DE3909851

An apparatus (1) is used to determine the dielectric properties of materials. A coil (3) produces a magnetic alternating field which permeates the specimen to be examined. The changes in the alternating field due to the electrical properties of the specimen are measured. During the measurement opera...

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Bibliographische Detailangaben
1. Verfasser:	HALSTRUP, ERWIN, 7815 KIRCHZARTEN, DE
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	An apparatus (1) is used to determine the dielectric properties of materials. A coil (3) produces a magnetic alternating field which permeates the specimen to be examined. The changes in the alternating field due to the electrical properties of the specimen are measured. During the measurement operation, the field coil (3) can be placed next to the specimen (5), making contact-free and, consequently, nondestructive measurement of a test piece possible. The apparatus is particularly suitable for measuring moisture in test pieces, for concentration measurement and for gas analysis. The apparatus, which may also be of transportable construction, is particularly suitable for series and continuous measurements.