| 摘要 |
This invention concerns a weighing device to measure the weight of a sample of powder supplied by a suitable feed-mechanism. This weighing device comprises at least one sample-holder vessel and a taring vessel, connected to a transfer mechanism which moves the sample-holder vessel from a filling position where it is directly under the feed-mechanism, to receive the sample, to an emptying position, and which also sets the taring vessel and the vessel containing the sample on a weighing mechanism in turn, to measure their weight. The invention concerns this weighing device and an installation comprising such a device, used in particular for volumetric analysis of a sample of powder, such as raw material for cement-making.
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