Survey

Teledyne Marine SeaBat T51-ASV

The Next-Generation 800 kHz Autonomous Mapping Solution

Product Overview 

The SeaBat T51-ASV is the latest ultra-high resolution multibeam echosounder (MBES) optimized specifically for Autonomous Surface Vehicles (ASVs) and Uncrewed Surface Vessels (USVs). Released in 2023, it is built on the revolutionary 800 kHz technology of the SeaBat T51-R, offering four times the resolution of the previous T50-ASV flagship while maintaining a compact, power-efficient form factor.

It is designed for high-end autonomous mapping where mission endurance and extreme data detail are both non-negotiable. With its 0.25° receiver beamwidth, it allows for the detection of incredibly small objects, such as cables or individual boulders, at full swath width.

Specification700-800 kHz (Ultra-High)350-440 kHz (Traditional)
Max Depth (FM)120 meters280 meters
Typical Depth (CW)60 meters160 meters
Receiver Beamwidth0.25°0.5°
Swath CoverageUp to 170°Up to 170°
Max Ping Rate50 pings/second50 pings/second
Number of Beams10 to 102410 to 1024
Input Voltage24VDC (Standard ASV rail)24VDC
  • True 800 kHz Technology: The first ASV-dedicated sonar to offer a "true" 800 kHz frequency, allowing for exceptional survey efficiency (up to 7x water depth) without sacrificing the razor-sharp resolution needed for critical decision-making.
  • Autonomous Tracker Autopilot: This AI-driven feature handles all sonar adjustments (gain, power, range, and swath width) automatically. It ensures optimal data quality even when a human operator is not actively monitoring the telemetry link.
  • Optimized Power Consumption: Drawing only 90W (typical), the system is designed to maximize the battery-powered mission time of uncrewed platforms.
  • ASV+ Sonar Processor: A lightweight, OEM-integrated processor that features an internal high-speed SSD for onboard data logging, which is essential when operating in remote areas with limited bandwidth for data transmission.
  • Integrated INS (Intrepid): Often bundled with the Teledyne Intrepid GNSS-INS, which provides a simplified, "single-software" setup for motion and position, eliminating the need for complex external sensor interfacing.
  • 1772138598_SeaBat T51-ASV Product Leaflet.pdf

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