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EM 2040-07 Dual RX (MKII)

EM 2040-07 Dual RX (MKII)

MULTIBEAM ECHO SOUNDER

The EM 2040-07 Dual RX MKII is a true wide band high resolution shallow water multibeam with extremely wide swath, ideal tool for any high resolution mapping and inspection application. Transducer heads are well suited for any type of installation in hull or bow/side-mounted or on deep underwater vehicle. 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.

Description

FEATURES:

• High resolution

• Wide swath width

• Wide frequency range

• CW and FM chirp

• Roll, pitch and yaw stabilisation in realtime

• 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 for 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]

0.41

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

23 Kg - 44 Kg

Weight in Water

16 Kg - 32 Kg

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

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]

1300

Depth resolution [mm]

10

Max. swath as a function of depth

10

Ping frequency [Hz]

50

Min. beam width across track [deg]

0.225

Min. beam width along track [deg]

0.45

Simultaneous multiple frequencies

Yes

High resolution mode

YES

Number of beams

2048

Available frequenties

200-700 kHz

Max. pings / second

50

Transducer Type

Hull mounted

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]

2000

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

Uncertainty

RMS of nadir depth measurement [m]

0.05

Intended S44 order

Special

Max. survey speed for specified RMS [kt]

14

More information

Distinguishable features

From 200 to 700 kHz. Extremely high resolution with wide swath coverage

General

Date of first release

2010

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