PI Sensor finder

Door spread measurements

The distance between the trawl doors are important during all trawl fishing. Dedicated sensors have been developed to measure this distance, and these can be used for both single and twin trawl applications.

PI Spread

The PI Spread sensor is a single measurement sensor. It must be paired with a PI Remote or PI Remote/Depth sensor, and uses a transverse communication link to measure the distance between the two trawl doors.


PI Twin Spread

The PI Twin Spread sensor is a single measurement sensor dedicated for twin trawls. It must be paired with two PI Remote or PI Remote/Depth sensors, and uses two transverse communication links to measure the distance between the trawl doors.


PI Spread/Depth

The PI Spread/Depth is a dual measurement sensor. It measures both the distance between the trawl doors and the current depth of the trawl door. The sensor must be paired with a PI Remote or PI Remote/Depth sensor, and it is mainly deigned for pelagic and bottom trawls.


PI Remote/Depth

The PI Remote/Depth is a dual measurement sensor. It measures both the distance between the trawl doors acting as a "slave", and the current depth of the trawl door. The sensor must be paired with a PI Spread or PI Spread/Depth sensor, and it is mainly deigned for pelagic and bottom trawls.


 
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