How to read the “ANSI tables”, aka “AQL tables”. Source: Mil-Std E, replaced by commercial standards: ISO, ANSI/ASQ Z, NF, BS ANSIASQZRSampling Procedures and Tables for Inspection by Attributes-Sampling Procedures and Tables for Inspection by Attributes is an. Know the switching rules for ANSI/ASQ Z Categorize the various sampling plan systems in terms of lot-by-lot, continuous production, attributes or variables.

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Standards Subsctiption may be the perfect solution. Our Services Coverage in Asia. Subscription pricing is determined by: On the top of the second AQL chart, you can find the defect levels, ranging from 0 to 6. Please first verify your email before subscribing to alerts.


This standard is also available in these packages:. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. To find the AQL sampling size for inspection, we look at the first chart and locate the range of total items produced on the z1.4-2003 side.

As the voice of the U. Add to Alert PDF. It provides tightened, normal, and reduced plans to be applied for attributes inspection for percent nonconforming or nonconformities per units. How to use the AQL Tables?


ANSI/ASQ Z1.4–2003 (R2013): Sampling Procedures and Tables for Inspection by Attributes

How to find your sampling size on the AQL table? Of course, the decision about what to do after your received z.14-2003 inspection results belongs to you. Your Alert Profile lists the documents that will be monitored.

This standard is also available to be included in Standards Subscriptions. Need more than one copy? Already Subscribed to this document. In case the inspection results are very close to AQL limits, it is important that you double check if the level of found defects is acceptable to you or not.

We have no amendments or corrections for this standard. Inspection process What do we inspect during an inspection?

ANSI/ASQ Z– (R): Sampling Procedures and Tables for Inspection by Attributes | ASQ

You can download and open this file to your own computer but DRM prevents opening this file on another computer, zsqc a networked server.

Download the AQL table.

If the document is revised or amended, you will be notified by email. Choose which level to apply to each type of defect: Proceed to Checkout Continue Shopping.

Level II is the standard and is most commonly used. For example, if you are producing 8, items, at level II that results in the letter L which in turn corresponds to the inspection of items in the second table. If we inspect a general level II sampling size on multiple references orders, then the sampling size is diluted and divided by the number of references, increasing the risks as the sampling size must not be representative enough.


We use detailed product checklists for these definitions. For a standard order, the standard level II from the AQL gives the minimum sampling size we should check per reference if you do not want to take additional risks. For any services Please contact Hong Kong: Please first log in with a verified email before subscribing to alerts.

Acceptable Quality Limit (AQL) for product Inspections

The AQL tables are incorporated into international quality standards to help ensure product quality meets your expectations. Sampling Procedures and Tables for Inspection by Attributes is an acceptance sampling system to be used with switching rules on a continuing stream of lots for AQL specified.

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