# State the principle of ultrasonic flow meter

State the principle of ultrasonic flow meter

## 1 Answer

### Answer :

Principle of ultrasonic flow meter: In ultrasonic flow meters, the measurement of flow rate is determined by the variation in parameters of ultrasonic oscillations. Time Difference Type ultrasonic flow meters measure flow by measuring the time taken for ultrasonic wave to transverse a pipe section, both with and against the flow of liquid within the pipe.

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