The standard categorizes equipment based on its intended location to determine the severity of EMC testing required: IEC 61326-1 General EMC Requirements Testing

The current version, , is the European adoption of IEC 61326-1:2020 . Scope and Application

Multimeters, oscilloscopes, and signal generators.

The standard is the essential European framework for the electromagnetic compatibility (EMC) of electrical equipment used in measurement, control, and laboratory environments . As a harmonized standard under the EU EMC Directive 2014/30/EU , it provides manufacturers with a "presumption of conformity," allowing them to apply the CE mark and sell their products within the European Economic Area.

Industrial process controllers, transducers, and programmable controllers (PLCs).