Filling level determination method using resistance alterations of positive temperature coefficient resistors

Filling level determination method using resistance alterations of positive temperature coefficient resistors

The method measures the resistances of positive temperature coefficient (PTC) resistors. The filling level is determined using the difference of the resistance of two adjacent resistors with PTCs. The PTC resistors are distributed over the entire measuring range in variable groups. The resulting tot...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SCHULZE, STEPHAN, 40880 RATINGEN, DE
Format: Patent
Sprache:eng ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
RESISTORS
TESTING
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Beschreibung
Zusammenfassung:The method measures the resistances of positive temperature coefficient (PTC) resistors. The filling level is determined using the difference of the resistance of two adjacent resistors with PTCs. The PTC resistors are distributed over the entire measuring range in variable groups. The resulting total resistance of a group forms the filling level dependent measurement signal.