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Simrad PI32

100

857-164636 / Rev.A

PS Catch sensor

Purpose

The PS Catch sensor detects when the trawl has been filled

with fish. The sensor monitors the opening of the meshes in the

cod end, and will be activated once the volume caught is enough

to pull the detector wires.

Catch sensor principle: Three sensors are

mounted at the cod end of the trawl to detect the

amount of fish caught.

Main parts

(A) = Negative charging / fastening lug

(B) = Positive charging / fastening lug

(D) = Location of sensor lamp

(E) = Water switch sensor

(F) = Detection wires

Daily operation

To monitor the filling rate, we recommend that

you use minimum two sensors. The first sensor is

located at the far end of the cod-end indicating

that the trawl is fishing, while the second sensor

tells when to haul. Due to the fish m oving back

and forth in the cod-end, the sensor will normally

change status (on/off) several times until the

volume caught keeps the opening of the meshes

stable.

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Simrad PI DEPTH Dokumentacja Strona 112