IEC 61010-2-051:2018 is also available as IEC 61010-2-051:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61010-2-051:2018 is applicable to electrically operated laboratory equipment and its accessories for mechanical mixing and stirring, where mechanical energy influences the shape or size or homogeneity of materials and their accessories. Such devices can contain heating elements. It has the status of a group safety publication in accordance with IEC Guide 104. This fourth edition cancels and replaces the third edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- adaptation of changes introduced by Amendment 1 of IEC 61010-1;
- added tolerance for stability of AC voltage test equipment to Clause 6;
- added required assessment for equipment intended to be used with flammable, hazardous, or toxic fluids to Clause 17.
This Part 2-051 is intended to be used in conjunction with IEC 61010-1. It was established on the basis of the third edition (2010) and its Amendment 1 (2016).