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    • 7. 发明申请
    • ULTRASONIC MEASURING DEVICE
    • 超声测量装置
    • WO2004102132A2
    • 2004-11-25
    • PCT/EP2004004699
    • 2004-05-04
    • ENDRESS & HAUSER GMBH & CO KGMAIER HANS-PETER
    • MAIER HANS-PETER
    • G01F23/296G01F23/00
    • G01F23/2968
    • The invention relates to an ultrasonic measuring device comprising at least one ultrasonic transducer (5), which emits ultrasonic measuring signals via a membrane (6) towards the surface of a medium enclosed in a container, or receives the ultrasonic measuring signals that have been reflected by the surface of said medium, and equipped with a control and evaluation unit (2), which determines the level of the medium in the container by means of the transit time of the ultrasonic measuring signals. To reduce the formation of condensation, an outer section of the side of the membrane (6) facing the medium is provided with a drainage rim (8).
    • 本发明涉及一种超声波测量设备与至少一个超声换能器(5),其通过膜(6)朝向在容器或光的介质的表面超声波测量信号反映在介质超声测量信号的表面发射 接收,并由此提供一个控制/分析单元(2),其由所述超声波测量所述容器内的介质的电平的持续时间来确定。 为了减少冷凝物的形成,是在所述膜的介质相对侧的外部区域(6)具有一个滴落边缘(8)被提供。