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ISO TS 20175 : 1ED 2018

M00023595

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ISO TS 20175 : 1ED 2018

VACUUM TECHNOLOGY - VACUUM GAUGES - CHARACTERIZATION OF QUADRUPOLE MASS SPECTROMETERS FOR PARTIAL PRESSURE MEASUREMENT

International Organization for Standardization

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Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Parameters for which characterization is required or
  recommended for the different applications
6 Vacuum systems to characterize QMS
7 Characterization and calibration procedures
8 Measurement uncertainties
9 Reporting results
Annex A (informative) - Estimate of gas composition in the
        measurement chamber from known gas composition
        in the reservoir in front of a leak element under
        different flow conditions
Bibliography

Abstract

Defines procedures to characterize quadrupole mass spectrometers (QMSs) with an ion source of electron impact ionization and which are designed for the measurement of atomic massto-charge ratios m/z < 300.

General Product Information

Document Type Standard
Status Current
Publisher International Organization for Standardization
Committee TC 112