echo sounder

British  

noun

1. a navigation and position-finding device that determines depth by measuring the time taken for a pulse of high-frequency sound to reach the sea bed or a submerged object and for the echo to return

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Other Word Forms

• echo sounding noun

Example Sentences

It is called multibeam echo sounder technology and it can provide a 3-D topographical map of the ocean floor and any structures, including shipwrecks, that are lying there.

From Literature

“This is as exciting as it's going to get,” Warren joked as he dropped the echo sounder overboard.

From Scientific American

IN 1968, when Schindler was 4 months old, his crib was a wooden box used to ship a sonar echo sounder to a research station in remote western Ontario province in Canada.

From Science Magazine

Chile’s national fisheries service authorized Marine Harvest to use a vessel with an echo sounder, making it easier to detect schools of fish.

From Reuters

HMS Echo will have a pretty accurate fathometer - an echo sounder - to determine the depth.

From BBC