Patent ID: 6368478
Filing Date: 2002-04-09
Classification: B01L,G01N

Abstract:
An electrochemical measuring device comprising:an essentially planar sensor substrate which carries on an upper surface thereof at least one electrochemical sensor; a cover part which provides on a lower surface thereof a tunnel-shaped measuring channel, having at least one guiding groove being provided in parallel with said measuring channel; and a sealing element positioned between said sensor substrate and said cover part when attached together for sealing said measuring channel, said sealing element having long and short sides comprising longitudinal guiding bodies along each of said long sides, at least one of said longitudinal guiding bodies projects into said at least one guiding groove of said cover part, said sealing element comprising integrally molded narrow sealing lips bounding said measuring channel; wherein each of said short sides of said sealing element is provided with a guiding body projecting into recesses in said sensor substrate, said guiding bodies are disposed on one side of a sealing plane &egr; defined by said narrow sealing lips which faces away from said cover part.