12/30247200 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS ISO 3951-1 - SAMPLING PROCEDURES FOR INSPECTION BY VARIABLES - PART 1: SPECIFICATION FOR SINGLE SAMPLING PLANS INDEXED BY ACCEPTANCE QUALITY LIMIT (AQL) FOR LOT-BY-LOT INSPECTION FOR A SINGLE QUALITY CHARACTERISTIC AND A SINGLE AQL
Hardcopy , PDF
30-09-2013
English
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Acceptance quality limit (AQL)
6 Switching rules for normal, tightened and reduced
inspection
7 Relation to ISO 2859-1
8 Limiting quality protection
9 Allowing for measurement uncertainty
10 Planning
11 Choice between variables and attributes
12 Choice between the s-method and sigma-method
13 Choice of inspection level and AQL
14 Choice of sampling plan
15 Preliminary operations
16 Standard procedure for the s-method
17 Standard procedure for the sigma-method
18 Procedure during continuing inspection
19 Normality and outliers
20 Records
21 Operation of switching rules
22 Discontinuation and resumption of inspection
23 Switching between the s-method and sigma-method
24 Charts B to R Operating characteristic curves
and tabulated values for single sampling plans,
normal inspection: s-method
25 Charts s-D to s-R Acceptance curves for combined
control
Annex A (normative) - Table for determining the sample
size code letter
Annex B (normative) - Form k s-method single sampling
plans
Annex C (normative) - Form k sigma-method single
sampling plans
Annex D (normative) - Values of f[s] for maximum sample
standard deviation (MSSD)
Annex E (normative) - Values of f[sigma] for maximum
process standard deviation (MPSD)
Annex F (normative) - Estimating the process fraction
nonconforming for sample size 3: s-method
Annex G (normative) - Form p[*] single sampling plans
Annex H (normative) - Values of c[u] for upper control
limit on the sample standard deviation
Annex I (normative) - Supplementary acceptability constants
for qualifying towards reduced inspection
Annex J (normative) - Procedures for obtaining s and sigma
Annex K (informative) - Consumers risk qualities
Annex L (informative) - Producers risks
Annex M (informative) - Operating characteristics for the
sigma-method
Annex N (informative) - Estimating the process fraction
nonconforming for sample sizes 3 and 4: s-method
Annex O (normative) - Procedures for allowing for
measurement error
Chart A - Sample size code letters of standard single
sampling plans for specified qualities at
probabilities of acceptance 95% and 10%
Bibliography
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