AS NZS 22119-2002 Safety of laser products Compilation of maximum permissible exposure to incoherent optical by SAIGlobalAPAC

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									                                                                                                                                      AS/NZS 2211.9:2002
                                                                                                                                      IEC TR 60825-9:1999
                                                                                           AS/NZS 2211.9




                                                                                                           Australian/New Zealand Standard™
This is a free 7 page sample. Access the full version at http://infostore.saiglobal.com.




                                                                                                           Safety of laser products

                                                                                                           Part 9: Compilation of maximum
                                                                                                           permissible exposure to incoherent
                                                                                                           optical radiation
                                                                                           AS/NZS 2211.9:2002
                                                                                           This Joint Australian/New Zealand Standard was prepared by Joint Technical
                                                                                           Committee SF-019, Personal Protection Against Laser Radiation. It was approved
                                                                                           on behalf of the Council of Standards Australia on 30 August 2002 and on behalf of
                                                                                           the Council of Standards New Zealand on 3 September 2002. It was published on
                                                                                           1 October 2002.




                                                                                           The following are represented on Committee SF-019:
                                                                                           Australian Faculty of Occupational Medicine
                                                                                           Australian Chamber of Commerce and Industry
                                                                                           Australian Defence Force Academy
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                                                                                           Australian Dental Association
                                                                                           Australian Radiation Laboratory
                                                                                           Department of Defence (Australia)
                                                                                           National Radiation Laboratory New Zealand
                                                                                           Optus Communications
                                                                                           Queensland Health
                                                                                           Queensland University of Technology
                                                                                           Royal Australian College of Ophthalmologists
                                                                                           Telecom New Zealand
                                                                                           Telstra Corporation
                                                                                           WorkCover New South Wales




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                                                                                                   This Standard was issued in draft form for comment as DR 02343.
                                                                                                                                                      AS/NZS 2211.9:2002




                                                                                           Australian/New Zealand Standard™
This is a free 7 page sample. Access the full version at http://infostore.saiglobal.com.




                                                                                           Safety of laser products

                                                                                           Part 9: Compilation of maximum
                                                                                           permissible exposure to incoherent
                                                                                           optical radiation




                                                                                           First published as AS/NZS 2211.9:2002.




                                                                                           COPYRIGHT
                                                                                           © Standards Australia/Standards New Zealand
                                                                                           All rights are reserved. No part of this work may be reproduced or copied in any form or by any
                                                                                           means, electronic or mechanical, including photocopying, without the written permission of the
                                                                                           publisher.
                                                                                           Jointly published by Standards Australia International Ltd, GPO Box 5420, Sydney, NSW 2001
                                                                                           and Standards New Zealand, Private Bag 2439, Wellington 6020
                                                                                           ISBN 0 7337 4825 2
                                                                                                                                               ii




                                                                                                                                           PREFACE

                                                                                           This Standard was prepared by the Standards Australia Committee SF-019, Safety of Laser Products.
                                                                                           It is identical with and has been reproduced from the European IEC TR 60825-9:1999, Safety of laser
                                                                                           products—Part 9: Compilation of maximum permissible exposure to incoherent optical radiation.
                                                                                           As this Standard is reproduced from an International Standard, the following applies.
                                                                                           (a)    Its number appears on the cover and title page while the International Standard number appears
                                                                                                  only on the cover.
                                                                                           (b)    In the source text, ‘this technical report’ should read ‘this Australian/New Zealand Standard’.
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                                                                                           (c)    A full point substitutes for a comma when referring to a decimal marker.
                                                                                           References to international Standards should be replaced by references equivalent to Australian or
                                                                                           Australian/New Zealand Standards, as follows:
                                                                                           Reference to International Standard or other             Australian/New Zealand publication
                                                                                           publication
                                                                                           IEC                                                      AS/NZS
                                                                                           60050          International Electrotechnical               —
                                                                                                          Vocabulary (IEV)
                                                                                           60050(845)     Chapter 845: Lighting                        —
                                                                                           60825          Safety of laser products                  2211       Safety of laser products
                                                                                           60825-1        Part 1: Equipment classification,         2211.1     Part 1: Equipment classification,
                                                                                                          requirements and user’s guide                        requirements and user’s guide
                                                                                           ISO                                                      AS ISO
                                                                                           1000           SI units and recommendations for          1000       The international system of units
                                                                                                          the use of their multiples and of                    (SI) and its application
                                                                                                          certain other units
                                                                                           11145          Optics and optical instruments—              —
                                                                                                          Lasers and laser-related
                                                                                                          equipment—Vocabulary and
                                                                                                          symbols
                                                                                           ISO/IEC                                                     —
                                                                                           Guide 51       Safety aspects—Guidelines for                —
                                                                                                          their inclusion in standards
                                                                                                                                                             iii




                                                                                                                                                    CONTENTS




                                                                                           Clause

                                                                                           1    Scope and object................................................................................................................ 1
                                                                                           2    Reference documents......................................................................................................... 2
                                                                                           3    Definitions......................................................................................................................... 3
                                                                                           4    Maximum permissible exposure ....................................................................................... 13
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                                                                                                4.1 General remarks....................................................................................................... 13
                                                                                                4.2 Measurement aperture ............................................................................................. 14
                                                                                                4.3 Pupil diameter.......................................................................................................... 15
                                                                                                4.4 Repetitively pulsed, modulated or scanned radiation.............................................. 16
                                                                                                4.5 Angular subtense of the source................................................................................ 18
                                                                                                4.6 Time basis................................................................................................................ 20
                                                                                                4.7 Radiance and irradiance .......................................................................................... 20
                                                                                                4.8 Maximum permissible exposure of the eye............................................................. 21
                                                                                                4.9 Maximum permissible exposure of the skin ........................................................... 31
                                                                                                4.10 Photometric quantities............................................................................................. 32
                                                                                           5    Measurements.................................................................................................................... 32
                                                                                                5.1 Measurement conditions.......................................................................................... 32
                                                                                                5.2 Measurement methods............................................................................................. 34

                                                                                           Annex A Spectral functions for the Blue-Light-Hazard and the Retinal Thermal Hazard
                                                                                           according to ICNIRP.................................................................................................................39
                                                                                           Annex B Ultraviolet exposure limits and spectral weighting functions according to ICNIRP......40
                                                                                           Annex C Relative spectral luminous efficiency according to CIE...........................................41
                                                                                           Annex D Action spectra............................................................................................................42
                                                                                           Annex E Bibliography .............................................................................................................46
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                                                                                                   iv


                                                                                           NOTES
                                                                                                                                       1

                                                                                           AUSTRALIAN/NEW ZEALAND STANDARD

                                                                                           Safety of laser products
                                                                                           Part 9:
                                                                                           Compilation of maximum permissible exposure to incoherent
                                                                                           optical radiation



                                                                                           1 Scope and Object
                                                                                           This Technical Report reconciles current Maximum Permissible Exposure
                                                                                           (MPE) values for the exposure of the human eye and skin to incoherent
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                                                                                           optical radiation from artificial sources in the wavelength range from
                                                                                           180 nm to 3000 nm with the ultimate goal of harmonisation. Exposure
                                                                                           limits between 3000 nm and 1 mm wavelength are currently undefined.

                                                                                           These values are based on the best available information from experimental
                                                                                           studies and should be used only as guides in the control of exposure to
                                                                                           radiation from artificial sources and should not be regarded as a precise
                                                                                           line between safe and dangerous levels.
                                                                                           NOTE The values of this report are applicable to most individuals, however, some
                                                                                           individuals may be hypersusceptible or otherwise unusually responsive to optical radiation
                                                                                           because of genetic factors, age, personal habits (smoking, alcohol, or other drugs), medication,
                                                                                           or previous exposures. Such individuals may not be adequately protected from adverse health
                                                                                           effects from exposure to optical radiation at or below the maximum permissible exposure
                                                                                           values of this report. Medical advise should be sought to evaluate the extent to which
                                                                                           additional protection is needed.

                                                                                           These values were mainly developed for exposure to artificial sources.
                                                                                           They may also be used for the evaluation of exposure to sunlight.

                                                                                           The MPE values should not be applicable to exposure of patients to optical
                                                                                           radiation for the purpose of medical treatment.

                                                                                           Maximum permissible exposure values for the exposure to radiation from
                                                                                           laser sources are defined in IEC 60825-1.
                                                                                           NOTE 1 Basic documents of this report were IEC 60825-1 (addressing lasers) and the
                                                                                           IRPA/ICNIRP Guidelines (addressing incoherent sources). ACGIH limits are slightly different
                                                                                           in wavelength ranges and in limit values.
                                                                                           NOTE 2 In spite of the fact that LEDs emit mainly incoherent radiation they are currently
                                                                                           dealt with in IEC 60825-1.




                                                                                                                                   COPYRIGHT
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                                                                                                             AS/NZS 2211.9:2002, Safety of laser products
                                                                                                             Compilation of maximum permissible exposure to
                                                                                                             incoherent optical radiation
This is a free 7 page sample. Access the full version at http://infostore.saiglobal.com.




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