Patent ID: 9074981
Filing Date: 2015-07-07
Classification: G01N

Abstract:
1. A sensor arrangement for measuring properties of liquids, the sensor arrangement comprising: a carrier substrate formed with an opening, said carrier substrate having a surface; a metal, plate-shaped oscillating element disposed on said surface of said carrier substrate, over said opening, and parallel to said surface, said plate-shaped oscillating element consisting completely of metal; at least two metal spring elements mounting said oscillating element on said carrier substrate; at least two electrically conductive contact electrodes disposed on said carrier substrate and electrically connected to said oscillating element by way of said metal spring elements; a magnet disposed in a vicinity of said carrier substrate and oriented such that magnetic field lines from said magnet pass through said plate-shaped oscillating element; and an evaluating unit coupled to the oscillating element via two of the at least two metal springs.