What is Transducer of Echo-Sounder?

Magneto-Striction is an effect which occurs in all ferromagnetic material, but particularly pronounced in iron, nickel and cobalt.
  • These items when placed in a magnetic field change their length.
  • Conversely, when subjected to physical stress they generate an emf.
  • When alternating current is used to create a magnetic flux, the transducer will vibrate producing a sound pulse.
  • Sighting of the Transducer
    • Away from noise sources and areas of turbulence like the propeller and discharges.
    • Away from aeration which is caused due to bubbles generated by the bow wave or irregularities on the hull, log tubes and discharge orifices.

echo sounder transducer


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