- The absolute pressure of a vacuum chamber refers to the total pressure inside the chamber, including both the pressure exerted by the air (or gas) inside the chamber and the atmospheric pressure outside it. Absolute pressure is measured relative to a perfect vacuum, meaning it includes the atmospheric pressure as part of the reading.
- In a vacuum chamber, the absolute pressure is typically measured using a gauge that reads the difference between the pressure inside the chamber and a perfect vacuum.
- All values will be in psi.
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