ultrahelimuundur
muundur/sond, mille mõõteprintsiip põhineb üle 20 KHz ultraheli lainete kiirguse vastuvõtmisel ja muundamisel, transducer whose operating principle is based on emitting and receiving ultrasonic waves over 20 kHz, source or receiver of ultrasonic energy, device used to generate and detect the ultrasound signals within the meter
