Trawl Resistant Shield – Model DK30

Model DK30-XxxxB
Model shown is configured for a Sontek 250kHz ADP, with battery pack.

Product Details

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 DK30 series is designed for use in the harshest environment. 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.
  •  Optional mast is used for lowering in deeper water.
  •  Hold-down pads and a cable passage are provided on diver-deployed units.
  •  Weight less than 220 lbs (100 kg) in air.

  Series DK30


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