壓力開關的指示故障分析步驟
1.當壓力開關的指示值出現了從變化到最大或最小的情況時，可以先查看壓力源是否穩定正常，如果壓力源穩定在一定的范圍，則說明故障發生在壓力開關的控制系統內，如果壓力不穩定，則可能是一般工藝系統引起的故障，要從工藝方面找原因。
2.當壓力開關的指示和現場的指示表對不上時，首先應檢查現場的指示表是否有問題，如果指示正常，那么就要繼續檢查壓力開關與設備的連接處是否有泄漏情況，如果有泄漏情況，則需要重新連接，確保密封性能良好。
3.當壓力開關指示值的變化波動頻繁時，首先應當分析被測壓力的壓力源，查看壓力源是否本身就是波動頻繁的，如果壓力源穩定，則可能是測量過程中操作不當引起的，應嚴格按照說明書進行。
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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