AS/NZS 1338.3:1992

1 - AS/NZS 1338.3:1992 FILTERS FOR EYE PROTECTORS - FILTERS FOR PROTECTION AGAINST INFRA-RED RADIATION
4 - PREFACE
4 - CONTENTS
5 - SECTION 1 SCOPE AND GENERAL
5 - 1.1 SCOPE
5 - 1.2 REFERENCED DOCUMENTS
5 - 1.3 DEFINITIONS
5 - 1.3.1 Chromaticity
6 - SECTION 2 CLASSIFICATION OF AND REQUIREMENTS FOR INFRA-RED 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 LUMINOUS TRANSMITTANCE AND CHROMATICITY COORDINATES
6 - 2.5.1 General
6 - 2.5.2 Cobalt blue filters
6 - 2.6 TRANSMITTANCE IN THE ULTRAVIOLET SPECTRUM
6 - 2.6.1 Maximum transmittance of all shades
6 - 2.6.2 Maximum transmittance for values between 210 nm and 313 nm
9 - SECTION 3 ASSESSMENT OF COMPLIANCE WITH THIS STANDARD
9 - 3.1 SEQUENCE OR GROUPING OF TEST SPECIMENS
9 - SECTION 4 MARKING
9 - 4.1 MARKING OF FILTERS
10 - APPENDIX A - GUIDANCE ON SELECTION OF FILTERS FOR PROTECTION AGAINST INFRA-RED RADIATION
11 - APPENDIX B - DETERMINATION OF TRANSMITTANCES
11 - B1 TRANSMITTANCES FOR ULTRAVIOLET RADIATION
11 - B2 LUMINOUS TRANSMITTANCE
11 - B3 TRANSMITTANCES FOR INFRA-RED RADIATION

Specifies requirements for filters used in eye protection against infra-red 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 infra-red radiation. It provides a system of designating code numbers and shade numbers and specifies the transmittance requirements for such filters.

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 1338.3-1981.
In New Zealand First published as NZS 5817.3:1981.
AS 1338.3-1981 and NZS 5817.3:1981 revised, amalgamated and designated as Joint Standard AS/NZS 1338.3:1992.