BS EN ISO 28927-2:2009+A1:2017

This standard BS EN ISO 28927-2:2009+A1:2017 Hand-held portable power tools. Test methods for evaluation of vibration emission is classified in these ICS categories:

• 13.160 Vibration and shock with respect to human beings
• 25.140.01 Hand-held tools in general
• 25.140.10 Pneumatic tools

This part of ISO 28927 specifies a laboratory method for measuring hand-transmitted vibration emission at the handles of hand-held power-driven wrenches, nutrunners and screwdrivers used for tightening and loosening threaded fasteners. It is a type-test procedure for establishing the magnitude of vibration in the gripping areas of a machine when operating at a specified load. The method has been tested for fastening tasks only. 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 (see Clause 5), driven pneumatically or by other means, with impact or impulse action, of shut-off, ratchet or stall type, and of all designs — straight, pistol-grip, angle or bow handle. It covers machines with 6,3 mm to 40 mm (1/4 in to 11/2 in) male or female drive output shafts, as well as other geometries. It is not applicable to nutrunners designed to be used only in torque reaction arms.

NOTE To avoid confusion with the terms “power tool” and “inserted tool”, machine is used for the former throughout this document.