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AQL
Auditough uses the MIL-STD-105E tables (also known as AQL tables) to measure acceptable levels of product quality. These tables are a US standard with equivalents in all national and international standardization organizations (ANSI/ASQC Z1.4, ISO 2859, NF06-022, BS 6001, UN 148-42, KS A 3109, DIN 40080).
How do I determine the right sample size and acceptance number?
For a hypothetical inspection of a 4,000-unit lot, with an Acceptable Quality Level of II, Table B indicates that the sampling size should be 200 units. For an AQL of 2.5, the corresponding acceptance number is 10.
Defects found during inspection are classified into three categories as follows:
Critical Defect - corresponds to a defect likely to be unsafe for consumers. Our default Critical Defect AQL is 0.
Major Defect - results in function failures or reduction of product usability or obvious appearance faults which may affect the salability of the product. Our default Major Defect AQL is 2.5.
Minor Defect - doesn't reduce the usability or function of the product, but is beyond the defined quality standard and may reduce the salability of the product. Our default Minor Defect AQL is 4.0.
You could also specify what points are Minor, Major or Critical in your tailor-made checklist.
Quality control and standardization are extremely closely linked.
