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Vacuum gauge reading

2018-10-28View Original

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For the chemical engineering registration exams in 2014 and 2018, does a negative reading on a vacuum gauge indicate gauge pressure or a positive value representing vacuum? Many test questions ask what the vacuum level is in kPa as indicated by the vacuum gauge; many people also question whether the readings shown on vacuum gauges are accurate
Reply #22018-10-28
Many people question why vacuum gauges always show negative readings

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Translated at 2026-07-26 07:39:32

Original: https://bbs.hcbbs.com/thread-2120829-1-1.html

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