壓力開(kāi)關(guān)工作壓力與量程范圍的選擇
來(lái)源:編輯YY 時(shí)間:2015-03-26 14:27 點(diǎn)擊:次
一、壓力開(kāi)關(guān)工作壓力的選擇
壓力開(kāi)關(guān)工作壓力的設(shè)定只需滿足一個(gè)要求,那就是務(wù)必要設(shè)定在量程范圍之內(nèi),不管是最大工作壓力還是最小工作壓力都要在量程的允許范圍內(nèi),避免出現(xiàn)壓力達(dá)不到或者過(guò)載運(yùn)行的情況,否則不僅會(huì)影響測(cè)量結(jié)果,還會(huì)損壞壓力開(kāi)關(guān)的零部件。
二、壓力開(kāi)關(guān)量程范圍的選擇
壓力開(kāi)關(guān)量程的選擇與壓力開(kāi)關(guān)的動(dòng)作值有著緊密的聯(lián)系,由于壓力開(kāi)關(guān)測(cè)量的壓力可能存在一些波動(dòng),因此用戶在選擇時(shí),要注意使壓力開(kāi)關(guān)量程的最大范圍比壓力開(kāi)關(guān)的最大動(dòng)作值還高30%,量程的最小范圍比壓力開(kāi)關(guān)的最小動(dòng)作值還低30%,最大程度的避開(kāi)容易引起壓力開(kāi)關(guān)故障的可能。
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