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a water meter measures the water consumed , which is expressed in ?

Sagot :

Answer: Transducer

Step-by-step explanation: Ultrasonic water meters use one or more ultrasonic transducers to send ultrasonic sound waves through the liquid to determine the velocity of the water. Since the cross-sectional area of ​​the meter body is a fixed and known value, when the water velocity is detected, the volume of water passing through the meter can be calculated with very high accuracy.