EM 2040CX Dual
MULTIBEAM ECHO SOUNDER
The EM 2040CX Dual is a shallow water multibeam echosounder based on the EM 2040 technology.
Description
It is an ideal tool for any high-resolution inspection and mapping applications. With two small circular transducer heads, it's well suited for any installation, portable or permanent or underwater vehicles. With the release of the EM 2040 MKII series, KONGSBERG MARITIME has upgraded the hardware and software to increase the swath and improve the data quality of the EM 2040 series.
FEATURES:
- High resolution
- Wide frequency range
- CW and FM chirp
- Roll and pitch stabilisation in real time
- Yaw stabilisation with dual head in realtime
- Nearfield focusing - both on transmit and receive
- Short pulse lengths and large bandwidth
- Seabed image as standard
- Depth rated to 1500 m
- Easy to install
- Water column display and logging
- Single or Dual Head for increased swath
- Single or Dual swath for increased density or for increased survey speed
- Extra detections
- Hull unit
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Specifications
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Physical properties of transducer head
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Length [m]
0.33
Width [m]
0.33
Height [m]
0.12
Min. external power [V]
48
Max. external power [V]
230
Max. power consumption [W]
70
Weight in Air
52.2
Weight in Water
34
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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
Calculation of each sounding is according to Schnells law of refraction, in real time
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Maintenance criteria
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Mean time before failure [hr]
2000
Mean time to repair [hr]
1
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Interfaces
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Compatible software
SIS, Qinsy, HYPACK, EIVA, Fledermaus, CARIS and others.
Compatible hardware
Sound velocity at transducer; Sound Velocity profile; Position; Heading; 1PPS; Single beam echo sounder (optional)
Real-time access procedure
Realtime visualization of bathymetric data; both raw data and gridded data in 2D and 3D; swath; quality of each beam; water column; seabed image; attitude data; 3D waterfall
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Motion compensation
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Motion sensors compatible to the system
Seatex MRU 5; Seapath 130/380; Applanix POS/MV; and other sensors with comparable accuracy
Required pitch uncertainty [deg]
0.02
Required roll uncertainty [deg]
0.02
Required heave uncertainty [m]
0.05
Motion stabilized
Y
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Mounting and deployment
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Mounting
Hull mounted & Portable
Retractable
Y
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Used Sonar Methods
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Type of system
Multibeam
Bottom Detection Method
Amplitude or phase
Sonar type
Beam-forming
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System Parameters
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Min. frequency [kHz]
200
Max. frequency [kHz]
400
Number of selectable frequencies
21
Min. depth [m]
0.5
Max. depth [m]
520
Depth resolution [mm]
10
Max. swath as a function of depth
10
Ping frequency [Hz]
50
Min. beam width across track [deg]
1
Min. beam width along track [deg]
1
Simultaneous multiple frequencies
Yes
Number of beams
2048
High resolution mode
YES
Available frequenties
200-700 kHz, 200-400 kHz in 10 kHz step
Max. pings / second
50
Transducer Type
Portable
Pulse length
Shortest pulse length 14 microseconds
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Bottom Coverage
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Footprint in nadir direction [m]
0.11
Footprint at max. horizontal range [m]
0.27
Smallest identifiable cube [m3]
1
Max. swath width [m]
700
Equal footprint spacing
Y
Max. number of points per ping for side scan operation
100000
Equi-angular/equi-distant mode
Equi-angular, Equi-distant
Backscatter
Y
Water column
Y
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Uncertainty
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RMS of nadir depth measurement [m]
0.05
Intended S44 order
Special
Max. survey speed for specified RMS [kt]
12
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More information
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Distinguishable features
200 to 400kHz in steps of 10kHz. Very wide swath
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General
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Date of first release
2010