壓力表的故障原因總結
一、壓力表的指針出現波動
出現此現象的原因有：
1.壓力表的被測壓力大
2.壓力表本身處于一個振動環境中。
二、壓力表的指針不動，表盤無指示
出現此現象的原因有：
1.壓力表的表盤內因雜質污物過多造成堵塞；
2.壓力表的彈簧管破裂；
三、壓力表的指針指示誤差過大
出現此現象的原因有：
1.壓力表內部的彈簧管因壓力過大變形而出現失效狀態；
2.壓力表的彈簧管自由端與扇形齒輪，連桿傳動比調整不當。
四、壓力表的指針無法恢復零點
出現此現象的原因有：
1.壓力表的指針出現了打彎或者松動現象；
2.壓力表的傳動齒輪有摩檫。
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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