Lot size: 400 Inspected at level II, AQL2.5 Sample size: 50 Acceptance number: 3 ( 3 or fewer defects found, pass) Rejection number: 4 (4 or more defects found, fail) Special Situations You Are Likely to Encounter When Using AQL Chart. ...
On the AQL columns, you line up your AQL sample size of 125 units with the appropriate levels. If you are ordering consumer products, you will use 0.0 for critical defects, 2.5 for major defects, and 4.0 for minor defects as the AQL standards. For AQL 2.5 in the chart, 7 major defect...
AQLChart Ac Re Ac Re Ac Re Ac Re Ac Re Ac Re Ac Re Ac Re Ac Re Ac Re Ac Re Ac Re Ac Re A 20 1 B 30 1 1 2C 50 1 1 223D 80 1 122334E 130 1 12233456F 200 1 1223345678G 320 1 122334567810111.5 2.5 4 6.5 10 15 Acceptance Quality Levels (Normal Inspection)...
Our inspectors would be delighted to assist you to determine the correct levels, sample size and acceptance numbers Sample Size Chart – this will allow you to determine the amount or quantity of your sample Use the letter identified in the Sample Size Chart to determine the Acceptance Values an...
Locate Row L (the required sample size of 200)In compliance with AQL 2.5, no more than 10 units from a sample size of 200 may fail the inspection. Simulate Your AQL Sampling Go ahead and simulate your next sampling inspection: Enter your shipment lot quantity ...
3.13批lot按抽样目的,在基本相同条件下组成的总体的一个确定部分。注:例如,抽样目的可以是判定批的可接收性,或是估计某特定特性的均值。[引自GB/T3358.2]3.14批量lotsize批(3.13)中产品的数量。[引自GB/T2828.1—2003,3.1.14]3.15样本sample由一个或多个抽样单元构成的总体的子集。[引自GB/T3358.2]3.16样本量...
Our calculator is based on the AQL tables but gives you a fast answer. Fill in the calculator to easily find your perfect sample size (the number of pieces that should be randomly checked from the lot being examined) and the number of major and minor defects that can be tolerated based ...
This is calculated using statistic valid sample sizes. How to read the AQL sampling tables The first step toward making the best use of the AQL tables is knowing the core concepts and chart definitions. Lot or batch size How many units there are in a given production. If you, for example...
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The chart below depicts the risk associated with reducing the inspection sample size in certain situations. In our example, the client’s lot size is 12,000 pieces with an AQL of 1.5. At this AQL level, a 5% defect rate is accepted (i.e. combination of major & minor defects equalling ...