Kongsberg EM 2040C, Maintenance Manual

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Performance specifications
These performance specifications summarize the main functional and operational
characteristics of the EM 2040C system.
•
Frequency range
: 200 to 400 kHz
•
Operator selectable frequencies
: 200 to 400 kHz in 10 kHz steps
•
Maximum detected depth
:
– EM 2040C: Limited to 600 m relative to the surface
– EM 2040CX: Limited to 600 m relative to Sonar Head face.
•
Minimum detected depth
: 0.5 m
•
Maximum ping rate
: 50 Hz
•
Number of soundings per ping
:
– Single head: Up to 800 (400 per swath)
– Dual head: Up to 1600 (400 per swath)
•
Beamwidth (TX x RX)
:
–
200 kHz
: 2 x 2 degrees
–
300 kHz
: 1.3 x 1.3 degrees
–
400 kHz
: 1 x 1 degree
•
TX source level at 300 kHz
: 204.5 dB re 1 μPa at 1 m
•
RX beam spacing
:
– Equiangular
– Equidistant
– High density
•
Coverage sector, single head
:
–
200 to 320 kHz
: up to 130 degrees
–
350 kHz
: 100 degrees
–
400 kHz
: 70 degrees
•
Coverage sector, dual head
:
–
200 to 320 kHz
: 200 degrees
–
350 kHz
: 170 degrees
–
400 kHz
: 140 degrees
•
Transmit beam steering
: Stabilised for pitch (+/- 10 degrees)
•
Receive beam steering
: Stabilised for roll (+/- 15 degrees)
•
Yaw stabilized beams
: +/- 10 degrees, for dual head only
Technical specifications