NASA NTRS · 19660000638
Volume-ratio calibration system for vacuum gages
Abstract
Volume-ratio calibration system consists of a gas source, high pressure gauge, small volume tank, large volume chamber, plus appropriate piping, valves, and vacuum source. This system used in conjunction with commercial vacuum gauges evaluates its ability to accurately produce desired pressures in the .000001 to .01 torr range.
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1966-12-01. Volume-ratio calibration system for vacuum gages. https://ntrs.nasa.gov/citations/19660000638
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