360° trawl sonar with integrated echosounder

High resolution presentation combined with a 360° real time view allows for continuous observation of the whole trawl opening and its surroundings.

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Trawl Sonar TS-337A

Omni trawl sonar with 360° scan with full tilt. 120 kHz frequency vertical sonar with integrated  echosounder. User defined layout that can be saved. Includes temperature sensor, depth sensor, pitch & roll sensor and catch sensor interface for 1-4 catch sensors.

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Trawl sonar TS-331A

Vertical scanning sonar 180/360 ° (or other sectors). dual frequency vertical sonar, 330kHz, 10-250 m scale. Sounder: 120 kHz, 50-300 m scale. Digital signal processing, Windows based. Operated with mouse/trackball. Full Windows layout with many own user settings. Temperature sensor. Depth sensor. Roll & Pitch sensor. Up to 4 Catch Sensor Interface. Approved for depths down to 2000 m. Voltage: 220V AC.

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Catch sensor CS-400

Catch sensor for trawl sonar with approx. 1.000 operation hours in sea, with 3pcs of normal LR20 batteries. Stable signal output witch stars when sensor has seawater connections. The clock starts counting 2 minutes after activation of the tension spring. Simple indicator show how many hours the sensor has been active. User-friendly battery that can easily be done on board. Operating frequency is 70 kHz.

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