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Installation manual

Simrad 50-7
50 kHz Single beam transducer

M A X I M I Z I N G Y O U R P E R F O R M A N C E A T S E A

www.SIMRAD.com

Содержание 50-7 - REV B

Страница 1: ...Installation manual Simrad 50 7 50 kHz Single beam transducer M A X I M I Z I N G Y O U R P E R F O R M A N C E A T S E A www SIMRAD com...

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Страница 3: ...w to install the Simrad 50 7 Single beam transducer The information must be regarded as general guidelines and recommendations only The installation shipyard must design and manufacture installation h...

Страница 4: ...r any errors or omissions Warning The equipment to which this manual applies must only be used for the purpose for which it was designed Improper use or maintenance may cause damage to the equipment a...

Страница 5: ...lush mounting in a steel tank 19 Acoustic window 21 Inside the hull 23 Drop keel 25 Retractable transducer 26 CABLE GLANDS 27 Order numbers 27 Cable gland for steel hulls 28 Cable gland for wood or GR...

Страница 6: ...Simrad 50 7 4 305270 A...

Страница 7: ...the proper authorities Transducer order number KSV 203665 A cable gland kit for steel hull is included with the delivery Other cable glands must be ordered separately Transducer installation The next...

Страница 8: ...ducers Cavitation is the formation of small bubbles in the water due to the resulting local pressure becoming negative during parts of the acoustic pressure cycles The cavitation threshold increases w...

Страница 9: ...bubbles in the water Furthermore air bubbles in the sea water are pressed down below the hull and mixed into the boundary layer The boundary layer is thin underneath the forward part of the vessel an...

Страница 10: ...when the vessel is in normal trim as this will provide the most accurate echo information However it is also very important that the water flow over the transducer face is laminar In order to ensure...

Страница 11: ...the hull length at water line L If the vessel hull has a bulbous bow this may well be a good transducer location but also here must be taken into consideration the flow pattern of the aerated water O...

Страница 12: ...sducer These are the recommended methods to mount a circular transducer Topics Transducer blister on page 11 Box keel on page 17 Flush mounting in a steel tank on page 19 Acoustic window on page 21 In...

Страница 13: ...mping ring fits around the edge of the transducer body Bolts through the clamping ring into the mounting ring will then secure the transducer between them Note that several transducers use direction g...

Страница 14: ...port bar E is used to support the transducer The purpose of this support is to prevent the transducer from being pushed up into the blister in heavy seas CD017010A H E E K G B D A C F J I A Streamline...

Страница 15: ...rinciples as for a large transducer apply E E A C G D F B CD017010B A Streamlined blister B Mounting ring C Clamping ring D Guide E Air outlet F Forward G Transducer cable Note that the transducer cab...

Страница 16: ...out a clamping ring which makes it necessary to use a different mounting ring design A B C H F E E G D I CD017010E A Streamlined blister B Mounting ring C Bolt D Self locking threads E Air outlet F Fo...

Страница 17: ...o the mounting ring using threaded rods The transducer cable penetrates the hull in a stuffing tube Leave an adequate loop of the cable behind the transducer for easy mounting or removal of the transd...

Страница 18: ...ce X should be approximately 1 meter The vertical distance Y must in general be as small as possible This is important to prevent the keel from shadowing the transducer beam in shallow waters CD17010D...

Страница 19: ...is welded to the hole in the box keel while the clamping ring fits around the edge of the transducer body Bolts through the clamping ring into the mounting ring will then secure the transducer between...

Страница 20: ...figure below illustrates a symmetrical box keel installation CD17011A A B D C E A Box keel B U shaped support bar only required on large transducers C Stuffing tube D Cable in steel conduit E Cable s...

Страница 21: ...ansducer between them Note that several transducers use direction guides to allow correct mounting Smooth surface Mounting screws or bolts must not be extruding from the hull plating Ensure that the s...

Страница 22: ...nsducer mounting in a steel tank is shown in the figure below CD17012A B A G C D E F A Steel tank B Water C Drainage hole D Cable service loop E Steel tube for air outlet F Stuffing tube G Cable in st...

Страница 23: ...the clamping ring fits around the edge of the transducer body Bolts through the clamping ring into the mounting ring will then secure the transducer between them Note that several transducers use dire...

Страница 24: ...unted inside the tank behind a strong acoustic window which could be made of polycarbonate The tank is filled with oil CD017012B B A C G D E F A Steel tank B Oil C Acoustic window D Cable service loop...

Страница 25: ...or advice In addition to the loss the beam pattern is degraded because a larger area of the hull is set into vibrations Mounting and clamping rings Circular transducers may be provided with mounting a...

Страница 26: ...the figure below is mounted inside the hull The tank is filled with oil CD017012C B A C D E F G H A Steel tank B Oil C Hull plating D Cable service loop E Stuffing tube F Cable in steel conduit G Hol...

Страница 27: ...ers Such instrument keels have been built mainly on research vessels often protruding as far as three meters below the hull At that depth the water is free of air bubbles up to very high sea states Th...

Страница 28: ...s with a hull where it is difficult or impossible to install a blister it may still be worth while The principles of a hull unit with a retractable transducer is shown below Vessels without a keel and...

Страница 29: ...inding suitable areas of the hull for mounting transducer cable glands due to existing water tanks concrete ballast or other obstacles A possible solution in such cases is to run the transducer cables...

Страница 30: ...e that you do not damage the transducer cable by tightening the packing nipple too hard F Cable to the echo sounder or a junction box The cable gland kit includes all of the necessary parts needed to...

Страница 31: ...Hole diameter 28 mm E Steel conduit F Cable to the echo sounder or a junction box The cable gland kit includes all of the necessary parts needed to install the unit except screws Simrad recommends th...

Страница 32: ...astic disk D Rubber gasket E Stuffing tube F Backing nut bronze G Backing washer plastic H O ring 42 5 x 3 0 N I O ring 39 5 x 3 0 N J Cable to the echo sounder or a junction box Stuffing tube hole di...

Страница 33: ...the wires together with only electrical tape for insulation as this will result in electrical noise and reduced operational performance To splice the cable use a metal junction box The chassis of the...

Страница 34: ...ust be unbroken and watertight from the transducer to above the water line From there the cable can be pulled further or a junction box can be installed to facilitate further connections Note that the...

Страница 35: ...nt may be applied to the transducer face Because some paint types may be aggressive to the polyurethane in the transducer face please consult Simrad s list of approved paints Note Arctic tanks have ac...

Страница 36: ...Marine Coatings Address World wide offices Wesite www international marine com 1 Intersleek tie coat 425 FCS BXA386 BXA390 BXA391 Grey HKA563 HKA570 HKA571 Yellow Mix BXA386 BXA390 and BXA391 first th...

Страница 37: ...ted into the mounting ring The original installation drawings are available on PDF and AutoCad format Visit www simrad com to download In addition to the drawings available in this chapter an addition...

Страница 38: ...ower output is achieved when the GPT is equipped with a single transmitter board In most systems this will result in a 2 kW output power but older GPTs may only be capable of supplying 1 kW M E F J H...

Страница 39: ...ons 340 Cable length 20 m Cable diameter 10 9 mm 310 150 71 30o 150 100 12 R5 18 12 336 5 CD017015J Page 1 of 1 834 203644 Rev B Note All measurements are in mm unless otherwise specified The drawing...

Страница 40: ...rawing is not in scale WARNING lift the transducer by the cable Do not Air outlet Self locking threads Washer Bolt M10x100 Maximum torque 31 Nm FORWARD Steel blister to be manufactured by the installa...

Страница 41: ...cho sounder above water level Recommended transducer location Approx 3 deg X Min X 4 Minimum 400 mm Steel conduit Recommended to minimize electrical interference Minimum inside diameter 35 mm Wall thi...

Страница 42: ...in accordance with Simrad procedure 842 202125 Self lock taps can be supplied by Simrad Surface treatment 1 Sand blast to SA 2 5 2 One coating of red ferric oxide primer 0 2 CD017015G Page 1 of 2 871...

Страница 43: ...21 1 Material St 52 3N DIN 17100 Round steel or plate 125 1 155 1 348 1 360 1 45 Chamfer 3 x 45 100 0 0 5 342 0 5 0 CD017015G Page 2 of 2 871 203337 Rev B Note All measurements are in mm The drawing...

Страница 44: ...ts are in mm The drawing is not in scale Surface treatment To avoid acoustic noise it is very important that the surface of the blister is smooth Avoid cracks dents and other unevenness 1 Sand blast a...

Страница 45: ...ing file Air vent holes R25 to 50 mm 100 243 Depends on dead rise Minimum 400 mm B A A B B B CD017015H Page 2 of 2 830 203430 Rev B Note All measurements are in mm The drawing is not in scale 305270 A...

Страница 46: ...R150 23 15 10 30 45 5 Bottom plate must be smooth and even 1 No concavity is accepted 2 Maximum convexity is 3 mm 3 Small local hollows max 1 mm can be accepted CD017015I Page 1 of 2 871 203432 Rev A...

Страница 47: ...A Minimum 400 mm Height depends on dead rise Materials Steel plate Fe 510 D1 St 52 3 N 6 and 10 mm R10 10 6 6 CD017015I Page 2 of 2 871 203432 Rev A Note All measurements are in mm The drawing is not...

Страница 48: ...beam transducer 36 GRP hull cable gland 29 H Handling 33 Heave vessel 6 I Inclination angle 8 Installation drawings 35 L Layer boundary 7 Location recommendation 8 transducer 6 M Maintenance 33 Mounti...

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Страница 52: ...82 8066 075 5 ISBN 13 978 82 8066 075 6 2006 Simrad Strandpromenaden 50 P O Box 111 N 3191 Horten Norway Simrad Horten AS Telephone 47 33 03 40 00 Telefax 47 33 04 29 87 simrad sales simrad com www si...

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