Published
This document specifies the design, construction, guidance on use and maintenance of a dynamic loading device for the following categories of hand-held power tools: 
- percussive;
- rotary-percussive.
The device can be used when measurements are being made for vibration and noise including when required for specification in test standards.
                    PUBLISHED
                    DS ISO/TR 20571:2018
                    60.60
                                        Standard published
                    Feb 12, 2020