如何處理數顯壓力開關誤差大的故障
在工業現場中，常常因為一些不明晰的因素引起數顯壓力開關的示值顯示不正常或者誤差很大的現象，有時就算全部清零、重新設置參數也無法恢復，遇到此種情況該如何處理呢？
一般情況下，分析該問題可以分為兩步，不過小編在這里要提醒大家的是，以下操作都需要由專業操作人員進行，非專業人員不可私自操作。
1.將數顯壓力開關的供電電源斷開，將數顯壓力開關的殼體拆卸下來，找到其中的壓力傳感器，將線纜與接線端子分開，采用事先已經備好的電源與數字壓力表對壓力傳感器單獨檢測，查找問題是否出在傳感器上。
2.根據數顯壓力開關接收到的不同的信號，在壓力傳感器斷開的電路上對壓力開關輸入相對應的信號，將二者的壓力值進行對比，如果相差太大，那就需要重新調整傳感器，再進行檢測，直到恢復正常為止。
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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