AS/NZS 1338.2:1992

1 - AS/NZS 1338.2:1992 FILTERS FOR EYE PROTECTORS - FILTERS FOR PROTECTION AGAINST ULTRAVIOLET RADIATION
4 - PREFACE
4 - CONTENTS
5 - SECTION 1 SCOPE AND GENERAL
5 - 1.1 SCOPE
5 - 1.2 REFERENCED DOCUMENTS
5 - 1.3 DEFINITIONS
6 - SECTION 2 CLASSIFICATION OF AND REQUIREMENTS FOR ULTRAVIOLET FILTERS
6 - 2.1 GENERAL
6 - 2.2 TRANSMITTANCE CHARACTERISTICS
6 - 2.3 DESIGNATION OF FILTERS
6 - 2.3.1 General
6 - 2.3.2 Code number
6 - 2.3.3 Shade number
6 - 2.4 PAIRS OF FILTERS
6 - 2.5 TRANSMITTANCE LIMITS
7 - SECTION 3 ASSESSMENT OF COMPLIANCE WITH THIS STANDARD
7 - 3.1 SEQUENCE OR GROUPING OF TEST SPECIMENS
7 - SECTION 4 MARKING
7 - 4.1 MARKING OF FILTERS
8 - APPENDIX A - GUIDANCE ON SELECTION OF FILTERS FOR PROTECTION AGAINST ULTRAVIOLET RADIATION
9 - APPENDIX B - DETERMINATION OF TRANSMITTANCES
9 - B1 TRANSMITTANCES FOR ULTRAVIOLET AND VISIBLE RADIATION
9 - B2 LUMINOUS TRANSMITTANCE

Specifies requirements for filters used in eye protection against ultraviolet radiation. A classification system of code and shade numbers is provided together with transmittance requirements for such filters.

This Standard specifies requirements for filters used in eye protection against ultraviolet radiation. It provides a system of designating code numbers and shade numbers for filters and specifies the transmittance requirements for such filters.NOTE: Guidance on the selection of filters is given in Appendix A.

In Australia First published as part of AS B91-1951.
Revised and redesignated AS Z45-1967.
Revised and redesignated AS 1338-1974.
Revised and redesignated in part as AS 1338.2-1981.
In New Zealand First published as NZS 5817.2:1983.
AS 1338.2-1981 and NZS 5817.2:1983 revised, amalgamated and designated as Joint Standard AS/NZS 1338.2:1992.