壓力開關儀表常見故障
壓力開關的儀表是讀取最終測量結果的來源地，它能否正常工作決定了測量值的準確度，所以遇到故障時，應及時發現并加以解決。
一、壓力開關儀表指針不回零，誤差明顯。
出現此故障可能是由于指針開始松動，或者儀表內部的彈性元件松動，需要將指針和彈性元件擰緊。
二、壓力開關儀表出現跳針現象。
跳針現象的出現很可能是由于儀表開始銹蝕和磨損，指針開始與刻度盤有了摩擦。
三、壓力開關儀表的指針不轉動。
檢查校驗器的閥門是否打開；校驗器接頭的被污物堵死，介質無法進入到壓力表內或者是介質太過渾濁，將傳輸管道堵住了；指針是否有松動；
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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