Simrad EK80 - Using a Steel Conduit to Protect the Transducer Cable

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Usingasteelconduittoprotectthetransducer
cable
Asteelconduitisusedtoprotectthetransducercable.
Itisstronglyrecommendedtolayasteelconduitfromthecableglandabovethetransducer
totheEK80transceiver,andtopullthetransducercablethroughthisconduit.
Thereareseveralreasonsforthis.
•Itwillmakeiteasieratalaterstagetoreplacethetransducer.
•Itwillprotectthecables.
•Noiseandinterferencefromotherelectricalequipmentisgreatlyreduced.
•Theriskofoodingisgreatlyreducedwhenthesteelconduitisterminatedabovethe
waterline.
WithasteelconduittheinstallationwillsatisfytheEuropeanUnionregulationsfor
electromagneticcompatibility(EMC)interference.Withoutasteelconduit,thereisariskof
reducedEK80performance.
Steelconduitqualityandshielding
Thesteelconduitmustbeunbrokenandwatertightfromthetransducertoabovethewater
line.Fromthere,thecablecanbepulledfurther,orajunctionboxcanbeinstalledto
facilitatefurtherconnections.
Note
Thesteelconduitmustactasacontinuouselectricalscreenalltheway.
Iftwoormoretransducersareinstalledclosetoeachotheritispossibletopulltheircables
inthesamesteelconduit,providedtheconduitdiameterisincreasedaccordingly.However,
foreasyreplacementitisrecommendedthateachtransducerhasitsownsteelconduit.
Steelconduitminimumdimensions
Thedimensionsofthesteelconduitmustbespeciedand/orveriedbytherelevant
maritimeauthorityand/orclassicationsociety.Theminimumdimensionsare:
•35mminnerdiameter
•6mmwallthickness(4.5mmifgalvanized)
Cablelayoutandinterconnections