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在产品检验中要通过特性参数测量来判定产品是否符合标准要求,这就涉及合格评定的判定规则。而合格与不合格的判定与测量不确定度有关,因此对于比较重要的产品检验的合格判定,应该考虑测量不确定度的影响。因为当产品检验结果的量值接近产品技术要求的临界值时,如果不考虑不确定度的影响,可能将不合格产品判定为合格,或将合格产品判定为不合格。一、合格评定的基本概念合格评定是指确定一个产品、过程、系统或机构等对象是否满足规定要求的活动。检验是指带有观察和判断的合格评定,通过必要的测量、测试或检查而实现。根据合格评定的需要所进行的测量,有时称为检验测量。
In the product inspection to determine through the characteristic parameters to determine whether the product meets the standard requirements, which involves the rules of conformity assessment. The qualified and unqualified judgments and measurement uncertainty, so the more important product testing pass judgment, you should consider the impact of measurement uncertainty. Because when the test results of the product value close to the critical value of the product technical requirements, if you do not consider the impact of uncertainty, the product may be judged unqualified qualified, or qualified as unqualified products. First, the basic concept of conformity assessment Conformity assessment refers to the determination of a product, process, system or organization and other objects to meet the requirements of the activities. Inspection refers to conformity assessment with observation and judgment, achieved through the necessary measurements, tests or inspections. According to the needs of conformity assessment conducted by the measurement, sometimes referred to as the test measurement.