| 摘要 |
2096252 9208958 PCTABS00013 A method of and apparatus for weighing particulate material, in which the particles are delivered onto a dish which is rotated to throw off the particles into a collector (7), the dish having an electric drive means powered from a controlled current source (1), and a circuit responsive to variations in the controlled drive current which produces an output signal representative of variations in said drive current due to transit of particles via the dish, thereby signalling mass flow.
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