METHOD FOR MEASURING THE SPEED OF A FLUID MEDIUM AND CIRCUIT FOR PERFORMING THE METHOD

Anemometer with a measuring resistor which has PTC behaviour (17) and a step characteristic, which is supplied with a voltage UF, which is exposed to the flow of the medium and whose current is used as a measured variable, the magnitude of the sensor voltage UF being varied linearly with the tempera...

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Bibliographische Detailangaben
1. Verfasser:	HANGAUER, WILFRIED
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING
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Beschreibung
Zusammenfassung:	Anemometer with a measuring resistor which has PTC behaviour (17) and a step characteristic, which is supplied with a voltage UF, which is exposed to the flow of the medium and whose current is used as a measured variable, the magnitude of the sensor voltage UF being varied linearly with the temperature of the medium nu M. The sensor voltage varies in accordance with the relationship in which nu o is any specifiable design temperature in DEG C, UO the associated voltage in volts, nu K is the step temperature of the PTC resistor in DEG C, nu M is the medium temperature and UF is the sensor voltage in volts.