Electrochemical flowmeter
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United States of America Patent
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-
Feb 18, 1986
Grant Date -
N/A
app pub date -
Oct 1, 1984
filing date -
Oct 1, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for measuring the velocity of flow of a liquid comprises electrodes over which the liquid flows. A chemical emitting electrode is mounted so as to contact the liquid at a first point and is supplied with periodic input pulses by a current pulse generator such that chemicals are caused to be periodically generated on its surfaces. A second chemical detecting electrode is mounted downstream of the first point. The second electrode is connected to a potentiostatic circuit which produces an output signal when it detects the arrival of chemicals produced by the first electrode. A circuit measures the time between an input pulse and the corresponding output signal such that the velocity of the flow of the liquid can be determined.
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