Installation manual
Howtoinstallthetransducer
Figure8Physicallocationofblister AKeel
BTransducerblister
CHorizontaldistancebetweenkeeland
blister
DV erticaldistancebetweentheblister
surfaceandthekeel
Observethehorizontalandvertical
distances(CandD)betweenthekeeland
thetransducerblister.Onamediumsized
vessel,thehorizontaldistance(C)should
beapproximately1meter.Theverticaldistance(D)mustingeneralbeassmallas
possible.Thisisimportanttopreventthekeelfromshadowingthetransducerbeam
inshallowwaters.
Transducerinstallationinboxkeel
Vesselswithaboxkeelmayusethisfortransducerinstallation.
Theboxkeelisalreadythedeepestpartofthevessel.Iftheboxkeelistoonarrowto
accommodatethetransducer,itcanbewidened,eithersymmetricallyortoonesideonly.
Inthelastcasetheinstallationcouldalsobedescribedasablistermergedintothekeel.
Usemountingplatewheneverprovided
Certaintransducersmaybeprovidedwithamountingplate,orwithdrawingstoallow
forlocalproductionofthis.
Themountingplateisweldedtotheholepreparedforthetransducer.Boltsthroughthe
transducerbodyintothemountingplatewillsecurethetransducer.
Smoothsurfaceisimportant
Mountingscrewsorboltsmustnotbeextrudingfromthetransducerorthearea
immediatelyaroundit.
Makesurethatthesurfaceofthetransducerface,theinstallationhardwareusedtomount
it,thehullplatingandtheputtyaroundthetransducerisasevenandsmoothaspossible.
Obstructionsonthesesurfaceswillcreateproblemswithturbulentow.
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