EM 304
MULTIBEAM ECHO SOUNDER
EM 304 has been replaced by EM 304 MKII with ocean depth capability.
Kongsberg Discovery
Horten, NO
Description
The modular EM 304 performs accurate, high resolution seabed mapping in shallow to deep waters at depths of more than 8000 m. The successor to the EM 302, the EM 304’s broad range of functionality supports simultaneous collection of multiple data types, saving time in the planning, execution and analysis phase. A low noise echo sounder, EM 304 delivers superior data requiring minimal post-processing.
EM 304 has been replaced by EM 304 MKII with ocean depth capability.
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Specifications
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Speed of sound
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Explanation of SV-profile application process
Equidistant and equiangular
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Mounting and deployment
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Mounting
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System Parameters
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Min. frequency [kHz]
26
Max. frequency [kHz]
34
Min. depth [m]
10
Max. depth [m]
8000
max Swath Update Rate
2 swaths per ping
Pulse length
0.4 ms CW to 200 ms FM effective pulse length
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Bottom Coverage
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Max. swath width [m]
9000
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More information
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Distinguishable features
Number of transmit sectors 16 frequency coded transmit sectors per ping / 8 per swath; Available models (receiver and transmitter) 0.5 degree, 1 degree, 2 degrees and 4 degrees
Documents
Brochure
427739_em_304_data_sheet.pdf?OpenElement
