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SBP 120 sub bottom profiler - Technical specifications

Models

SBP 120-3

SBP 120-6

SBP 120-12

Operating principle

Linear

Linear

Linear

Frequency range

3-7kHz

3-7kHz

3-7kHz

Source level

230 dB

224 dB

218 dB

Signatures

CW, Chirp

CW, Chirp

CW, Chirp

Heave compensated

yes

yes

yes

Pitch compensated

yes

yes

yes

Roll compensated

yes

yes

yes

Transmit transducer

8x0.8m

4x0.8m

2x0.8m

Receive transducer

EM 120

EM 120

EM 120

Beamforming principle

Mills cross

Mills cross

Mills cross

No of simultaneous beams

7

7

7

Fan of beams

Simultaneous

Simultaneous

Simultaneous

Horisontal resolution

3x3 deg.

6x6 deg.

12x12 deg.

Sideslobe structure

<-20dB

<-20dB

<-20dB

Veritcal resolution

0.35ms

0.35ms

0.35ms

Bottom detection

EM 120

EM 120

EM 120

External trig

yes

yes

yes

Transmission pattern optimized for EM 120 timing

yes

yes

yes

Terrain adapted beam steering

yes

yes

yes

Audible noise inside hull

Reduced by baffle

Reduced by baffle

Reduced by baffle

Operational

Integrated with EM 120

Integrated with EM 120

Integrated with EM 120

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