使用壓力開關如何提高測量精度
壓力開關，顧名思義，它的主要作用就是測量出可靠精確的壓力值，然后根據各個工業需求控制壓力，從而實現自己的應用價值。
我們在選購壓力開關時，就應根據工業需求仔細考慮所選最大壓力范圍即所能承受的最大壓力（一般需選比最大壓力值大2-3倍），靈敏度和精度。當壓力開關投入運行時，如果是進行水壓測量，那么壓力開關會因瞬間的峰值在不停的上下波動而損壞，且這種長時間的高壓力值不僅會縮短壓力開關的使用壽命而且還會使得精度下降。針對這種情況，我們可以添加一個數控緩沖器，起到協調緩沖的作用。壓力開關測量時，為了提高靈敏度，有利于信號處理，與被測量變化對應的輸出信號的值應越大越好。
壓力開關的測量精度是實現精確控制的重要元素，日常生活中應細心呵護以提高它的精確度。
西安仕樂克控制器制造有限公司 (www.shelok.net)
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