Humidity measuring device and method

The sensor unit (10) includes conventional temperature sensing (12) and heating, in addition to the capacitive humidity sensor (11). Electronics (20), especially a microprocessor following the sensor, determine the heating power consumed, the local sensor temperature (TS) and the ambient temperature...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MITTER, HELMUT
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	The sensor unit (10) includes conventional temperature sensing (12) and heating, in addition to the capacitive humidity sensor (11). Electronics (20), especially a microprocessor following the sensor, determine the heating power consumed, the local sensor temperature (TS) and the ambient temperature (T a). From these, the relative humidity (rH) is measured.