AS/NZS 1338.1:2012
Filters for eye protectors - Part 1: Filters for protection against radiation generated in welding and allied operations
Specifies requirements for filters used in eye protectors intended to provide protection against radiation of high intensity emitted during welding and allied operations. It specifies the shade numbers and the transmittance requirements of the filters and applies to filters made of glass or other materials for absorption of radiation.
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AS/NZS 1338.1:2012 FILTERS FOR EYE PROTECTORS - FILTERS FOR PROTECTION AGAINST RADIATION GENERATED IN WELDING AND ALLIED...
PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.4 DESIGNATION OF FILTERS
1.4.1 General
1.4.2 Code number
1.4.3 Shade number
SECTION 2 GENERAL REQUIREMENTS
2.1 FILTERS FOR GAS WELDING
2.1.1 Finish
2.1.2 Materials
2.1.3 Visual quality
2.1.4 Viewing area
2.1.5 Uniformity and grading
2.1.6 Thermal stability
2.1.7 Permanence
2.1.8 Dimensions
2.1.9 Optical properties of filters
2.1.10 Transmittance characteristics
2.1.11 Transmittance limits
2.1.12 Scattered light
2.2 FILTERS FOR ELECTRIC WELDING
2.2.1 Finish
2.2.2 Materials
2.2.3 Visual quality
2.2.4 Viewing area
2.2.5 Uniformity and grading
2.2.6 Thermal stability
2.2.7 Permanence
2.2.8 Dimensions
2.2.9 Optical properties of filters
2.2.10 Transmittance
2.2.11 Scattered light
2.3 COVER PLATES
2.3.1 Material and quality
2.3.2 Transmission of visible radiation
2.4 ADDITIONAL REQUIREMENTS FOR AUTOMATIC WELDING FILTERS
2.4.1 Response times
2.4.2 Holding times
2.4.3 Operating temperatures
2.4.4 Luminous transmittance
SECTION 3 TESTING
3.1 GENERAL
3.2 SEQUENCE OR GROUPING OF TEST SPECIMENS
3.2.1 Sequence of testing for passive filters
3.2.2 Sequence of testing for automatic welding filters
SECTION 4 MARKING
4.1 MARKING OF FILTERS
4.2 IDENTIFICATION MARKING OF COVER PLATES
4.3 MARKING OF AUTOMATIC WELDING FILTERS
4.4 ADDITIONAL INFORMATION
APPENDIX A - GUIDANCE ON SELECTION OF FILTERS FOR PROTECTION AGAINST OPTICAL RADIATION GENERATED DURING WELDING AND...
APPENDIX B - DETERMINATION OF PERMANENCE OF FILTERS
B1 SCOPE
B2 PRINCIPLE
B3 APPARATUS
B4 PROCEDURE
B5 TEST REPORT
APPENDIX C - DETERMINATION OF THE RESPONSE TIME AND HOLDING TIME OF AUTOMATIC WELDING FILTERS
C1 SCOPE
C2 PRINCIPLE
C3 APPARATUS
C4 ENVIRONMENTAL CONDITIONS
C5 PROCEDURE
C6 TEST REPORT
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References
Light-transmitting screens and curtains for welding operations
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AS/NZS 1338.1:2012 FILTERS FOR EYE PROTECTORS - FILTERS FOR PROTECTION AGAINST RADIATION GENERATED IN WELDING AND ALLIED...
PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.4 DESIGNATION OF FILTERS
1.4.1 General
1.4.2 Code number
1.4.3 Shade number
SECTION 2 GENERAL REQUIREMENTS
2.1 FILTERS FOR GAS WELDING
2.1.1 Finish
2.1.2 Materials
2.1.3 Visual quality
2.1.4 Viewing area
2.1.5 Uniformity and grading
2.1.6 Thermal stability
2.1.7 Permanence
2.1.8 Dimensions
2.1.9 Optical properties of filters
2.1.10 Transmittance characteristics
2.1.11 Transmittance limits
2.1.12 Scattered light
2.2 FILTERS FOR ELECTRIC WELDING
2.2.1 Finish
2.2.2 Materials
2.2.3 Visual quality
2.2.4 Viewing area
2.2.5 Uniformity and grading
2.2.6 Thermal stability
2.2.7 Permanence
2.2.8 Dimensions
2.2.9 Optical properties of filters
2.2.10 Transmittance
2.2.11 Scattered light
2.3 COVER PLATES
2.3.1 Material and quality
2.3.2 Transmission of visible radiation
2.4 ADDITIONAL REQUIREMENTS FOR AUTOMATIC WELDING FILTERS
2.4.1 Response times
2.4.2 Holding times
2.4.3 Operating temperatures
2.4.4 Luminous transmittance
SECTION 3 TESTING
3.1 GENERAL
3.2 SEQUENCE OR GROUPING OF TEST SPECIMENS
3.2.1 Sequence of testing for passive filters
3.2.2 Sequence of testing for automatic welding filters
SECTION 4 MARKING
4.1 MARKING OF FILTERS
4.2 IDENTIFICATION MARKING OF COVER PLATES
4.3 MARKING OF AUTOMATIC WELDING FILTERS
4.4 ADDITIONAL INFORMATION
APPENDIX A - GUIDANCE ON SELECTION OF FILTERS FOR PROTECTION AGAINST OPTICAL RADIATION GENERATED DURING WELDING AND...
APPENDIX B - DETERMINATION OF PERMANENCE OF FILTERS
B1 SCOPE
B2 PRINCIPLE
B3 APPARATUS
B4 PROCEDURE
B5 TEST REPORT
APPENDIX C - DETERMINATION OF THE RESPONSE TIME AND HOLDING TIME OF AUTOMATIC WELDING FILTERS
C1 SCOPE
C2 PRINCIPLE
C3 APPARATUS
C4 ENVIRONMENTAL CONDITIONS
C5 PROCEDURE
C6 TEST REPORT
Previous versions
AS/NZS 1338.1:2012
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.