| 摘要 |
<p>The invention relates to a level sensor for determining the liquid level in a reservoir. According to the invention it comprises at least one actuator (4) that is arranged to generate vibrations, at least one vibration sensor (5) that is arranged to measure vibrations, as well as a liquidproof housing (6), the at least one actuator (4) and the at least one vibration sensor (5) being operatively connected to an inner side (7) of said liquidproof housing (6), an outer side of said liquidproof housing (6) being arranged to be located radially inside an outer envelope surface of a reservoir arranged to house liquid.</p> |
