Method and apparatus for measuring accumulated and instant...

G - Physics – 01 – N

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G01N 17/00 (2006.01) G01B 7/06 (2006.01)

Patent

CA 2394083

The present invention relates to a method and an apparatus for measuring accumulated and instant rate of material loss or material gain of metal elements for the detection of metal deposition (material gain) caused for example during deposition of coatings used in plating processes and corrosion (material loss) caused for example in pipelines during transportation of hazardous media. The apparatus and the method provides means for measuring accumulated and instant rate of material loss or material gain by inserting a probe in a measurement environment causing a probe to experience metal deposition or corrosion. Further the apparatus and the method provides means for performing a temperature independent measurement of accumulated and instant rate of material loss or material gain accomplished without use of a temperature sensor device.

La présente invention concerne un procédé et un appareil pour mesurer un taux cumulé et immédiat d'une perte matérielle ou d'un gain matériel d'éléments métalliques en vue de détecter, d'une part un dépôt métallique (gain matériel) survenu, par exemple, pendant le dépôt de revêtements utilisés dans des processus de galvanoplastie, d'autre part une corrosion (perte matérielle) survenue, par exemple, dans des pipelines pendant l'acheminement de milieux dangereux. L'appareil et le procédé de l'invention fournissent un moyen pour mesurer un taux cumulé et immédiat d'une perte matérielle ou d'un gain matériel par placement d'une sonde dans un environnement de mesure aux fins de détecter le dépôt métallique ou la corrosion. L'appareil et le procédé de l'invention fournissent en outre un moyen pour effectuer une mesure, non liée à la température, d'un taux cumulé et immédiat d'une perte matérielle ou d'un gain matériel obtenu sans l'utilisation d'une sonde de température.

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