GB/T 4214.21-2025
ActiveTest method for noise of household and similar electrical appliances—Part 21：Particular requirements for oral hygiene appliances
家用和类似用途电器噪声测试方法 第21部分：口腔卫生器具的特殊要求
Application Summary AI generated
This standard specifies the particular requirements for measuring airborne noise emitted by oral hygiene appliances, such as electric toothbrushes and water flossers, under defined operating conditions. It is applied in the consumer goods industry for type testing and quality control of these household electrical devices. The standard ensures consistent noise evaluation for product labeling, regulatory compliance, and consumer information.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.