| 摘要 |
<p>A volumetric metering device (1) for liquids, having a graduated vessel (11) and a measuring device (12) for measuring the quantity of liquid inside the vessel; the measuring device having ballast (16) suspended inside the graduated vessel (11), and a load cell (17) for determining, instant by instant, the weight of the ballast (16) and supplying an electric output signal as a function of the weight; and the ballast (16) being defined by a body having a specific weight greater than that of the liquid in the graduated vessel (11). <IMAGE></p> |
