Trawl Resistant Shield – Model DK20

Model DK20-xxxB
Gimbal and Pop-up Buoy can be seen

Product Details

Trawl Resistant Shield – Model DK20

Specifically designed to protect the new generation of ADP’s and ADCP’s from fishing gear depredation, available in several models for any application.


  • The DK20 series is designed for use in harbours, estuaries, and semi-protected waters. Other models are available for virtually any application.
  • Deflects fishing gear up and over sea-bed deployed electronics.
  • Recoverable and reusable.
  • Available in lowered, diver deployed and free fall models.


  • The shield is a truncated pyramid, built of marine grade aluminium, with 316 stainless fittings.
  • The instrument is mounted in the centre of the shield, in a gimbal with 200 travel.
  • The shield utilises a pop-up buoy and acoustic release for retrieval.
  • Ballast of lead shot is used to balance the shield. Ballast can be added or removed as required, depending on what optional batteries and instrumentation are installed.
  • Hand holds are provided for lifting, retractable rods and guides are used for lowering.
  • Hold-down pads and a cable passage are provided on diver-deployed units.
  • Weight less than 130 lbs (60 kg) in air.

  Series DK20


General Arrangement - DK20-xxxxB

Related Projects

Back to Top