表 1 界限数累计样本大小合格质量水平(AQL)0
510~159160~199200~249250~314+++++++++++++++++++++++++++++++++++++++++++++++++++0315~399400~499500~629630~799+++++++++++++++++++++++++++++++++++++++++++0+0121246800~9991000~12491250~15991600~1999+++++++++++++++++++++++++++++++++++0+01212464691291215192000~24992500~31493150~39994000~4999+++++++++++++++++++++++++++0+012124646912912151915192531253139505000~62996300~79998000~999910000~12499+++++++++++++++++++0+012124646912912151915192531253139503950636312500~1599916000~1999920000~2499925000~31499+++++++++++0+01124469912151519252531393950636331500~3999940000~4999950000~62999≥63000+++0+0注:+表示对此合格质量水平,累计连接 10 个批的样本大小转入放宽检查是不够的,必须接着累计连接合格得样本大小,直到表中有界限数可比较
假如接着累计时出现一批不合格,则此批以前检查的结果以后不能继续使用
表 2 样本大小字码批量范围特别检查水平一般检查水平S—1S-