| 摘要 |
An interface measuring device for ascertaining the height of an interface between a first phase (2; 102) of a medium with a first density and a second phase (4; 104) of a medium with a second density, comprising: a first pressure registering point (12; 112) for registering a first pressure of a medium at a first height (H1); a second pressure registering point (14; 114) for registering a second pressure of the medium at a second height (H2), an evaluation apparatus (30; 130), wherein a height separation (ΔH) between the first pressure registering point and the second pressure registering point is known, wherein the second height (H2) lies above a height range, in which the interface is expected, and wherein the evaluation apparatus is adapted, based on the registered pressures (p1, p2), respectively a pressure difference (Δp) between the registered pressures, as well as based on a first density value and a second density value, respectively a density difference between the density values, to determine a height of an interface. |
