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  • BSI
    BS ISO 27894:2009 Vacuum technology. Vacuum gauges. Specifications for hot cathode ionization gauges
    Edition: 2010
    $435.35
    / user per year

Description of BS ISO 27894:2009 2010

This International Standard defines terms relating to hot cathode ionization vacuum gauges, and specifies which parameters are given by manufacturers of hot cathode ionization gauges and which measurement uncertainties have to be considered when operating these gauges. The reasons for this are as follows.

  1. This International Standard updates some terms and definitions given in ISO 3529-3:1981.

  2. This International Standard specifies information for suitable laboratories to correctly calibrate vacuum gauges under high and ultra-high vacua, since ionization gauges with hot cathodes are often used as reference standards. This information consists of the relevant parameters and characteristics suitable for quotation in manufacturers' instructions to users employing ionization gauges for traceable measurement of pressure under high or ultra-high vacua.

  3. This International Standard also lists those uncertainties associated with the measurement of pressure by the ionization gauge, which are known to be significant, and gives guidelines on how to evaluate them. It is possible that the list is not comprehensive for some current or future vacuum gauges.

  4. This International Standard complements ISO/TS 3567 and ISO/TS 27893 when using ionization gauges as reference standards.



Standard NumberBS ISO 27894:2009
TitleVacuum technology. Vacuum gauges. Specifications for hot cathode ionization gauges
StatusConfirmed
Publication Date2010-03-31
Identical National Standard OfISO 27894:2009
DescriptorsPressure gauges, Ionization gauges, Vacuum engineering, Vacuum gauges, Measurement, Hot cathodes, Calibration
ICS23.160 Vacuum technology
CommitteeMCE/8/-/4
ISBN978 0 580 63089 7
PublisherBSI
Pages30

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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