壓力開關儀表發生故障
來源:編輯YY 時間:2014-07-21 09:35 點擊:次
精密儀器中的儀表出現故障的原因基本都大同小異,本篇文章由小編給大家講述下大概的原因。
1.壓力開關儀表無指示
出現此現象的原因有:導壓管上方的自動化系統執行機構沒有打開,導壓管和接頭等零件內部因雜質污物積聚太多引起的堵塞。
2.壓力開關儀表的指示偏低
壓力開關內部的彈簧管出現滲漏;導壓管有泄漏引起的傳動機構失調;彈簧管焊接的位置不恰當。
3.壓力開關儀表的指示針出現跳動和遲鈍現象
這種現象很可能是壓力開關儀表與儀表內部的指針產生了摩擦、指針松動或者是中心齒輪軸已經彎曲所致。
西安仕樂克控制器制造有限公司 (www.a3025.cn)

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