| 摘要 |
<p>The invention relates to a device and a method for calibrating hydraulic flow-rate measuring systems, characterised by a receptacle which is connected to the flow-rate measuring system and which can be filled with a hydraulic medium. A calibrating element for modifying the free volume of the receptacle is arranged in the receptacle. Said calibrating element is capable of receiving a defined volume and is arranged in such a way that it can move.</p> |
