Capacitive Analysis of a Moving Test Material

The capacitive measuring circuit for a moved elongated test material contains at least two measuring capacitors, each of which is configured for receiving the test material. It further contains electrically actuatable selection means, by means of which one of the measuring capacitors can be selected...

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Bibliographische Detailangaben
Hauptverfasser: GEHRIG RETO, KOLLER BEAT, BLEISCH KARL
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The capacitive measuring circuit for a moved elongated test material contains at least two measuring capacitors, each of which is configured for receiving the test material. It further contains electrically actuatable selection means, by means of which one of the measuring capacitors can be selected in such a way that only the selected measuring capacitor contributes to the measurement, whereas the other measuring capacitors do not. As a result, the total capacitance of the measuring circuit is reduced and its sensitivity is increased.