CISPR 11:2015

Industrial, scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement

📅 Issue date：2015 🔄 Effective date：2015 🌍 Type：国际标准

📑 Table of Contents

1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Test methods

01 Scope

CISPR 11 specifies limits and measurement methods for RF disturbance from ISM equipment and domestic RF appliances, managed by group (1/2) and class (A/B). GB 4824-2019 is modified-adopted.

02 Normative references

CISPR 16-1-x / 16-2-x measuring apparatus and methods
IEC 61000-3-2 / IEC 61000-3-3 (if applicable)

03 Terms and definitions

ISM equipment

Industrial, scientific and medical RF equipment.

Group 1 / Group 2

Group 1 unintentionally generates RF; Group 2 intentionally generates RF for material/medical treatment.

Class A / Class B

Class A industrial environment; Class B domestic (stricter).

04 Technical requirements

Conducted disturbance

Mains-terminal limits 150 kHz~30 MHz by group/class (Class B stricter).

Radiated disturbance

Limits 30 MHz~1 GHz (and above) by group/class and distance.

05 Test methods

Measurement

Per CISPR 16-2 in anechoic/open area; Group 2 at worst-case mode.

📎 Related standards

Disclaimer：This page is a technical summary of the corresponding standard for quick reference. All limits, clauses and methods are subject to the official publication and its latest amendments; formal compliance assessment must refer to the official issued text.