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These sensors (master and slave) measure physical distance between trawl doors during bottom and pelagic trawling, as was as door pitch angle, roll angle, water temperature around the door as well as depth of the trawl door. The master sensor communicates with slave sensors by using a transversal wireless acoustic frequency of 30.8 kHz, 100 kHz or 144 kHz. Distance information, as well as optional pitch, roll, temperature and depth measurement is wirelessly transmitted to the vessel using broadband transducers. For more information contact us on +27 21 559 4003 | [email protected]
Country
South Africa
Esaja’s “Big Business” philosophy is all about enabling you to discover and connect to trade opportunities across the continent.
Esaja
