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The Simrad EK80 is the most modern "high end" split beam scientific echo sounder in the fishery scientific market.
Based on more than 60 years of research and development in close collaboration with leading marine scientists this wide band echo sounder system has succeeded the famous EK60, which became an international standard for fish stock assessment.
The Simrad EK80 can operate a large number of frequencies simultaneously ranging from 10 to 500 kHz. A wide selection of high quality accurate transducers is available.
The Simrad EK80 uses Microsoft® Windows® operating system. It can operate with single and/or split beam transducers, and provides you with a dedicated built-in application for calibration. The EK80 is specifically suited for permanent installation onboard a research vessel. It is still compact and a natural choice for portable use.
Real time echo integration and target strength analysis in an unlimited number of layers is provided as well as storage of raw data for replay or analysis in one of several post-processing software packages. Several post-processing alternatives are available for rapid survey analysis and reporting.
The echo sounder system is modular, and you can assemble any combinations of transceivers and transducers to fit your research purposes. In a typical configuration, the EK80 will comprise of:
* One Processor Unit
* One or more transceiver units
* One or more single or split beam transducers
* An Ethernet switch (Local Supply)
* A Display (Local Supply)
The EK80 can work with the Simrad General Purpose Transceiver (GPT), the Wide Band Transceiver (WBT) and the EK15 Transceiver.
The Wide Band Transceiver (WBT) is provided to transmit the acoustic energy into the water, and to receive the echoes from objects in the water column.
To do this, the transceiver computes and generates the electric signals sent to the transducer to form a transmission - a 'ping'. After each transmission, it will receive the echoes from the targets and/or the seabed. These are filtered and amplified, and then converted to digital format.
The Wide Band Transceiver (WBT) comprises a rugged box providing all necessary transmitter and receiver electronics. The receiver is designed for low noise, and it can handle input signals spanning a very large instantaneous dynamic amplitude range. All targets are correctly measured and displayed.
The WBT is designed for applications where performance is the top priority. It has four 500 W channels that can either work independently with single beam transducers, or together with a split beam transducer. The design is optimized for applications where power consumption and physical size is not critical, typically on board a research vessel or a platform with power and communication available through high speed ethernet cable.
The transceiver operates within a large frequency band, and supports single frequencies, frequency sweep (chirp) and user defined wave forms.
A high quality Ethernet cable connects the transceiver to the Processor Unit. The distance between the Processor Unit and the transceiver can be extended up to maximum 70 meters. If a longer cable is required, cut it in half, and insert an Ethernet switch to provide buffer amplification.
If more than one transceiver is used, a small high capacity Ethernet switch is required to connect the transceivers to the Processor Unit.
The Wide Band Transceiver requires an external power supply offering 12 to 15 Vdc, minimum 5 A. A suitable power supply is provided with the delivery.