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关于几种压力类型的解释
UPDATE:2018-01-07 02:12:57
1.表压 (G)
以大气压为
基准
的流体指示压力,
称为
表压
2.绝压(A)
以绝对真空为起点
,即
介质(液体、气体或蒸汽)所处空间的所有压力。
3.密封压(S)
指被测介质以传感器内部被密封住的压力为参考点。
三者之间的关系:
绝压=绝对压力
表压=
绝对压力-大气压
密封压=绝对压力-密封参考压(比如传感器厂家的当地大气压)
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