Basicprinciplesofvacuumtechnology,briefoverview - Festo

← Back to document page

Subjecttochange1 Internet: principles of vacuum technology, brief overviewIntroductionBasic principles of vacuum technologyWhat is a vacuum?Vacuum rangesUnits of measurementA vacuum is a space entirely devoid ofmatter ( absolute vacuum ).In practice we talk about a vacuumwhen the air pressure in a space liesbelow atmospheric [pa]P[mbar]There are a large number of nationaland international units ofmeasurement. The most commonlyused units are Pascal (Pa) and bar100Pa =1hPa1hPa =1mbar1 mbar = barThe vacuum level is often expressedas a % value. However, these arealways relative = Rough vacuumFV = Medium vacuumHV = High vacuumUHV = Ultra-high vacuumWhat is a vacuum used for?

Subjecttochange Internet:www.festo.com/catalogue/... 1 Basicprinciplesofvacuumtechnology,briefoverview Introduction Basicprinciplesofvacuumtechnology

  Festo, Basicprinciplesofvacuumtechnology, Briefoverview