ASTM E1994-09(2018)

Standard Practice for Use of Process Oriented AOQL and LTPD Sampling Plans

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STANDARD published on 1.9.2018

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The information about the standard:

Designation standards: ASTM E1994-09(2018)
Publication date standards: 1.9.2018
SKU: NS-897820
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: American technical standard
Category: Technical standards ASTM

The category - similar standards:

Application of statistical methods

Annotation of standard text ASTM E1994-09(2018) :

This practice is primarily a statement of principals for the guidance of ASTM technical committees and others in the use of average outgoing quality limit, AOQL, and lot tolerance percent defective, LTPD, sampling plans for determining acceptable of lots of product. Two general types of tables are given, one based on the concept of lot tolerance, LTPD, and the other on AOQL. For each of the types, tables are provided both for single sampling and for double sampling. Each of the individual tables constitutes a collection of solutions to the problem of minimizing the over-all amount of inspection. In this practice, two distinct methods of inspection are employed: single sampling and double sampling. In single sampling only one sample is permitted before a decision is reached regarding the disposition of the lot, and the acceptance criterion is expressed as an acceptance number, c. In double sampling, a second sample is permitted and two acceptance numbers are used; the first, c1, applying to the observed number of defectives for the first sample alone and the second, c2, applying to the observed number of defectives for the first and second samples combined.

average outgoing quality limit, lot tolerance percent defective, sampling, sampling plans,, ICS Number Code 03.120.30 (Application of statistical methods)

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