Regarding “residual pressure””

2007-12-07View Original

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In some experimental standards, the term \"residual pressure\" comes up from time to time; I’m not entirely sure what it means, only that it seems to be related to vacuum level. I looked it up today. I understand what it means. Generally, when expressed in units of mmHg (Torr) or Kpa, Pa, it refers to absolute pressure, also known as residual pressure, pressure, remaining pressure, or inhalation pressure. When expressed in Mpa, it refers to the gauge pressure of the spring vacuum gauge. For example, if it is -0.078 Mpa, then the absolute pressure should be: 0.1 - 0.078 = 0.022 Mpa.

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Regarding “residual pressure””

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