Installation manual

Installation manual
Table of contents
INTRODUCTION ................................................................ 5
TRANSDUCER LOCATION .................................................. 6
Go deep.....................................................................................................................6
Vessel heave .............................................................................................................6
Noise from protruding objects on the hull................................................................6
Boundary water l ayer ...............................................................................................7
Propeller noise..........................................................................................................7
Inclination of the transducer face .............................................................................8
Summary and general recommendation...................................................................8
WAYS OF MOUNTING THE TRANSDU CER......................... 10
Transducer blister ...................................................................................................11
Box keel..................................................................................................................17
Flush mounting in a steel tank................................................................................19
Acoustic window....................................................................................................21
Inside the hull .........................................................................................................23
Drop keel ................................................................................................................25
Retractable t ransducer ............................................................................................26
CABLE GLANDS ..................... .......................................... 27
Order numbers........................................................................................................27
Cable gland for steel hulls......................................................................................28
Cable gland for wood or GRP hulls .......................................................................29
Cable glands for small hulls ...................................................................................30
Cable s plicing .........................................................................................................31
STEEL CONDUIT.............................................................. 32
HANDLING AND MAINTENANCE ...................................... 33
Approved anti-fouling paints..................................................................................34
DRAWING FILE .............................................. ................. 35
Single frequency, single beam, low power transducer connection.........................36
Outline dimensions.................................................................................................37
Mounting arrangement ...........................................................................................38
Mounting ring.........................................................................................................40
Blister assembly .....................................................................................................42
Blister design..........................................................................................................44
305270/A 3