| 摘要 |
A normal operation monitoring device for egg weighing units (X1, X2, X3) used for an egg weight classifying device (A), comprising a judging device (12) which monitors the weighing units (X1, X2, X3) for abnormal operations according as weights detected by the weighing units (X1, X2, X3) show specified conditions, and a display (13) for outputting the judgement results of the judging device (12).
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