Survey

Teledyne RESON SeaBat T51-R: Multibeam Echosounder

Revolutionary 800kHz Technology for Unmatched Detail and Efficiency

Product Overview

The SeaBat T51-R is the latest evolution in the world-renowned SeaBat T-series, engineered to push the boundaries of shallow-water hydrography. Built on the proven architecture of the T50, the T51-R provides four times the resolution and introduces an industry-unique true 800kHz sonar array.

This system is designed for surveyors who refuse to compromise between detail and speed. While traditional high-frequency sonars often sacrifice swath width, the T51-R maintains an exceptional efficiency of up to seven times water depth, providing exceptionally clean data even at high frequencies. It is the ultimate tool for archaeological site mapping, pipeline inspection, and high-precision charting.

Why Choose the SeaBat T51-R?

  • The 800kHz Revolution: Deliver stunning, data-rich imagery with a 0.25° receiver beam width, allowing for the detection of the smallest subsea features and complex geometries.
  • Dual-Frequency Versatility: Seamlessly switch between 800kHz for extreme detail and a flexible 350–430kHz band for traditional surveys and extended range performance (up to 350m).
  • Autonomous AI Sonar Control: Features Teledyne’s "Tracker" AI, which automates range, gain, and pulse settings. This "hands-free" operation ensures optimal data quality regardless of operator experience.
  • Clean Data, Faster Processing: The T51-R produces unprecedentedly "clean" raw data, significantly reducing the time required for post-processing and manual data cleaning.
  • Integrated Inertial Navigation: The "R" (Rack-mount) configuration includes an optional fully integrated INS (Type +20 or +40) for precision motion stabilization and time-tagging.

Specification350–430 kHz Mode700–800 kHz Mode
Across-track Beam Width0.5° (at 400kHz)0.25° (at 800kHz)
Along-track Beam Width1.0° (at 400kHz)0.5° (at 800kHz)
Max Swath Angle170°150°
Typical Depth (CW)200 m85 m
Max Depth (FM)350 m150 m
Number of Beams10 – 102410 – 1024
Ping RateUp to 50 HzUp to 50 Hz
Depth Resolution6 mm6 mm
Weight (Water)< 8 kg (Head assembly)< 8 kg (Head assembly)
Depth Rating50 m (Standard)50 m (Standard)
  • Vertical Detection Mode: A unique algorithm that enhances the detection and imaging of vertical structures like quay walls, bridge pilings, and offshore jackets.
  • Extreme Swath Coverage: Provides up to 170° swath width in lower frequency modes and up to 150° at 800kHz, maximizing area coverage per pass.
  • Robust Titanium Housing: The sonar head is constructed from titanium to ensure long-term durability and corrosion resistance in harsh marine environments.
  • X-Range & Multi-Detect: Optional software features that improve range performance in deep water and provide multiple detections per beam for mapping complex targets (like vegetation or ship masts).
  • Compact 2U Processor: The Rack-mounted Sonar Processor (RSP+) simplifies mobilization with a single point for all cable connections.
  • 1769398584_RESON SeaBat T51-R Product leaflet.pdf

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