G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 27/07 (2006.01) G01N 27/22 (2006.01) G01N 33/28 (2006.01)
Patent
CA 2729970
Device (2) for measuring electric parameters of a fluid (F), comprising: two measurement circuits (8, 10) for measuring, respectively, the dielectric permittivity and the electrical conductivity of the fluid (F); two electrodes (5, 5') facing each other from opposite sides of the fluid (F); a selector system (11) for alternatively connecting the two measurement circuits (8, 10) to the electrodes (5, 5'). Each electrode (5, 5') comprises two sectors (5a, 5b) suited to establish mutually separate electrical contact with the fluid (F) and the electrical conductivity measurement circuit (10) comprises two measurement sections (V, A) of different impedance, each one of which being connectable to a corresponding sector (5a, 5b) of each electrode (5, 5').
L'invention porte sur un dispositif (2) de mesure des paramètres électriques d'un fluide (F), comprenant: deux circuits (8, 10) mesurant respectivement la permittivité diélectrique et la conductivité électrique du fluide (F); deux électrodes (5, 5') situées face à face disposées de part et d'autre du fluide (F); et un sélecteur (11) connectant alternativement les deux circuits (8, 10) aux électrodes (5, 5'). Chaque électrode (5, 5') comprend deux secteurs (5a, 5b) permettant d?établir un contact séparé avec le fluide (F). Le circuit de mesure de la conductivité électrique du fluide (10) comporte deux sections de mesure (V, A) ayant une impédance différente, chaque section se raccordant respectivement au secteur correspondant (5a, 5b) de chaque électrode (5, 5').
Bernardi Stefano
Calciolari Paolo
Mcfadden Fincham
Pietro Fiorentini Spa
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