394149/C
23
Splitbeam,widebandanddepthrated
transducers
Simradtransducersaredesignedtoworkoptimallyacrossalargebandwidthandin
demandingenvironments.Forscienticechosounders,wedividethefeaturesofthe
transducersintothreemaincategories;splitbeam,widebandanddepthrated.Several
transducerswilltmorethanonecategory.
Topics
Splitbeamtransducers,page23
Widebandtransducers,page24
Depthratedtransducers,page25
Physicaldimensionsversusbeamopening,page26
Splitbeamtransducers
Asplitbeamtransducerisdesigntotransmittheacousticpulseusingonebeam,while
receivingtheechoesinthreeorfourindividualchannels.
Variationsinphaseofthereturnedechoesenableustolocatethetargetwithintheacoustic
beam.Onceyouknowthelocationofatargetyoucanmakeupforvariationsinthebeam
patterns,andintheendyoucanrecordcalibratedtargettrackswithintheacousticbeam.
Simradcommercializedthistechnologyinthe1980’s.Oursplitbeamechosoundersare
nowusedtorecorddataformarineresourcemanagementworldwide.
FormoreinformationaboutthesplitbeamtransducersprovidedbySimrad,consultour
website.
•http://www.simrad.com
ThefollowingsplitbeamtransducersarerecommendedfortheSimradEK80Wideband
scienticechosounder.
Model
OrdernumberNominalfrequency
(kHz)
OpeningangleMaterial
ES18KSV-0886941811°
Ceramic
ES38-10KSV-2027143810°
Ceramic
ES38-7321842387°
Ceramic
ES70-7CKSV-203678707°
Composite
SimradEK80
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