欧洲发布新标准 EN 50689:2021 Safety of laser products — Particular Requirements for Consumer Laser Products,关于消费者激光产品的辐射安全,在2024年9月27日后强制实施。在较早发布的 EN 60825-1:2014+A11:2 ...
IEC 61000-3-12:2011/AMD1:2021 Amendment 1 - Electromagnetic compatibility (EMC) - Part 3-12: Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with in ...
IEC 61000-3-3:2013+A1:2017+A2:2021 is concerned with the limitation of voltage fluctuations and flicker impressed on the public low-voltage system.It specifies limits of voltage changes which may be p ...