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What is the minimum solid contents for velocity measurement with a submerged Doppler (ultrasonic) velocity sensor?

April 26, 2017Contents Doppler measurement minimum sensor solid submerged ultrasonic velocity

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What is the minimum solid contents for velocity measurement with a submerged Doppler (ultrasonic) velocity sensor?

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The answer depends on the Doppler sensor’s ultrasonic frequency. The higher the frequency, the better the performance in cleaner water applications. A 1 MHz Doppler sensor would be able to reliably measure velocity in flows that are as clean as 50 mg/L (ppm) of total suspended solids (TSS).