I.S. EN ISO 6145-1:2008
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
04-30-2020
English
01-01-2008
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Calibration methods
4.1 General
4.2 Description of primary or potentially primary
measuring devices
4.3 Measurements on the final mixture
5 Techniques for preparation of gas mixtures calibrated
by the methods described in Clause 4
5.1 General
5.2 Volumetric pumps
5.3 Continuous injection
5.4 Capillary
5.5 Critical orifices
5.6 Thermal mass flow controllers
5.7 Diffusion
5.8 Saturation
5.9 Permeation
Annex A (normative) Volume measurement by weighing
the water content
Annex B (informative) Description of secondary devices
which need calibration against primary
devices
Bibliography
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