數顯壓力開關的輸出故障處理方法
數顯壓力開關經過長期使用后，可能會由于結構的不穩定性、操作不當等產生小故障，下面小編為大家介紹數顯壓力開關的故障處理方法。
1.數顯壓力開關的輸出不在4-20mA范圍內
（1）針對這種情況，應首先檢查數顯壓力開關的電源是否正常，檢查回路中是否有大的負載，盡量將供電電源符合數顯壓力開關的電源要求。
（2）檢查實際設定的壓力值是否超過數顯壓力開關的量程，確保壓力值在量程范圍內。
2.數顯壓力開關的輸出不穩定
（1）數顯壓力開關的輸出不穩定可能是由于開關與系統設備之間的接線存在松動現象，應及時接好線，保證接觸良好。
（2）當數顯壓力開關的輸出尤為不穩定，還需要檢查周圍是否有大型電機設備存在，如果有，應錯開工作時間，避免給開關帶來測量誤差。
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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