介質對壓力開關測量的影響
壓力開關的使用可以提高工業生產的工作效率，同時也能為現場帶來極大便利，但是當它的測量介質偏離了壓力開關的使用要求時，它對壓力開關造成的影響是深遠的。
壓力開關在測量過程中主要容易受到介質的密度、黏度、溫度等物理性質及化學性質的影響，其中密度、溫度及化學性質的影響是普遍的。當介質的溫度、密度過高或者過低時，都可能會給壓力開關的準確度帶來影響，那就要盡量避開這些介質了；當介質帶腐蝕性時，用戶務必要采取防護措施之后才可以進行測量，因為腐蝕性不僅僅會影響壓力開關的正常測量，還會直接影響了壓力開關的測量元件，對壓力開關的可靠性和穩定性都構成了極大的威脅。因此，在使用壓力開關之前，被測介質的確定是十分重要的。
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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