Fluid conductivity sensor

Details Fluid conductivity sensor Fluid conductivity sensor

G - Physics

01

R

G01R 27/22 (2006.01) G01N 27/02 (2006.01) G01N 27/07 (2006.01)

Patent

CA 2306280

A fluid conductivity sensor performs non-contacting measurements on a fluid by utilizing first and second tubes (32, 34), each of which is provided with both a driving and a sensing transformer (39, 47). The driving tranformers are poled in such a way as to drive a current in a loop joining both tubes (I1, I2). Insulating shrouds (51) are provided linking the corresponding end of the tubes and operate to obstruct in-fluid current flow not looping around the tubes.

Détecteur de conductibilité de fluide qui effectue des mesures sans contact sur un fluide grâce à l'utilisation de premier et second tubes (32, 34) dont chacun est doté à la fois d'un transformateur d'alimentation (39) et d'un transformateur de détection (47). Les transformateurs d'alimentation sont polarisés de telle manière qu'ils introduisent un courant (I1, I2) dans une boucle joignant les deux tubes. Des écrans d'isolation (51) relient les extrémités correspondantes des deux tubes et fonctionnent pour bloquer le flux de courant à l'intérieur du fluide ne décrivant pas de boucle autour des tubes.

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