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POSTED ON August 1st  - POSTED IN Uncategorized

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.
eneral Arrangement – DK20-xxxxB

General Arrangement shows Sontek 250 kHz ADP.
Dimensions in mm.

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