EM 2040-04 Single RX (MKII)

MULTIBEAM ECHO SOUNDER

The EM 2040-04 Single RX MKII is a true wide band high resolution shallow water multibeam, an ideal tool for any high resolution mapping and inspection application.

Kongsberg Discovery

Horten, NO

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Description

Transducer heads are well suited for any installation, permanently, in-hull or bow/side-mounted or on deep 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, pitch and yaw stabilisation in real time
Nearfield focusing - both on transmit and receive
Short pulse lengths and large bandwidth
Seabed image as standard
Depth rated to 6000 m
Easy to install
Water column display and logging
Single or Dual swath for increased density or increased survey speed
Extra detections
High Multifrequency Mode
Multi Frequency Backscatter
Water column phase logging
Hull unit

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Specifications

Physical properties of transducer head: Length [m]

0.73

Width [m]

0.14

Height [m]

0.15

Min. external power [V]

115

Max. external power [V]

230

Max. power consumption [W]

70

Weight in Air

45 Kg TX - 22 Kg RX

Weight in Water

30 Kg TX - 16 Kg RX

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

Maintenance criteria: Mean time before failure [hr]

2000

Mean time to repair [hr]

1

Interfaces: 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

Motion compensation: 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

Mounting and deployment: Mounting

Hull mounted & Portable

Retractable

Y

Used Sonar Methods: Type of system

Multibeam

Bottom Detection Method

Amplitude or phase

Sonar type

Beam-forming

System Parameters: Min. frequency [kHz]

200

Max. frequency [kHz]

700

Number of selectable frequencies

5

Min. depth [m]

0.5

Max. depth [m]

1360

Depth resolution [mm]

10

Max. swath as a function of depth

7.5

Ping frequency [Hz]

50

Min. beam width across track [deg]

0.225

Min. beam width along track [deg]

0.45

Simultaneous multiple frequencies

Yes

Number of beams

1024

Available frequenties

200-700 kHz

Max. pings / second

50

High resolution mode

YES

Transducer Type

Portable

Pulse length

Shortest pulse length 14 microseconds

Bottom Coverage: Footprint in nadir direction [m]

0.01

Footprint at max. horizontal range [m]

0.04

Smallest identifiable cube [m3]

0.5

Max. swath width [m]

1990

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