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hanqin
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樓主  發(fā)表于: 2011-01-21 15:07
有探測距離在15CM的傳感器嗎？要求是在15CM左右探測有物體時(shí)輸出ON型號，輸出開(kāi)關(guān)量信號。NPN、PNP都可以。最好能調節臨界點(diǎn)。
yzhuo
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1樓  發(fā)表于: 2011-02-07 10:57
你好，不知你使用在什么地方，我推薦你使用YT-523B系列光電開(kāi)關(guān)，工作電壓220V，檢測距離10-80CM，有需要可以聯(lián)系我，QQ634887026,手機：18754217711
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