影響壓力開關的兩大技術參數
來源:編輯YY 時間:2014-06-18 15:23 點擊:次
為了保證壓力開關的靈敏度和穩定性,客戶在運用壓力開關之前,需要特別關注壓力開關的兩大重要參數:壓力開關的溫度和精度。
1.壓力開關的溫度,這個溫度此前在文檔中也有介紹過,它是一個范圍,即溫度范圍,主要是指正常操作時的溫度范圍和超出正常工作時的溫度范圍(溫度補償范圍)。正常的溫度范圍就是指壓力開關進行作業時,一直保持不被破壞的溫度范圍。溫度補償范圍則是指壓力開關在工作過程中超出了正常的溫度范圍,這個范圍通常會比正常的溫度范圍小。在這兩個溫度范圍之內,壓力開關都是可以正常工作的。但是,工作過程中,不排除某些因素導致的溫度驟變,而損壞了壓力開關,因此在選型前、安裝時、調試時及日后的正常使用都應仔細按照規程實施。
2.壓力開關的精度是決定了壓力開關的所測結果的。選購壓力開關之前,也應挑選精度等級高的壓力開關。如果一個壓力開關的精度已經開始有了誤差,那務必要及時檢查問題,可能是遲滯性、溫度、重復性等因素造成的。
西安仕樂克控制器制造有限公司 (www.shelok.net)
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