depth sounder

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depth sounder

[′depth ‚sau̇nd·ər]
(engineering)
An instrument for mechanically measuring the depth of the sea beneath a ship.
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A spokesman for North Wales Police said items stolen included Global Positioning System navigation units, depth sounders and outboard motors.
Other electronic improvements include more detailed fish finders and depth sounders.
Atlantic Electronics, based in Canada, is a leading marine electronics company that offers customers their own ISO certified onboard technology products including charting systems, marine radars, autopilots and depth sounders.
The AVERT system integrates the state-of-the-art sonar system with a global positioning system (GPS) receiver, marine radar, ship velocity and heading functions and depth sounders.
For marine systems, the Company has made improvements to its tide gauge, and is upgrading its depth sounders with a new Windows operating system.
The utility provides a convenient method to collect at specified intervals field observations, such as soil samples and measurements made by field sensors such as depth sounders, chemical detectors and magnetometers.