GB/T 17215.811-2017Electricity metering equipment ((a.c.) -- Acceptance inspection -- Part 11: General acceptance inspection methods (English PDF)

National Standard of the People's Republic of China

ICS

17.220.20

Classification

N 22

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Contents

• Foreword
• 1 Scope
• 2 Normative references
• 3 Terms and Definitions
• 3.1 Data Source
• 3.2 Sample Type
• 3.3 Specifications, Values, and Test Results
• 3.4 Inspection Type
• 3.5 Type 6 Acceptance Sampling Inspection
• 3.6 Relevant Terms of Acceptance Sampling Inspection System
• 3.7 Reception criteria
• 3.8 Type 8 operating characteristic curve
• 3.9 Terms related to operational characteristics
• 3.10 Check Out Quality Concept
• 3.11 Other Terms
• 4 Symbols and Abbreviations
• 4.1 Symbol
• 4.2 Abbreviations
• 5 General rule
• 5.1 Acceptance Test Target
• 5.2 Acceptance Sampling Plans, Plans and Systems
• 5.3 Practical and Economic Advantages of Using Standard Sampling Plans
• 5.4 Agreement of All Parties
• 5.5 Selection of Sampling Plans and Sampling Plans
• 5.6 Considerations for Impact Selection
• 5.7 Disqualification and Nonconformance
• 5.8 Unqualified classification
• 5.9 Operating Characteristics (OC) Curves
• 5.10 Producer Risk (PR) and Consumer Risk (CR)
• 5.11 AQL, PRQ, LQ, and CRQ
• 5.12 Transfer Rules for Normal Inspection, Strict Inspection and Relaxation Inspection
• 5.13 Inspection Level
• 5.14 Sample size code
• 5.15 Inspection Site
• 5.16 Submission of Acceptance Inspection Products
• 5.17 Sample extraction
• 5.18 Batch Acceptability
• 6 100% inspection
• 6.1 Application of this method
• 6.2 Batch and Receive Number
• 6.3 Receiving and not receiving
• 7 Batch-by-lot inspection
• 7.1 Method Application
• 7.2 Sample extraction
• 7.3 Level of inspection
• 7.4 Sampling plan
• 7.5 Normal, tightened and relaxed inspections (see 5.12)
• 7.6 Operating Characteristics (OC) Curves
• 7.7 Process Average
• 7.8 Average Outgoing Quality (AOQ)
• 7.9 Average Quality of Detection (AOQL)
• 7.10 Consumer Risk (CR)
• 7.11 Producer Risk (PR)
• 8 Isolated Batch Test
• 8.1 Application Method
• 8.2 Provisions Procedure
• 8.3 Limit Quality
• 8.4 Procedure A
• 8.5 Program B
• 8.6 Rules Received and Not Received
• 9 Batch inspection
• 9.1 Application Method
• 9.2 Producer Qualification
• 9.3 Product Qualification
• 9.4 Detailed Procedure
• 10 Batch measurement inspection
• 10.1 Application Method
• 10.2 Choice Between "s Method" and "sigma Method"
• 10.3 Standard Plan
• 10.4 Preparation
• 10.5 Standard multivariable "s method" program with independent quality characteristics of combination control
• 10.6 Independent Characteristics with Combination Control Standard Multivariable "sigma Method"
• 10.7 Procedures for Continuous Inspection
• 10.8 Normality and Outliers
• 10.9 Record
• 10.10 Normal, tightened and relaxed inspections (see 5.12)
• 10.11 Inspection and Restoration
• 10.12 Conversion between "s Method" and "sigma Method"
• 10.13 Consumer Protection
• 10.14 Operating Characteristic Curve
• 10.15 Consumer Risk (CR)
• 10.16 Producer Risk (PR)
• Appendix A (Normative) Random Number
• Appendix B (Normative Appendix) Obtaining s or sigma Programs
• References
• Figure 1 Sampling plan and program selection process
• Figure 2 Transfer Rules Figure
• Fig. 3 OC curve of one sampling scheme with AQL=1.0 (normal inspection)
• Fig. 4 OC curve of one sampling scheme with AQL=1.0 (tightened test)
• Fig. 5 Ac=0 sampling scheme OC curve
• Figure 6 Operation curve of a sampling plan for non-critical nonconforming items (Procedure B)
• Figure 7 Normal test OC curve for AQL=1.0
• Figure 8 Strictly Tested OC Curve for AQL = 1.0
• Figure 9 AQL = 1.0 relaxation test OC curve
• Table 1 Number of Acceptances for the 100% Inspection Ac
• Table 2 One-time sampling plan for normal, tightened and relaxed tests (AQL=1.0)
• Table 3 Example 1 (Batch 80, Inspection Level II)
• Table 4 Example 2 (Batch 400, Inspection Level II)
• Table 5 Example 3 (Batch 800, Inspection Level III)
• Table 6 Sampling scheme for key nonconformities (Ac=0)
• Table 7 Secondary sampling plan for normal, tightened and relaxed tests (AQL=1.0)
• Table 8 Calculation of Transfer Score
• Table 9 One-time sampling OC curve list value of AQL=1.0
• Table 10. Single sampling scheme for Ac=0 List of OC curves (normal inspection)
• Table 11 Upper limit of average detection quality (AOQL) for AQL=1.0
• Table 12 Average Detection Upper Limit (AOQL) of Ac=0 for Sampling Plans
• Table 13 Consumer risk quality (CRQ) 32 for the AQL=1.0 scheme
• Table 14 Consumer Risk Quality (CRQ) for Zero Receiver Plan
• Table 15 Producer Risk (PR) with AQL=1.0
• Table 16 Producer Risk (PR) for Zero Receiver Plan
• Table 17 Sampling plans for non-critical nonconformities (Procedure A, LQ=5.0)
• Table 18 Sampling Plan for Critical Nonconformities (Procedure A)
• Table 19 Receiving Probability of Zero Receiver Scheme
• Table 20 One sampling plan for non-critical nonconformities (Procedure B, LQ=5.0)
• Table 21 Equivalent sample size for one sampling and subsampling 38
• Table 22 Equivalent acceptances for one sampling and subsampling 38
• Table 23 Sample size of "s method" and "sigma method" (AQL=1.0)
• Table 24 S-method sampling plan
• Table 25 Value of alphan
• Table 26 "Sigma method" sampling plan
• Table 27 Receiving Constants for Relaxation Inspection Qualification
• Table 28 The cU value of the control limit on sample standard deviation
• Table 29 Normally Tested OC Curve Table Column Values for AQL=1.0
• Table 30 Strictly Tested OC Curve Table AQL=1.0 Column Value
• Table 31 Relaxation check OC curve table column value 51 for AQL=1.0
• Table 32 Consumer Risk Quality of "s Method"
• Table 33 Consumer Risk Quality (CRQ) for the sigma Method
• Table 34 Producer Risk (s) of "S Method"
• Table 35 Producer Risk (PR) for "sigma Method"
• Table A.1 Random Number