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Kongsberg Maritime EA400

For accurate surveying - Replaced by EA440

In addition to regular depth sounding the EA 400 hydrographic echosounder can now be employed for side looking sonar surveying. One or two 120kHz or 200kHz side looking transducers, mounted on a pole or on the side of the keel, may be utilized for excellent and accurate surveying of harbours or other relatively shallow areas.

  • Kongsberg Maritime EA400
Kongsberg Maritime
Strandpromenaden 50
3191 Horten
Norway

Description

The EA400 is replaced by the EA440. For more information about the EA440 click here.

Specifications

  • Year of initial development
    2015
  • Max. power consumption [W]
    75
  • Min. external DC power [V]
    12
  • Max. external DC power [V]
    15
  • Weight [kg]
    5
  • Width [m]
    0.44
  • Length [m]
    0.21
  • Height [m]
    0.08
  • Portability
    Portable
  • Software platform
    Tablet PC, Windows Mobile, Windows Vista, Windows XP, Other
  • Min. depth of operation [m]
    1
  • Max. depth of operation [m]
    3000
  • Min. frequency [kHz]
    10
  • Max. frequency [kHz]
    500
  • Number of simultaneous frequencies
    8
  • Min. power output [W]
    10
  • Max. power output [W]
    1000
  • Depth resolution [m]
    0.01
  • Max. sounding rate [Hz]
    30
  • 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
  • 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 display details
    NMEA; xyz (xtf forthcoming)
  • Connectors
    LAN, RS232, USB
  • Internal data logging details
    HDD
  • Main use of the system
    Hydrographic surveys, sub-bottom profiler, fishery research. Can be used with side scan sonar and sub-bottom profiler transducers. Up to 8 channels can be acquired simultaneously.

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