變送器單元在控(kong)(kong)(kong)(kong)制(zhi)(zhi)系統(tong)中起著非常重要的作用(yong),它將各(ge)種(zhong)過(guo)程參數(shu)如溫度、壓力、流量、液位等轉換成相應(ying)的統(tong)一標準(zhun)信號(hao),以供系統(tong)顯(xian)示或進(jin)行(xing)下一步(bu)的調(diao)整控(kong)(kong)(kong)(kong)制(zhi)(zhi)所用(yong)。在任何系統(tong)的自(zi)動控(kong)(kong)(kong)(kong)制(zhi)(zhi)中變送器都是首要環節和(he)(he)重要組成部分,因為只有(you)獲(huo)得了和(he)(he)可(ke)靠的過(guo)程參數(shu),才能(neng)(neng)進(jin)行(xing)準(zhun)確(que)的數(shu)據處理,進(jin)而(er)才能(neng)(neng)實現滿意的控(kong)(kong)(kong)(kong)制(zhi)(zhi)效果。
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