This part of ISO 28927 specifies a laboratory method for measuring hand-transmitted vibration emission at the
handles of hand-held power-driven angle and vertical grinders. It is a type-test procedure for establishing the
magnitude of vibration in the gripping areas of a machine fitted with a specified test wheel and run under
no-load conditions. The method has been established for surface grinding tasks only. Cutting and sanding
generally create lower vibrations. It is intended that the results be used to compare different models of the
same type of machine.
This part of ISO 28927 is applicable to hand-held machines, driven pneumatically or by other
means, intended for grinding, cutting-off and rough sanding, with bonded, coated and super-abrasive products
for use on all kinds of materials. It is not applicable to grinders used with wire brushes, nor is it applicable to
die or straight grinders.