Survey

Edgetech 2050: Combined Side Scan Sonar & Sub-bottom Profiler

The Ultimate High-Resolution Integrated Survey Solution for Depths up to 3,000 Meters

Product Overview The EdgeTech 2050-DSS represents the latest evolution in integrated sonar technology, combining EdgeTech’s industry-leading tri-frequency side scan sonar with a high-resolution sub-bottom profiler. This "Digital Sub-bottom & Side-scan" (DSS) system is specifically designed for missions that require the system to be towed near the seabed to capture ultra-fine stratigraphic detail alongside wide-area imagery.

Built to exceed the requirements for geological, geophysical, and pipeline surveys, the 2050-DSS utilizes Full Spectrum® CHIRP technology to provide superior signal-to-noise ratios and cleaner data. Its recent upgrade to a 3,000-meter depth rating (as of December 2023) and the addition of a specialized Pipeline Survey Mode make it one of the most versatile tools in the offshore survey market.

Why Choose the EdgeTech 2050-DSS?

  • Tri-Frequency Versatility: Operators can choose any two of the three available frequencies to run simultaneously. This allows for a "search and identify" workflow—using lower frequencies for long-range reconnaissance and higher frequencies for millimetric target detail—without recovering the towfish.
  • Superior Sub-Bottom Imaging: Equipped with a 2-16 kHz sub-bottom profiler, the system utilizes a specialized PVDF panel receive hydrophone. This area-based receiver provides significantly improved beam patterns compared to traditional line hydrophones, resulting in clearer stratigraphy and better penetration in difficult sediments.
  • Specialized Pipeline Survey Mode: A new feature that allows the selection of a smaller hydrophone sub-array. This enables a larger fore-aft beamwidth and a faster transmission rate, greatly increasing the probability of detecting and tracking buried pipelines and cables.
  • ROV/AUV Ready: The electronics and sensors are designed with a modular interface, allowing them to be easily removed from the towfish and integrated directly onto Remotely Operated Vehicles (ROVs) or other hosted platforms.
  • Advanced Motion Compensation: Built-in sensors for Heading, Heave, Pitch, Roll, and Depth ensure that every pixel of data is corrected for vessel motion in real-time, delivering professional-grade georeferenced results.

FeatureConfiguration AConfiguration B
Side Scan Frequencies120 / 410 / 850 kHz230 / 540 / 850 kHz
Operating Range (m)120kHz: 600m | 850kHz: 90m230kHz: 350m | 850kHz: 90m
Across-Track Res.120kHz: 8cm | 850kHz: 1cm230kHz: 3cm | 850kHz: 1cm
Sub-Bottom Frequency2 – 16 kHz2 – 16 kHz
SBP Resolution6 – 10 cm6 – 10 cm
SBP PenetrationClay: 80m / Sand: 6mClay: 80m / Sand: 6m
Max Depth Rating3,000 Meters3,000 Meters
Weight (Air / Saltwater)151 kg / 71 kg151 kg / 71 kg
  • Fully Integrated Turnkey System: Includes the combined towfish, digital telemetry over a single coaxial cable, a 19-inch rack-mount topside interface, and DISCOVER acquisition software.
  • High-Speed Digital Telemetry: Supports long cable runs (up to 6,000m) without signal degradation, essential for deep-tow operations.
  • Dual Simultaneous CHIRP: Simultaneous side scan and sub-bottom data collection ensures 100% co-registration of seafloor imagery and sub-surface layers.
  • Auxiliary Sensor Hub: Standard interface for integrating magnetometers, USBL responders, and additional depth/altitude sensors.
  • 1770433212_2050-12_12_23.pdf

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