Underwater DVL Velocity Sensor Dolphin-D100B 3D Speed Measurement Bottom Clearance & Marine Research

The DP100B Doppler Log is a high-precision underwater navigation device designed for AUVs, ROVs, and surface vessels. Based on the Doppler velocity principle, it provides real-time velocity and bottom clearance measurements. The device can operate standalone or integrate with inertial navigation systems (INS) for accurate and reliable underwater navigation solutions. Compact and lightweight, it is easy to install and maintain.

Technical Specifications

• Operating Frequency: 330kHz
• Input Voltage: 24V ±2V DC
• Velocity Range: -15kn to +15kn
• Velocity Accuracy: Better than 4‰ ±2mm/s
• Depth Range: 2m – 170m
• Depth Accuracy: 1% ±1.2m
• Pressure Resistance: 3.6MPa
• Power: Avg ≤25W, Peak ≤140W
• Electronics Box Size: 160×110×70mm, Weight ≤1.6kg
• Transducer Size: Φ75×40mm
• Interface: RS422 (Main), RS232 (Debug & Data), PD6 protocol
• Operating Temperature: -10℃～50℃, Storage -40℃～70℃
• Data Update Rate: 1Hz
• Baud Rate: 38400bps, ASCII

Advantages

1. High-Precision Measurement: 3D velocity and bottom clearance measurement exceed industry standards.
2. Versatile Operation: Standalone or integrated with INS for research, engineering, and military applications.
3. Phased-Array Design: Accurate velocity measurement independent of sound speed, suitable for complex water environments.
4. Multiple Interfaces: RS422/RS232 for easy integration with AUVs, ROVs, vessel systems, and PCs.
5. Compact & Lightweight: Electronics box 1.6kg, transducer compact and easy to install.
6. Reliable & Durable: Suitable for seawater and freshwater, pressure-resistant up to 3.6MPa, strong anti-interference performance.

Application Range

• Navigation and attitude monitoring for AUVs
• Real-time velocity measurement for ROVs and surface vessels
• Marine research, seabed mapping, and oceanic ecological monitoring
• Port, river, reservoir monitoring, and underwater construction
• Underwater robotics navigation, deep-sea exploration, pipeline inspection