IEC 62885-4:2020+AMD1:2023适用于家用无绳干式真空吸尘器或在类似于家庭条件下的性能测量。根据本文件获得的结果旨在与根据IEC 62885-2获得的干线连接真空的结果相比较。本文件旨在规定用户感兴趣的无绳干式真空吸尘器的基本性能特征，并描述测量这些特征的方法。本标准应与IEC 62885-2:2016一起阅读，除非本标准另有规定，否则本标准适用。

IEC 62885-4:2020+AMD1:2023 is applicable to measurements of the performance of cordless dry vacuum cleaners for household use or under conditions similar to those in households. The results obtained under this document are intended to be comparable to the results obtained under IEC 62885-2 for mains-connected vacuums. The purpose of this document is to specify essential performance characteristics of cordless dry vacuum cleaners which are of interest to users and to describe methods for measuring these characteristics. This standard is to be read in conjunction with IEC 62885-2:2016, to which it refers, and which is applicable unless otherwise specified in this standard.