EA440
Single beam echo sounder
EA440 is a high performance hydrographic wide band single beam echo sounder. The EA440 echo sounder is developed for hydrographic use in shallow to medium depth waters. First and foremost, EA440 provides precise and reliable depth measurements. But it also has highly versatile functionality that makes the EA systems useful for several lighter survey applications, such as for sidescan and sub-bottom surveys in shallow waters. EA440 supports transducers with frequencies from 30 to 500 kHz, which makes EA440 ideal for shallow to medium water depths. Transducers with frequencies down to 10 kHz can be used, but range limited to max 300 meters . This feature is useful for e.g. sub bottom investigations.
The following key components are necessary for EA440:
- Wideband transceiver
- Singlebeam transducers
- EA440 software
- Transducer licenses
The Wideband transceiver
Available in two different variants: WBT standard (4 channels @500 Watts each, frequencies 10-500 kHz) and WBT high power (2 channels @2000 Watts each, frequencies 10-50 kHz).
EA frequency range: 30-500 kHz
Singlebeam transducers
The EA system can be used with a lot of singlebeam transducers, ranging from 10-500 kHz. KONGSBERG offers a wide range of transducers suitable for most types of singlebeam applications, including sidescan transducers and low frequency transducers, both suitable for the high depths as well as for sub-bottom imaging.
In addition, the EA software supports a wide range of 3rd party transducers. This may e.g. be useful for installations where transducers already are installed. Note though, that the physical parameters used for transmitting and receive needs to be known for optimal use of 3rd party transducers.
Software
The EA440 software is a user friendly and intuitive program that can be run on Windows 11 computers, laptop PC or tablets.
Transducer licenses
Each WBT channel to use requires a software license generated for the applicable transducer.
Key features
- Applications from 0.2 m to 3000 m water depths
- Supports portable and hull mounted sidescan and sub-bottom light for shallow waters
- Wide Band Transceiver with 4-channel standard
- Communicates with a standard Windows 10 computer via an ethernet link
- Powered by a 12-15 VDC power supply
- Offers wide band frequency sweep (FM) and advanced signal processing
- User-friendly software with map display for tracking coverage and internal storage of raw sample data
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