Simrad PI54 A Dokumentacja Pobierz pdf (Strona 41)

100

101

Applications

850-165186 / Rev.B

Pelagic trawl

When used for pelagic trawling the PI54 system must have one

or more of the following sensors attached to the net: Depth

sensor(s), Bottom Contact sensor, Temperature sensor, Rip

sensor and Catch sensor(s).

The system is designed to be used with up to six sensors. We

recommend that you use a Bottom Contact sensor behind the

footrope, a Depth sensor behind the headrope, two Catch

sensors, a Temperature sensor and a Spread sensor. Sensor

configuration can be tailored to suite individual needs.

(A) = Depth sensor (headrope)

(B) = Depth sensor (footrope)

(D) = Rip sensor

(E) = Temperature sensor

(F) = (G) = Catch sensors

Using the r ecommended sensors, the PI54 system will provide

the following information:

• Optimal vessel speed with regard to net sink rate and school

location.

• When the codend is full.

• Bottom approximation to avoid net contact.

• Net opening (using two depth sensors) and damage

• Ambient water temperature at gear depth.

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Simrad PI54 A Dokumentacja Strona 41

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