Capacitive measurement device

Details Capacitive measurement device Capacitive measurement device

G - Physics

01

D

G01D 5/24 (2006.01)

Patent

CA 2430252

The invention concerns a measurement device comprising at least a measuring probe (10), means (30) for sequentially applying a controlled supply voltage between the measuring probe (10) and a reference element (20) and means (50) for integrating the electric loads accumulated on the measuring probe (10). The invention is characterised in that it further comprises means (60) for correcting the integrating stage (50) input offset.

La présente invention concerne un dispositif de mesure comportant au moins une sonde de mesure (10), des moyens (30) aptes à appliquer séquentiellement une tension d'alimentation contrôlée entre la sonde de mesure (10) et un élément de référence (20) et des moyens (50) aptes à intégrer les charges électriques accumulées sur la sonde de mesure (10), caractérisé par le fait qu'il comprend en outre des moyens (60) aptes à assurer une correction d'offset de l'entrée de l'étage intégrateur (50).

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