Ecolab USA Inc.

Ecolab Inc.

Hartmut Forster

Ralf Krack

Claudia Caussin De Schneck

Karl Helminger

Robert Najman

The invention refers to a fouling detection setup (I) and method for determining the amount of fouling () of surfaces () of fluid () treating devices () and/or internal functional components () of such devices, which are exposed to said fluid and are subjected to fouling. Fouling detection setups and methods are useful for monitoring the amount of fouling of surfaces, e.g. heat-transfer surfaces and also for monitoring the cleaning procedure of such fluid treating devices and/or internal functional components of such devices. According to the invention the detection setup (I) comprises at least one first sensor (), with means () for measuring the optical transparency T and/or electrical conductive conductivity Q of said fluid (). The Sensor includes at least one sensitive area () that is located nearby and/or within said surfaces () and wherein said area is at least temporarily exposed to said fluid ().

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Meerbusch, Germany

Hartmut Forster