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Kongsberg Maritime EA440

WIDE BAND HYDROGRAPHIC ECHO SOUNDER

EA440 is a high performance hydrographic wide band single beam echo sounder. The echo sounder is
developed for hydrographic use in shallow to medium depth waters. It supports portable and hull mounted
sidescan and sub-bottom light for shallow waters.

  • Kongsberg Maritime EA440
Kongsberg Maritime
Strandpromenaden 50
3191 Horten
Norway
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Description

FEATURES  EA440 is a high performance hydrographic wide band single beam echo sounder. 

• Hydrographic-, sidescan- and sub-bottom light applications

• Easy to install on Windows computers

• Four channels

• Frequencies from 30 to 500 kHz

• Sub-bottom frequencies from 10 to 30 kHz

• CW and FM pulse forms

• True raw data logging

• World class bottom detection

 

The new generation wide band hydrographic Echo Sounder

The EA440 is a new hydrographic multi frequency echo sounder with wide band technology. The EA440 has been developed for use in shallow to medium depth waters. A variety of highly efficient transducers are available to suit all of your operational needs, from extreme shallow (0.2m) down to 3000 m water depths.

The system supports both portable and hull-mounted side scan, and sub-bottom light for shallow waters. The operating software is in accordance with the new KONGSBERG standard MMI and it has an easy and intuitive user interface with extensive display capabilities.

Specifications

  • Year of initial development
    1998
  • Max. power consumption [W]
    70
  • Weight in air [kg]
    11
  • Width [m]
    0.488
  • Length [m]
    0.386
  • Height [m]
    0.19
  • Min. external DC power [V]
    12
  • Max. external DC power [V]
    15
  • Portability
    Portable, Desktop, Rack
  • Software platform
    Other, Tablet PC, Windows Mobile, Windows Vista, Windows XP
  • Max. depth of operation [m]
    3000
  • Min. frequency [kHz]
    30
  • Max. frequency [kHz]
    500
  • Number of simultaneous frequencies
    4
  • Depth resolution [m]
    0.01
  • Max. sounding rate [Hz]
    25
  • Sound Velocity
    Manual (1400 to 1700 m/s) • Calculated from temperature and salinity • Calculated from temperature sensor and salinity • Read from sound speed probe
  • Ping Rate
    Maximum 40 per second
  • Pulse lengths and maximum resolution
    500 kHz: CW 32 to 512 µs, FM, accuracy: 0.3 cm • 200 kHz: CW 64 to 1024 µs, accuracy: 0.6 cm • 38 kHz: CW 256 to 4096 µs, accuracy: 2.4 cm • 15 kHz: CW 512 to 8192 µs, accuracy: 4.9 cm • 10 kHz: CW: 1 to 16 ms, accuracy: 9.8 cm
  • Power Supply
    Voltage requirement: 12 to 15 VDC, 5A A suitable power supply for 220/110 VAC operation is provided with the delivery.
  • Min. depth of operation [m]
    0.2
  • Remote operation capability
    Y
  • Supported external data inputs
    heave, position, tide
  • Marking of events and other annotations
    Y
  • Real-time sound velocity and temperature profile inclusion
    Y
  • Real-time coupling to survey/post-processing software
    Y
  • Data displayed in real time
    Depth; along-track slope; second layer detection with high/low frequency
  • Data output options
    Raw; corrected echogram data
  • Data output formats
    NMEA; xyz (xtf forthcoming) ; Supported datagram formats for depth output: DBS, DBT, DPT, Simrad, Atlas and Hymas; Export file formats: Raw data, xtf, SEG-Y, xyz, echogram and EA400 formats
  • Connectors
    LAN, RS232, USB
  • Internal data logging details
    HDD
  • Main use of the system
    Shallow and mid water hydrographic surveys, fisheries research. Can be integrated with side scan sonar, multibeam echosounders and sub-bottom profilers
  • Display range
    1 to 12,500 m
  • Transducer range
    10 to 500 kHz
  • Sub-bottom range
    10 to 30 kHz at range 300 m
  • Transceiver
    Transceiver: Ethernet communication
  • Ethernet
    Ethernet to ship’s network
  • Sensors
    GPS, gyro, motion, speed, temperature, and sound speed
  • Remote control
    Remote stop/start logging available on serial line or network
  • Main control
    Mouse, trackball or touch screen on a comprehensive menu system
  • Menu languages
    English, German, French, Icelandic, Norwegian, Spanish
  • Min. operating temperature [°C]
    0
  • Max. operating temperature [°C]
    50
  • Min. storage temperature [°C]
    -40
  • Max. storage temperature [°C]
    70
  • Relative humidity
    5 to 95% relative non-condensing

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