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Trawl Sonar TS-332

SKU: 400000166
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The TS-332 is a stepping sonar that scans a desired sector of the trawl opening in a matter of seconds. The desired sector can be set within a full circle, and the step width can be set between 0.3 and 2.4 degrees. The TS-332 has an integrated dual-frequency 260 kHz/120 kHz echo sounder. The high frequency is well-suited for bottom trawling, while the low frequency is well-suited for pelagic trawling. Depth data from the trawl sonar can be exported and displayed on the echograms for the FCV-38 and FSS-3BB, as well as on the 3D Sonar F3D-S. Can be used with the Furuno Catch Sensor CS-400 and Marport catch sensors.

Trawl Sonar with Dual-Frequency Echo Sounder

  • Frequency: 330 kHz
  • Echo sounder frequency: 120/260 kHz
  • Depth, roll, and pitch sensor
  • Dual-screen solution for simultaneous display of sonar and echo sounder
  • Supports up to 4 catch sensors
  • Depth data export to Furuno sonar and echo sounders
  • Can share processor and power supply with TS-360

TS-332 Stepping Sonar with Integrated Dual-Frequency Echo Sounder

The TS-332 is a stepping sonar. The user can define the desired sector size within the full circle. The sonar scans the sector with a user-defined step width between 0.3 and 2.4 degrees.

The TS-332 is a 330 kHz high-frequency sonar that provides extremely high-resolution presentations. It offers excellent situational awareness of the desired sector of the trawl opening while delivering accurate bottom distance readings and highly detailed seabed structure imaging.

The TS-332 can be complemented with the Trawl Sonar TS-360, our omni trawl sonar operating at 120 kHz. Both models can share a processor and power supply. Both are compatible with the Catch Sensor CS-400.

The TS-332 stepping sonar allows the user to freely set the desired sector and step width. The TS-332 features an integrated dual-frequency 260 kHz/120 kHz echo sounder, making it well suited for both bottom trawling and pelagic trawling.

Dual-Frequency Echo Sounder Provides Greater Flexibility

TS-332 sonar image: The trawl's position relative to the seabed is clearly visible.

The TS-332 is equipped with an integrated high/low-frequency echo sounder, making it well suited for various fishing operations.

  • High frequency at 260 kHz with a 10° beam width width is ideal for bottom trawling. The higher frequency enables detailed bottom structure presentation and a clear display of the trawl’s footrope.
  • Low frequency at 120 kHz with a 20° beam provides a significantly longer detection range, making it preferable for pelagic trawling, where larger trawl openings are used and bottom structure is irrelevant.

The TS-332’s high/low-frequency echo sounder makes the sonar adaptable for multiple fisheries. The low frequency offers excellent range and is beneficial for pelagic trawling, while the high frequency provides better target separation and is suited for bottom trawling. 

Integration with Other Furuno Echo Sounders

Ekkoloddpresentasjon_trålsonar_TS-360

Depth data from the trawl sonar as displayed on Furuno echo sounder FSS-3BB.

Integration with Fishing Echo Sounders

The TS-332 depth data can be exported to compatible echo sounders such as:

The depth data is graphically displayed in the echogram, providing accurate information about the depth of both the headline and the footrope, making it easy to monitor the trawl’s position relative to the fish.

Integration with Furuno 3D Sonar

Depth data from the trawl sonar is shown in the data window in the top right corner of the image, along with dedicated depth lines in the vertical slice view, providing a good understanding of the trawl’s placement.

Sonar Integration

Both the TS-332 and TS-360 trawl sonars can be integrated with the 3D module F3D-S for  Furuno low-frequency sonar FSV-25. Furuno F3D-S presents trawl sonar depth data both as text in a data window and as symbols in the graphical display. The TS-332 transmits depth data representing the distance from the sonar to the footrope. This is presented as H DPT (head rope depth) and H-F (head rope to foot rope) in the data window, and in the verical cross-section window as dedicated depth lines labled H and F.

Related article: New version of the Furuno 3D sonar... (Available only in Norwegian)

Proper Mounting of the Sonar Is Crucial

Here the trawl sonar is attached directly to the trawl. A common issue with this method is that the sonar ends up angled downward, causing it to view slightly ahead of the trawl opening. Therefore, we recommend using a specially designed frame for better mounting.

Correct Mounting Ensures an Optimal View of the Trawl Opening

A common problem with trawl sonar mounting is that the sonar sits at a downward angle, leading it to scan ahead of the trawl opening. We have developed a specially tailored frame in which the sonar is mounted. This frame ensures correct mounting for all our trawl sonars and is recommended wherever incorrect pitch is an issue.

The Frame Provides a Better Angle

When the trawl sonar is mounted using our tailored frame, it ensures a more correct and stable angle. This improves the ability to monitor the trawl opening and footrope. The frame ensures correct mounting and improves pitch angle by up to -12°.

The TS-332 also includes a roll sensor and a useful manual roll adjustment function to fine-tune the sonar image.

 
 
Catch control
Frequency 330 kHz
Frequency sounder 120 kHz, 260 kHz
Technology Stepping sonar
Product details
Display Selectable size, addon
Power supply 100-120 VAC 60Hz, 220-240 VAC 50Hz
Connections USB, DP (Display Port), HDMI

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