因為SCHMERSAL位移傳感器可以根據不同的原理和不同的方法做成，而不同的位移傳感器對物體的“感知”方法也不同

    德國施邁賽渦流式接近開關有時也叫電感式接近開關。它是利用導電物體在接近這個能產生電磁場接近開關時，使物體內部產生渦流。這個渦流反作用到接近開關，使開關內部電路參數發生變化，由此識別出有無導電物體移近，進而控制開關的通或斷。這種接近開關所能檢測的物體必須是導電體。

    上海維特銳直接從德國SCHMERSAL原廠家拿貨，直接供應各種SCHMERSAL感應傳感器，施邁賽磁性開關，施邁賽安全開關

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