CISPR 11:2009适用于在0 Hz至400 GHz频率范围内运行的工业、科学和医疗电气设备，以及设计用于产生和/或使用本地射频能量的家用和类似设备。CISPR 11:2009涵盖了与频率范围为9 kHz至400 GHz的射频（RF）干扰相关的发射要求。仅需在第6条规定的频率范围内进行测量。ISM RF应用的定义见ITU无线电法规（见定义3）。 1） ，本标准涵盖与频率范围为9 kHz至18 GHz的射频干扰相关的发射要求。在ITU无线电法规规定的ISM频带内工作的ISM RF照明设备和紫外线辐射器的要求包含在本标准中。其他CISPR产品和产品系列排放标准涵盖的设备不在本标准范围内。CISPR 11的第五版取消并取代了2003年出版的第四版及其修正案1（2004）和修正案2（2006）。 这是一项技术性修订。CISPR 11第五版的结构更加透明，为额定输入功率超过20 kVA的a类1组“重型”通用设备的传导和辐射干扰引入了另一套特殊限值，根据行业需求，参考CISPR 16 4中规定的测量仪器不确定度的完整方法。此外，任何类型的“法律声明”均已从本国际标准的规范性主体中删除。 根据IEC指南107《电磁兼容性-电磁兼容性出版物起草指南》（2009年），它具有产品系列EMC标准的地位。

CISPR 11:2009 applies to industrial, scientific and medical electrical equipment operating in the frequency range 0 Hz to 400 GHz and to domestic and similar appliances designed to generate and/or use locally radio-frequency energy. CISPR 11:2009 covers emission requirements related to radio-frequency (RF) disturbances in the frequency range of 9 kHz to 400 GHz. Measurements need only be performed in frequency ranges where limits are specified in Clause 6. For ISM RF applications in the meaning of the definition found in the ITU Radio Regulations (see Definition 3.1), this standard covers emission requirements related to radio-frequency disturbances in the frequency range of 9 kHz to 18 GHz. Requirements for ISM RF lighting apparatus and UV irradiators operating at frequencies within the ISM frequency bands defined by the ITU Radio Regulations are contained in this standard. Equipment covered by other CISPR product and product family emission standards are excluded from the scope of this standard. This fifth edition of CISPR 11 cancels and replaces the fourth edition published in 2003, its Amendment 1 (2004) and Amendment 2 (2006). It constitutes a technical revision. This fifth edition of CISPR 11 got a more transparent structure, introduces another set of particular limits for conducted and radiated disturbances of 'heavy duty' general purpose equipment of class A group 1 with a rated input power in excess of 20 kVA, in accordance with the needs of the industries and refers to the full approach in respect of the measurement instrumentation uncertainty specified in CISPR 16 4 4. Furthermore, any kind of 'legal statements' were removed from the normative main body of this International Standard. It has the status of a Product Family EMC standard in accordance with IEC Guide 107, Electromagnetic compatibility - Guide to the drafting of electromagnetic compatibility publications (2009).