Raymarine ST60 Tridata manual Transducer siting

14		ST60 Tridata Instrument Owner’s Manual
	Hull material	Speed transducer	Depth transducer
	Glass reinforced	M78712 Through hull plastic	M78713 Through hull plastic or
	plastic (GRP)		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

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.

Transducer siting

Sailing vessel

Planing power vessel

Displacement power vessel

D4349-1

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).