| 摘要 |
PROBLEM TO BE SOLVED: To exactly judge whether each weigher of a combined balance and reweight means such as weight selectors, etc., are abnormal or normal, irrespective of errors existing due to the variation of combined weighed values and re-weighed values. SOLUTION: The system comprises a combined balance 1, a weight selector 4 for re-weighing a combined article weighed and ejected from the combined balance 1, a first subtracting means for calculating the weighed value difference between the re-weighed value of the combined article weighed by the weight selector 4 and the combined weighed value obtained by weighing the combined article, using the combined balance 1, and a first average calculating means for calculating the average of the weighed value differences corresponding to the combined articles weighed by the weighers constituting a set of the plurality of weighers of the combined balance 1 every one or the plurality of combined articles while the first subtracting means calculates the weighed value difference for the plurality of combined articles.
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