FAQ


What does Defect classification mean?

Defect classification:

Defects detected during visual inspection are classified within 3 categories, "Critical", "Major" and "Minor" and the normal definitions are:

  • Critical defects - A defect that fails to meet mandatory regulations and / or affects the safety of the consumer when using the product.
  • Major defects - A defect that results from product failure, reduces reduction the usability of the product and affects the salability of the product.
  • Minor defects - A defect that should not reduce the usability of the product, but is likely to reduce the salability or a discrepancy between the quality of model samples and the final product.

What does Sampling standard mean?
Sampling standard:
The size of samples used during the inspections is determined on the basis of HQTS uses the MIL STD 105E tables, which are recognized standard in all branches of industry. This American standard has now equivalents in all national and international standardization organizations. Basically, this standard is a proven method of accepting or rejecting a production lot by inspecting a randomly selected lot of product.

What does AQL mean?
Acceptable Quality Level (AQL):
It means the value of defects, expressed as a percentage by the particular sampling procedure and the level used will identify what the buyer will normally accept in the majority of cases. Different AQLs may be established for different defect classifications such as Critical, Major and Minor.
Defect High valued products Low valued products
Critical Not allowed Not allowed
Major AQL 1.0/1.5 AQL 2.5
Minor AQL 2.5/4.0 AQL 4.0

Copyright © 2024 Evaluation

Design by Graff