Fluid contamination analyzer and sample cell therefor

Details Fluid contamination analyzer and sample cell therefor Fluid contamination analyzer and sample cell therefor

G - Physics

01

N

G01N 21/63 (2006.01) G01N 1/36 (2006.01) G01N 21/05 (2006.01) G01N 21/64 (2006.01) G01T 1/167 (2006.01)

Patent

CA 2547489

A fluid contamination analyzer has a sample cell containing a trapping medium capable of trapping contaminants suspended in the aqueous fluid flowing through the trapping medium, a light source for illuminating the trapping medium to cause the entrapped contaminants generate a secondary radiation indicative of the identity and quantity of the contaminants, and a photodetector for receiving the secondary radiation. The fluid contamination analyzer has a reflective shell in the form of an ellipsoid extending at least partially around the sample cell and the detector, the sample cell being positioned at one of the focal points of the ellipsoid, and the photodetector at the other point of the ellipsoid to receive the secondary radiation reflected by the reflective shell.

L'invention porte sur un appareil pour mesurer la contamination d'un fluide; celui-ci est muni d'une cellule à échantillon contenant un support de piégeage capable de piéger les contaminants en suspension dans le fluide aqueux qui y circule, d'une source lumineuse servant à illuminer le support de piégeage pour amener les contaminants à générer un rayonnement secondaire donnant un indice de leur nature et de leur quantité et un photodétecteur pour recevoir ledit rayonnement secondaire. Ce dispositif d'analyse de la contamination de fluides est muni d'une coque réfléchissante de forme ellipsoïde s'étendant au moins en partie autour de la cellule à échantillon et du détecteur, cette dernière étant positionnée à l'un des foyers de l'ellipsoïde pour capter le rayonnement secondaire réfléchi par la coque réfléchissante.

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