壓力開關的選型與安裝
一、壓力開關的選型需知
1.需測量的壓力范圍，注明單位是PA、KPA還是MPA
2.被測介質的物理性質和化學性質
3.壓力開關的過程接口尺寸和接口形式
4.壓力開關的電氣接口
5.是否適用于易燃易爆危險場合
6.工業現場周圍的環境溫度是常溫還是高溫或者低溫
7.需要控制一個點還是兩個點
二、壓力開關的安裝
壓力開關的安裝位置周圍應留下足夠空間，為日后的維護與維修帶來方便。
為了避免介質積聚在壓力開關內部，最好的安裝方式是進行垂直安裝。
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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