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yzyuanxiang
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樓主  發(fā)表于: 2013-06-24 10:01
如果傳感器出錯=0   4-20ma對應0-4000  所以4.01MA等于25    但是當壓力微小的時(shí)候只有10 還是波動(dòng)的數值。請問(wèn)怎么做報警。試驗下來(lái) 如果負壓的時(shí)候是小于0的    

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