| 摘要 |
A measurement device measures a liquid flow discharged from a funnel in a lower branch and/or a side branch. A modelling function is established between liquid flows received with the funnel and/or liquid flows discharged through the lower branch and/or the side branch. In drainability measurement, a sensor measures the flow through a wire out of a measurement chamber at least at two points in time. A processor establishes a parameter descriptive of the drainability from flows measured at the different points in time based on a modelling function stored in a memory.
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