ENSEMBLE DE MESURE D'HYPERFREQUENCES DONNANT UNE MESURE DE LA DENSITE D'UN PRODUIT

The invention relates to a measuring arrangement for measuring the density of a product by means of microwaves. The measuring arrangement comprises a first microwave resonator, from which, in operation, microwaves enter a product area, and a device for compensating for environmental influences and d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PETERS STEFFEN, KNOCHEL REINHARD, TAUTE WOLFGANG, DOSCHER CLAAS
Format: Patent
Sprache:fre
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Beschreibung
Zusammenfassung:The invention relates to a measuring arrangement for measuring the density of a product by means of microwaves. The measuring arrangement comprises a first microwave resonator, from which, in operation, microwaves enter a product area, and a device for compensating for environmental influences and disturbance variables affecting the measuring signal of the first microwave resonator. According to the invention, the compensation device comprises a second microwave resonator, which is shielded towards the product area with respect to microwave radiation.