UNE-EN IEC 60825-4:2024

This part of IEC 60825 specifies the requirements for laser guards, permanent and temporary(for example for service), that enclose the process zone of a laser processing machine, andspecifications for proprietary laser guards.This standard applies to all component parts of a guard including clear (visibly transmitting)screens and viewing windows, panels, laser curtains and walls.In addition this part of IEC 60825 indicates:a) how to assess and specify the protective properties of a laser guard; andb) how to select a laser guard.NOTE: Requirements for beam path components, beam stops and those other parts of a protective housing of alaser product which do not enclose the process zone are contained in IEC 60825-1.This part of IEC 60825 deals with protection against laser radiation only. Hazards fromsecondary radiation that may arise during material processing are not addressed.