The operating principle of the newly developed fluid inclination sensors from 2E, is based on the inclination dependent changes of a difference capacity. Using the two halves of the housing and a spacer disc a cylindrical cavity can be formed that is half-filled with a dielectric fluid. Two semi-circular electrodes are housed on the front side and on the other side there is a circular electrode. By inclining the measuring cell horizontally the dielectric fluid can maintain its position as a result of the gravitation. The capacitor changes depending on the angle of inclination between the electrode pairs which can be electronically recorded and evaluated.