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When the sonar and echo sounder tell you how deep the school goes, it is good to know that you can place your fishing gear at the same depth. And even better, you can monitor and hold the desired depth. The design is rugged and award winning, and the sensor is available for three different depth ranges.
The PI Depth sensor provides information about the current depth and the depth changes of your gear.
Bottom trawl: On a bottom trawl, you will use the sensor to achieve full control when shooting, and to position the trawl on the slope.
Pelagic trawl: During pelagic trawling, you know how important it is to position the trawl relative to the largest concentration of fish. By using a Depth sensor, you can monitor the exact depth relative to the surface, and adjust the trawl depth accordingly. Additional depth sensors on the doors will monitor if the doors stay at the same depth.
Purse seine: During seining, use the Depth sensor to monitor the depth of the net, and the descending speed of the net. Then you will know when to start pursing, and which speed to use.
Danish seine: Mounted on a Danish Seine the Depth sensor monitors the sinking speed of the net, and it will tell you when to start hauling once the net has stopped sinking.