14 ST60 Tridata Instrument Owner’s Manual
Other transducer types are also available for specific requirements. For
further details, contact your local Raymarine dealer.
For accurate speed and depth readings the transducers should be sited
within the clear water flow areas indicated by the shaded areas in the
following diagram.
The transducers should also:
• Be ahead of the propellers (by a minimum of 10% of the water line
length).
• Be at least 150 mm (6 in) away from the keel (ideally ahead of the
keel if a sailing yacht).
Hull material Speed transducer Depth transducer
Glass reinforced
plastic (GRP)
M78712 Through hull plastic M78713 Through hull plastic or
M78718 Retractable through hull
Steel M78712 Through hull plastic M78713 Through hull plastic or
M78718 Retractable through hull
Aluminium M78712 Through hull plastic M78713 Through hull plastic or
M78718 Retractable through hull
Wood M78716 Through hull bronze M78714 Through hull bronze or
M78719 Retractable through hull
bronze
Sailing vessel
Planing power
vessel
Displacement power
vessel
Transducer siting
D4349-1
81040_1.book Page 14 Thursday, November 7, 2002 10:21 AM
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