IEC 61326-1:2020 is available as IEC 61326-1:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61326:2020 specifies requirements for immunity and emissions regarding electro¬magnetic compatibility (EMC) for electrical equipment, operating from a supply or battery of less than 1 000 V AC or 1 500 V DC or from the circuit being measured. Equipment intended for professional, industrial-process, industrial-manufacturing and educational use is covered by this part. It includes equipment and computing devices for
- measurement and test;
- control;
- LABORATORY use;
- accessories intended for use with the above (such as sample handling equipment),
intended to be used in industrial and non-industrial locations.