echo sounder

How to sign: a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return; sonar is an acronym for sound navigation ranging; asdic is an acronym for anti-submarine detection investigat

Sorry, no video found for this word.

Similiar / Same: sonar, asdic

Categories: measuring device, measuring instrument, measuring system, navigational instrument