= Ultrasonic flow meter
{wiki=Ultrasonic_flow_meter}
An ultrasonic flow meter is a device used to measure the flow rate of liquids or gases by utilizing ultrasonic waves. These instruments operate on the principle of ultrasonic sound waves, which are high-frequency sound waves typically outside the range of human hearing (above 20 kHz). There are two main types of ultrasonic flow meters: 1. **Transit Time Ultrasonic Flow Meters**: These measure the time it takes for an ultrasonic pulse to travel upstream and downstream through the fluid.
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