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Technical Information Proline Prosonic Flow 90U, 90W, …
fotonika.kiev.uaProline Prosonic Flow 90U, 90W, 91W, 93C, 93U, 93W Endress + Hauser 3 Function and system design Measuring principle Prosonic Flow operates on the principle of transit time difference. An acoustic (ultrasonic) signal is sent in both directions from one measuring sensor to another.