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壓力開關(guān)的精度等級介紹
一、壓力開關(guān)精度的定義
壓力開關(guān)的精度等級是指將壓力開關(guān)測得的壓力與實際測量的結(jié)果值進行對比，查看壓力開關(guān)測量指示值與實際值接近精確程度的反映。
二、壓力開關(guān)精度的表示方法
精度等級是指最大基本誤差絕對值與測量上限比值的百分?jǐn)?shù)，是通過校驗中產(chǎn)生誤差的大小來決定的。所以一般情況下，精度等級的表示方法都為百分號，有1%、0.5%、0.3%等多種精度，其中，數(shù)值越小代表精度等級越高，也就說明測量結(jié)果越精確可靠。
三、壓力開關(guān)精度的選擇
選擇精度等級高的壓力開關(guān)固然重要，但是在選擇精度時，一味的追求高精度也是不可取的，正確的選擇方法是以滿足工業(yè)生產(chǎn)為要求，選出最合適最滿足條件的精度等級。
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