壓力開關選型需考慮兩方面
為了保障工業生產和實際生活，用戶需要在了解壓力開關基本知識的基礎上再繼續了解壓力開關的選型問題，那么在選購時想要判斷性能的好壞就需要注意以下兩點：
一、功能等級
在選擇之前用戶需要根據壓力開關日后的工作環境和被測介質來決定壓力開關的功能等級，就比如壓力開關是否需要有防爆功能、是否要有防腐功能或者是否需要耐震功能等等。這些功能都是要根據運用環境和測量介質來確定的。
二、精度等級
而精度等級則是要根據用戶的使用情況及經濟因素來考慮，如果用戶需要壓力開關及時的做出精準反應并且可以承受一定范圍的價格，那就可以選擇精度比較高的等級，如：0.5級、0.3級以及0.1級。
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