Measuring device and conductivity measuring device for...

G - Physics – 01 – F

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G01F 23/24 (2006.01) B01D 35/143 (2006.01) G01F 13/00 (2006.01)

Patent

CA 2614933

The invention relates to a measuring device (10) for determining flow capacities d(V(z)) of electroconductive liquids having a conductivity LF through a container (5) in the event of vertically (z direction) variable levels. The inventive measuring device is a conductivity measuring device comprising, inter alia, at least two electrodes (30a, b) extending in the z direction. The container (5) and/or the conductivity measuring device (10a) is/are embodied in such a way that they can be described by at least one parameter function f p1 (V(z)) dependent on V(z). At least one of said parameter functions must have an exponential dependence on V(z). The invention also relates to a measuring element (20) and a method for determining the total flow capacity d(V).

L'invention concerne un dispositif de mesure (10) destiné à déterminer des débits d(V(z)) de liquides électroconducteurs présentant une conductibilité (LF) à travers un récipient (5) lorsque des hauteurs de niveau varient dans le sens vertical (sens z). Un dispositif de conductométrie est prévu, lequel dispositif présente, entre autres, au moins deux électrodes (30a, b) s'étendant dans le sens z. Le récipient (5) et/ou le dispositif de conductométrie (10a) est/sont conçu(s) de façon à pouvoir être décrit(s) par au moins une fonction paramétrique fp1 (V(z)) dépendant de V(z). Au moins une de ces fonctions paramétriques doit dépendre de V(z) de façon exponentielle. L'invention concerne également un élément de mesure (20) ainsi qu'un procédé pour déterminer le débit total d(V).

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