| 摘要 |
An automatic composite yarn detector including a housing having a passage way through which the yarn to be tested passes, two electrically conductive contact elements intersecting the passage way to receive the pressure of the yarn and to detect its oil content, a tension feeler connected to the contact elements and induced by the pressure received by the contact elements to provide an output signal, and a processing circuit adapted to process the yarn tension signal detected by the tension feeler and the oil content signal detected by the contact elements into corresponding output signals for display through an external display.
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