M3 Sonar

Generates imaging and bathymetric datasets from one sonar head

The innovative design of the M3 Sonar uses two sets of complementary transducers which allow it to generate both imaging and bathymetric data with the same head. Unique to the M3 Sonar is the patented eIQ (enhanced image quality) mode of operation that generates multibeam images with unprecedented clarity.

Kongsberg Discovery

Horten, NO

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Description

The M3 Sonar has the ability to configure applications using complex pulses. The system allows the operator to interleave active pings and passive listening modes, Doppler, multiple true-zoom windows (up to 4) with linear FM and CW imaging modes of operation.

Data outputs are compatible with various third party software such as Caris, EIVA, Hypack and QINSy. The M3 Sonar has the ability to produce real-time 3D point clouds enabling fast target or object detection. Ideal for shallow water surveys on USV/ASV/ROV and dual head deployment.

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Specifications

Physical properties of transducer head: Length [m]

0.22

Width [m]

0.22

Height [m]

0.16

Min. external power [V]

12

Max. external power [V]

36

Max. power consumption [W]

22

Speed of sound: Real-time correction of refraction at transducer head

Y

Interfaces: Compatible software

The M3 Software was developed specifically for the M3 system to manage communications with the sonar head and operate all beam-forming and imaging processing.Four Pre-Defined Modes1) Imaging: Long range navigation with high speed update2) Enhanced Image Quality (eIQ): Greatest image quality (0.95° angular resolution) from a short range with a slower update3) ROV Navigation: Selects eIQ or imaging based on range4) Profiling: Narrow 3° beam used to generate a 3D point cloudSupported data acquisition software:- Hypack Hysweep- QPS QINSy- EIVA NaviSuite- OIC SAMM- Forum VisualSoft SuiteSupported post processing software- CARIS HIPs & SIPs- Hypack- QPS QINSy- EIVA NaviSuite- Forum VisualSoft Suite

Compatible hardware

The M3 comes as a complete working system. It can be pole mounted on a surface vessel. The system is also suitable for a wide range of vehicles from large work-class ROVs to small observation class ROVs.

Real-time access procedure

Operator can see the complete underwater picture in real time.

Motion compensation: Motion sensors compatible to the system

System comes with Integrated tilt and pan/tilt con

Motion stabilized

N

Mounting and deployment: Mounting

Portable

Retractable

Y

Used Sonar Methods: Type of system

Multibeam Imaging & Multibeam Echosounder

Bottom Detection Method

Amplitude / Phase / Blend

Sonar type

Beam-forming

System Parameters: Min. frequency [kHz]

500

Max. frequency [kHz]

1400

Min. depth [m]

0.2

Max. depth [m]

150

Depth resolution [mm]

10

Max. Slant Range [m]

150

Max. swath as a function of depth

175

Max. pings / second

40

Ping frequency [Hz]

40

Min. beam width across track [deg]

0.95

Min. beam width along track [deg]

3

Available frequenties

500 kHz or 700-1400 kHz

Simultaneous multiple frequencies

No

High resolution mode

YES

Number of beams

256

Transducer Type

Portable

Pulse length

CW-FM