了解壓力開關的控制形式
壓力開關具有多種控制形式，客戶在選購之前應先了解它的控制形式：
1.壓力開關可通過2組回路獨立控制，該控制形式稱作雙回路控制形式，又可稱同步控制形式。雙回路是指壓力開關內部的設定值可以設置2組，且這2組可以同時調整定值或者單獨調整定值。
2.另一種控制形式稱為單回路控制形式，即只能控制一個回路，在所有控制系統中，單回路控制是最簡單的。不過它所控制的結果卻是多種多樣，有上限值和下限值同時斷開、同時接通，或者一個斷開，另一個則接通。
西安仕樂克控制器制造有限公司 (www.shelok.net)
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