Doppler Velocity Log (DVL) High-Precision Underwater Navigation System

The DP-D80 Doppler Velocity Log (DVL) is a high-precision underwater navigation instrument based on the Doppler effect. Designed for Autonomous Underwater Vehicles (AUVs), surface vessels, and marine platforms, it provides real-time 3D velocity measurements and bottom-altitude data. The device can operate independently or integrate with an Inertial Navigation System (INS) for enhanced accuracy and reliability.

Key Features

• High Accuracy: Velocity measurement accuracy better than 2‰ ± 2 mm/s; depth measurement error 1% ± 1.2 m.
• Wide Measurement Range: Speed range from -15 kn to +15 kn; depth range 0.5 m – 80 m.
• Pressure Resistant: Operates under water pressure up to 3.6 MPa.
• Low Power Consumption: Average ≤25 W; peak ≤140 W.
• Modular Design: Independent electronic unit and transducer for flexible installation.
• Reliable Communication: Supports RS422 and RS232 interfaces with RDI PD6 protocol for robust, verified data output.

Core Functions

1. Real-Time 3D Velocity Measurement: Measures velocity along X, Y, and Z axes.
2. Bottom-Altitude Sensing: Provides accurate distance to seabed for safe underwater navigation.
3. Self-Diagnostics & Status Monitoring: Monitors transducer depth and system health in real time.
4. Data Compatibility: PD6 data format ensures seamless integration with computers or INS for data fusion.

Advantages

• High Reliability: Robust waterproof and sealed design for long-term underwater operation.
• Easy Operation: Quick configuration and monitoring via dedicated debug interfaces.
• Flexible Deployment: Can operate standalone or in combination with INS for enhanced navigation.
• Environmentally Resistant: Operates in -10°C to +50°C; storage range -40°C to +70°C.

Applications

• AUV navigation and underwater speed measurement
• Surface vessel precise velocity monitoring
• Seafloor mapping and hydrographic surveys
• Submersible positioning and monitoring
• Marine engineering, oceanography, and research expeditions

CSSC Star&Inertia Technology co.,ltd. is located in Wuhan, Hubei Province, located in the "Optical Valley of China", backed by the world's largest optical fiber and cable research and development base, the largest domestic optical device research and development and production base, the largest domestic laser industry base. The company occupies unique geographical advantages in the field of optical navigation, and is the leader in the field of long-sailing high-precision optical navigation in China.