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防爆壓力開關(guān)如何抗干擾
防爆壓力開關(guān)是與易燃易爆的被測介質(zhì)直接接觸的，一旦防爆壓力開關(guān)受到外界嚴重的干擾，不僅會失去防爆壓力開關(guān)的意義和價值，還會對生產(chǎn)安全造成嚴重的威脅，因此采取良好的抗干擾措施就迫在眉睫了。
1.在安裝防爆壓力開關(guān)時，可以采用屏蔽電纜，將干擾源與防爆壓力開關(guān)和系統(tǒng)設(shè)備隔離，切斷干擾的來源，保證日后防爆壓力開關(guān)使用過程中不受干擾。
2.最好采用能將信號放大的精密傳感器，這種傳感器不僅可以將信號狀態(tài)放大，還可以有效去除電子干擾，是減少干擾的有效途徑之一。
3.可以從防爆壓力開關(guān)的結(jié)構(gòu)上進行改進，將測量元件壓力傳感器與信號處理電路形成一體化，避免了信號通過另外的途徑進行傳輸，將信號狀態(tài)進行增強，減少了干擾的引入；另外形成一體化的壓力傳感器結(jié)構(gòu)會更加緊湊，提高了抗干擾能力。
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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