壓力開關出現誤差的原因
一、壓力開關超負荷工作
壓力開關工作的額度如果超過規定范圍并且儀表的指示值已經處于最大位置，這就使得壓力開關超負荷工作，內部的彈性元件就會變形，如果長時間處于極限的變形狀態，那么很有可能會永久變形，導致壓力開關逐漸出現誤差。
二、壓力開關處于振動環境
環境的振動會使得儀表指示不準，出現測量值的誤讀，而長期處于振動環境會使得壓力開關內部零件丟失或者變形，導致壓力開關的誤差逐漸偏大。針對此情況應加裝固定裝置或者采取減震措施。
三、溫度的影響
壓力開關本身有一個溫度范圍，如果周圍環境偏高或者偏低，內部的零部件會漸漸產生彈性形變，甚至永久變形，最終導致壓力開關出現誤差。
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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