NBN EN 12254 : 2010 COR 2011

Foreword
1 Scope
2 Normative references
3 Definitions
4 Requirements
    4.1 Spectral transmittance
    4.2 Stability to laser radiation
    4.3 Stability to UV radiation
    4.4 Stability at elevated temperature
    4.5 Mechanical strength
    4.6 Resistance to ignition
5 Testing
    5.1 Spectral transmittance
    5.2 Stability to laser radiation
    5.3 Stability to UV radiation
    5.4 Stability at elevated temperature
    5.5 Mechanical strength
6 Marking
7 Information supplied by the manufacturer
Annex A (informative) - Principles
      A.1 - Limiting values
      A.2 - Time base used to calculate the MPE values
      A.3 - Stability to laser radiation
Annex B (informative) - Selection of screens for laser working
                        places
      B.1 - General
      B.2 - Pulsed lasers

Defines functional requirements and a product labelling system which applies to a range of temporary and permanent passive guards, known as screens, to protect from laser radiation, including test procedures for testing functional performance, together with the specification of the user documentation for supplying with the product.