测量不确定度是对测量结果质量的定量表征,测量结果附有不确定度才是完整并有意义。它是表明测量结果分散性的一个参数,其大小在一定程度上标明测量结果的可用性。根据检验所自身需要,针对绝缘老化前断裂伸长率的不确定度进行评定。 Uncertainty of measurement is the quantitative characterization of the quality of measurement results, the measurement results with uncertainty is complete and meaningful. It is a parameter that indicates the scatter of the measurement and its size to some extent indicates the availability of the measurement. According to the inspection needs of their own, for the insulation aging before the assessment of the elongation at break.