60
484164/A
Using a suitable inclination angle
Ideally, the transducer face should be mounted in parallel with the sea surface 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 laminar flow, the transducer face
must be tilted slightly upwards in relation to the
water flow. This allows the flowing water to meet
the face directly, and reduces laminar noise.
The inclination angle must be determined carefully.
The angle must be small on transducer with a narrow
beam angles. As a rule of thumb, mount transducers
with beam angles smaller than seven degrees with 1
°
inclination angle. The smaller beam
angle your transducer has, the smaller the inclination angle can be.
Note
Ensure that you do not mount the transducer with a negative inclination angle. This may
cause turbulence on the transducer face, and reduce the performance of the CP200-5C
transducer.
Related topics
Preparations, page 22
Transducer installation principles, page 27
Installing the transducer, page 57
Installation summary, page 58
Smooth surface is important
Make sure that the surface of the transducer face, as well as the plating and putty around
the transducer is as even and smooth as possible. Obstructions on these surfaces will create
problems with turbulent flow, and may cause noise.
Mounting screws or bolts must not be extruding from the transducer or the plating
immediately around it. Obstructions on these surfaces will create problems with turbulent
flow, and may cause noise.
Note
Obstructions on these surfaces will create problems with turbulent flow, and may cause noise.
Simrad CP200-5C Installation Manual
Содержание Simrad CP200-5C
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Страница 104: ...102 484164 A Related topics Installing the transducer page 57 Drawing file page 94 Simrad CP200 5C Installation Manual ...
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