关键词: 洗衣机, 洗净比, 洗净均匀度, 不确定度

Abstract: At present, washing machine products have become one of the indispensable electrical appliances in our family. The washing ratio is an important indicator that users will pay attention to when choosing washing machine products. By analyzing the uncertainty of the washing ratio test by taking the pulsator automatic washing machine as an example, and provides a reference for enterprises to improve the performance of washing machines, improve the quality of washing machines, and for third-party testing institutions to improve the accuracy of washing machine performance testing.

Key words: Washing machine, Rate of washing ability, Evenness of washing, Uncertainty