution | - | 14 | - | bit | - |
| ADC Channel | - | 2 | - | pcs | - |
| Data Transmission Interface | - | PCIe 2.0 x8 | - | - | - |
2.2 Hardware configuration
2-2 Hardware Configuration
| Configuration Name | Specification/Model |
|---|---|
| Motherboard | AIMB-208HF-LAA1 |
| CPU | intel i5 12400 |
| Random access memory (RAM) | 16GB-DDR4-3200 |
| Solid State Drive | 1TB-M.2 |
| Power supply | 400W |
| DAQ Board | GY-DAQ-2480, 14-bit, 250 MS/s sampling rate, FPGA demodulation |
| 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 × 2 |
| USB port | 4 USB 3.2 ports 4 USB 2.0 ports |
| Network interface | 2.0 Gbe LAN ports × 2 |
| Power connector | AC220V×1 |
| High Definition Audio Interface | Audio In / Audio Out / 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 |
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.
