Sidescan, sub-bottom and depths
EA440 all-in-one solution
The EA440 single beam echo sounder gives the user an all in-one system for simultaneous hydrographic depths, sidescan sonar and sub bottom survey using a single topside transceiver unit and a standard PC. This is only one of many all-in-one configurations suitable for hydrographic applications in shallow waters.
The choice of transducers and licenses is the key
EA440 provides high-precisions depth measurements from very shallow waters down to approximately 3000 water depths. Range and accuracy depend on selection of transducers.
Sidescan sonar surveys are used to image objects on the seabed, e.g. wrecks, pipes and cables, boulders or obstacles that may prevent safe navigation. Sidescan is also used to monitor riverbanks, erosion, landslides and flow induced sediment deposits. Specially designed transducers for hull or over-the-side mounting are available from KONGSBERG for EA440 sidescan operation. The operating frequency is 200 kHz or 500 kHz.
Low frequency sound signals will penetrate the seabed and provide reflections from layers below the seabed. For EA440 this it exploited for providing the users with a low-cost and easy to install sub-bottom profiler. A 15 kHz transducer is normally used. Operations of the low frequency transducer is for EA440 limited to max 300m water depths.
Key features
- High performance hydrographic depths from 30 kHz to 500 kHz
- Sidescan sonar application from 100 kHz to 500 kHz
- Sub-bottom profiler application from 10 kHz to 30 kHz
- Available with high power output from 30 kHz to 50 kHz
- Extensive range of transducer interfaces, both KONGSBERG transducers and third party transducers
- Splash proof all-in-one hardware setup available
- CW and FM pulse forms
- True raw data logging
- World class bottom detection
- New map display to track you coverage
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