SN EN 60825-4 : 1997 AMD 2 2003

Foreword
Introduction
1 General
  1.1 Scope
  1.2 Normative references
  1.3 Definitions
2 Laser processing machines
  2.1 Design requirements
  2.2 Performance requirements
  2.3 Validation
  2.4 User information
3 Proprietary laser guards
    3.1 Design requirements
    3.2 Performance requirements
    3.3 Specification requirements
    3.4 Test requirements
    3.5 Labelling requirements
    3.6 User information
Annex A (informative) General guidance on the design and selection
                      of laser guards
Annex B (informative) Assessment of foreseeable exposure limits
Annex C (informative) Elaboration of defined terms
Annex D (normative) Proprietary laser guard testing
Annex E (informative) Guidelines on the arrangement and installation
                      of laser guards
Annex ZA (normative) Normative references to international
                      publications with their corresponding European
                      publications
Bibliography

Defines the requirements for laser guards, permanent and temporary (for example for service), that enclose the process zone of a laser processing machine, and specifications for proprietary laser guards.