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sklademVydáno: 2017
ISO 28597:2017
ISO 28597:2017-Acceptance sampling procedures by attributes — Specified quality levels in nonconforming items per million
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Označení normy: | ISO 28597:2017 |
Počet stran: | 19 |
Vydání: | 1 |
Vydáno: | 2017 |
DESCRIPTION
ISO 28597:2017
ISO 28597:2017 specifies, for quality levels expressed as nonconforming items per million items, procedures for estimating the quality level of a single entity (e.g. a lot) and, when the production process is in statistical control, for estimating the process quality level based on evidence from several samples. Procedures are also specified for using this information when selecting a suitable sampling plan so as to verify that the quality level of a given lot does not exceed a stated limiting quality level (LQL). For the case where no prior sample data is available, guidance is given for presuming a process quality level in selecting a plan.