| 摘要 |
A rotatable capacitance sensor for detecting film thickness of a moving film web, the rotatable sensor having a capacitive element arranged to contact the moving web film, the capacitive element electrically connected to projecting shaft ends of the rotatable sensor, resilient conductors urged against the respective shaft ends, and an electrical shield overlaying the resilient conductors and the rotatable shaft, to electrically isolate shaft wobble from the surrounding housing.
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