IEC 63174:2021适用于用于电动清洁牙齿的电动牙刷。成人和儿童的充电式牙刷和原电池供电的牙刷都在本文件的范围内。 本文件描述了第4条所列性能参数测量的试验方法。 本文件的目的仅是规定测量方法；它没有定义任何极限值。

IEC 63174:2021 applies to electrically operated toothbrushes used for electric cleaning of teeth. Rechargeable toothbrushes and primary battery operated toothbrushes, both for adults and children, are within the scope of this document.
This document describes the test methods for measurement of the performance parameters as listed in Clause 4.
The purpose of this document is only to specify the measurement method; it does not define any limit values.