Multibeam Echosounders

6205s2

Next Generation EdgeTech Bathymetric technology

The EdgeTech 6205s2 is our 4th generation fully integrated Wide Swath Bathymetry and Dual Frequency Sidescan Sonar System that produces real-time, high-resolution, Sidescan imagery and three-dimensional maps of the seafloor. EdgeTech’s unique Multi-Phase Echosounder (MPES) technology is a unique Hybrid approach that utilizes multiple receive arrays and combines Beamforming and Phase Differencing techniques to determine each sounding along the seafloor.

Edgetech

West Wareham, US

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Description

The EdgeTech 6205s2 is our 4th generation fully integrated Wide Swath Bathymetry and Dual Frequency Side Scan Sonar System that produces real time, high resolution, side scan imagery and three-dimensional maps of the seafloor. The 6205s2 overcomes the limitations of Multi Beam Echo Sounders (MBES) and Interferometric (Phase Differencing) systems in shallow water by using EdgeTech’s unique Multi-Phase Echo Sounder (MPES) technology. This unique Hybrid approach utilizes multiple receive arrays and combines both Beamforming and Phase Differencing techniques to determine each sounding along the seafloor. With the integration of EdgeTech’s Full Spectrum® CHIRP technology, the 6205s2 exceeds IHO SP-44, NOAA, and USACE specifications for Feature Detection and Bathymetric Point Data Uncertainty.

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Specifications

Physical properties of transducer head: Length [m]

0.72

Width [m]

0.2

Height [m]

0.14

Min. external power [V]

48

Max. external power [V]

48

Max. power consumption [W]

70

Weight in Air

14kg

Speed of sound: Real-time correction of refraction at transducer head

Y

Real-time integration of SV-profile

Y

Explanation of SV-profile application process

SVP inputs

Maintenance criteria: Mean time before failure [hr]

9999

Mean time to repair [hr]

9999

Interfaces: Compatible software

All standard

Compatible hardware

All standard

Real-time access procedure

Ethernet

Motion compensation: Motion sensors compatible to the system

All standard

Required pitch uncertainty [deg]

0.05

Required roll uncertainty [deg]

0.05

Required heave uncertainty [m]

0.05

Motion stabilized

N

Mounting and deployment: Mounting

Hull mounted & Portable

Retractable

Y

Used Sonar Methods: Type of system

MPES

Bottom Detection Method

MPES

Sonar type

Scanning sonar / profiler

System Parameters: Min. frequency [kHz]

230

Max. frequency [kHz]

1600

Min. depth [m]

0.1

Max. depth [m]

50

Depth resolution [mm]

1.5

Max. Slant Range [m]

250

Max. swath as a function of depth

12

Max. pings / second

800

Ping frequency [Hz]

60

Min. beam width across track [deg]

1

Min. beam width along track [deg]

0.5

Number of selectable frequencies

4

Available frequenties

520/850 kHz, 520/1600 kHz

Simultaneous multiple frequencies

Yes

Number of beams

800

Pulse length

520 kHz: 0.25 ms - 3.7 ms; 850 kHz: 0.15 ms - 2.4 ms

High resolution mode

No, but user has control over “Binning” parameter and sounding spacing/resolution.

Bottom Coverage: Footprint in nadir direction [m]

1

Footprint at max. horizontal range [m]

1

Smallest identifiable cube [m3]

0.5

Max. swath width [m]

400

Equal footprint spacing

Y

Max. number of points per ping for side scan operation

9999

Equi-angular/equi-distant mode

Equi-angular, Equi-distant

Backscatter

Y

Water column

N