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Abstract

A multiple-axis inclinometer for measuring inclinations and changes in inclination comprises a cell which contains a liquid forming a horizon and which has a transparent base, and a device for illuminating a cross-line plate and imaging optics in the form of a piano-convex lens, which is arranged at the base of the cell or is a component part of the base, for imaging the cross-line plate on a receiver arrangement in the form of a CCD line. Two cross-line plates are provided, each having a cross-line grid formed of parallel cross-lines, wherein a light source is associated with each cross-line plate and illuminates the cross-line plate associated therewith. These two cross-line plates lie one above the other in an imaging plane which extends perpendicular to the surface of the liquid and in which the CCD line is also arranged, wherein the cross-lines of the two cross-line plates enclose an angle relative to one another whose bisector extends perpendicular to the imaging plane. The imaging of the two cross-line grids located at a distance from one another is carried out on the CCD line by means of total reflection at the horizon of the liquid and through the plano-convex lens.

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First Claim