如何調整壓力開關的壓力范圍與開關量
當壓力開關需要重新調整壓力范圍和開關量時，該如何操作呢？為了避免因壓力不同造成測量誤差，下面小編為大家介紹如何調整壓力開關的壓力范圍和開關量。
如何調整壓力范圍
首先，將壓力開關銘牌標志頂部的螺釘旋出，直到露出調整按鈕；隨后，開始進行調整，這里要注意的是為了保證壓力開關的精度，壓力的上限值與下限值都要符合該類型壓力開關量程的范圍，否則如果設定過高或者過低，都會影響壓力開關的精度。
如何調整開關量
由于開關量一般情況下都是4mA—20Ma，所以要逐個設置，當設置4mA，將壓力開關的零點按下保持至少一兩秒鐘，查看輸出的信號是否是4mA，同理，當要設置20mA的信號時，也需要按下零點至少一兩秒鐘，隨后檢驗輸出的信號是否是20mA。
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