AS/NZS 1338.3:2012

AS/NZS 1338.3:2012 FILTERS FOR EYE PROTECTORS - FILTERS FOR PROTECTION AGAINST INFRA-RED RADIATION

PREFACE

CONTENTS

SECTION 1 SCOPE AND GENERAL

1.1 SCOPE

1.2 REFERENCED DOCUMENTS

1.3 DEFINITIONS

SECTION 2 CLASSIFICATION OF AND REQUIREMENTS FOR INFRA-RED FILTERS

2.1 GENERAL

2.2 TRANSMITTANCE CHARACTERISTICS

2.3 DESIGNATION OF FILTERS

2.3.1 General

2.3.2 Code number

2.3.3 Shade number

2.4 PAIRS OF FILTERS

2.5 LUMINOUS TRANSMITTANCE AND CHROMATICITY COORDINATES

2.5.1 General

2.5.2 Cobalt blue filters

2.6 TRANSMITTANCE IN THE ULTRAVIOLET SPECTRUM

2.6.1 Measurement of spectral transmittance

2.6.2 Maximum transmittance

2.6.3 Maximum transmittance between 210 nm and 313 nm

SECTION 3 SEQUENCE OF TESTING

SECTION 4 MARKING

APPENDIX A - GUIDANCE ON SELECTION OF FILTERS FOR PROTECTION AGAINST INFRA-RED RADIATION