Bathymetry & Side Scan Sonar: 4600 High Speed

EdgeTech’s 4600 combines the high resolution 2D capabilities of a side scan sonar with the 3D imagery of a multi-beam echosounder. The result is a highly effective survey tool that produces real-time high resolution 3D maps of the seafloor and is simple to use and cost-effective.

The 4600 utilizes EdgeTech’s Multi-Pulse technology which places multiple, coded pulses into the water at the same time compared to just one pulse for conventional systems. This Multi-Pulse technology breaks the conventional range/ping period limitation, transmitting up to 60 times a second. This means an area can be covered at twice the speed while still maintaining 100% bottom coverage, or one can get double the bathymetric data density along track.

The 4600 uses eight receive element transducers and one discrete transmit element that provides simultaneous transmission and reception for high speed operations. The high number of channels enables high rejection of multi-path effects, reverberation and acoustic noise.

The sonar electronics and arrays for the 4600 are mounted onto a streamlined tow body that is deployed over-the-side of the survey vessel via a pole. Alternatively, the sonar can be used as a towed system. Sonar data is transferred from the transceiver to the processing unit on board via an Ethernet network interface.

Default configuration for the 4600 includes an integrated sound velocity sensor and build-in bottom tracker. The system interfaces with standard GPS, MRU, SVP, CTD, Altimeters and Gyros. Simple to use acquisition software is provided by Hypack and Eiva.

• Swath 12 times water depth
• Co-registered simultaneous side scan & bathymetric data
• Built-in bathymetry gap filler
• Over the side mounting convertible to towed configuration
• Integrated sound velocity sensor
• Multi-Pulse for high speed surveys
• Long arrays

• Benthic Habitat Mapping
• Dredging Operations
• Marine Debris Search
• Military Rapid Environmental Assessments (REA)
• Nautical Charting
• Port & Harbor Security
• Route Surveys
• Shallow Water Hydrographic Surveys

4600 Brochure