12
ST60+ Depth Instrument Owner’s Handbook
Other transducer types are also available for specific requirements. For further
details, contact your local Raymarine dealer.
For accurate depth readings the transducer should be sited within the clear water
flow areas indicated by the shaded areas in the following diagram.
The transducer should also:
• Be ahead of the propellers (by a minimum of 10% of the water line length).
• Be at least 6 in (150 mm) away from the keel (ideally ahead of the keel if a sail-
ing yacht).
Hull material
Transducer type
Glass reinforced plastic (GRP)
31-188-4-02 Through hull plastic
M78718 Retractable through hull
Steel
31-188-4-02 Through hull plastic
M78718 Retractable through hull
Aluminium
31-188-4-02 Through hull plastic
M78718 Retractable through hull
Wood
31-188-4-02 Through hull bronze
M78719 Retractable through hull
Sailing vessel
Planing power
vessel
Displacement power
vessel
Transducer siting
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