1、 IEC 60825-1 Edition 3.0 2014-0 INTERNATIONAL STANDARD NORME INTERNATIONALE Safety of laser products Part 1: Equipment classification and requirements Scurit des appareils laser Partie 1: Classification des matriels et exigences IEC 60825-1:2014-05(en-fr) GROUP SAFETY PUBLICATION PUBLICATION GROUPE
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19、 - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60825-1 Edition 3.0 2014-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Safety of laser products Part 1: Equipment classification and requirements Scu
20、rit des appareils laser Partie 1: Classification des matriels et exigences INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XE ICS 13.110; 31.260 PRICE CODE CODE PRIX ISBN 978-2-8322-1499-2 GROUP SAFETY PUBLICATION PUBLICATION GROUPE DE SCURIT Registered trademark
21、 of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colou
22、r inside 2 IEC 60825-1:2014 IEC 2014 CONTENTS FOREWORD . 6 1 Scope and object . 8 2 Normative references 10 3 Terms and definitions 10 4 Classification principles . 24 4.1 General 24 4.2 Classification responsibilities . 24 4.3 Classification rules . 24 4.4 Laser products designed to function as con
23、ventional lamps . 29 5 Determination of the accessible emission level and product classification 29 5.1 Tests . 29 5.2 Measurement of laser radiation 30 5.3 Determination of the class of the laser product. 31 5.4 Measurement geometry 40 General 40 5.4.1Default (simplified) evaluation . 41 5.4.2Evalu
24、ation condition for extended sources 42 5.4.3 6 Engineering specifications . 44 6.1 General remarks and modifications 44 6.2 Protective housing . 44 General 44 6.2.1Service . 45 6.2.2Removable laser system . 45 6.2.3 6.3 Access panels and safety interlocks . 45 6.4 Remote interlock connector 46 6.5
25、Manual reset 46 6.6 Key control 46 6.7 Laser radiation emission warning . 47 6.8 Beam stop or attenuator . 47 6.9 Controls . 47 6.10 Viewing optics 47 6.11 Scanning safeguard . 47 6.12 Safeguard for Class 1C products . 48 6.13 “Walk-in“ access 48 6.14 Environmental conditions . 48 6.15 Protection ag
26、ainst other hazards 48 Non-optical hazards 48 6.15.1Collateral radiation . 49 6.15.2 6.16 Power limiting circuit 49 7 Labelling 49 7.1 General 49 7.2 Class 1 and Class 1M 51 7.3 Class 1C 52 7.4 Class 2 and Class 2M 53 7.5 Class 3R 53 7.6 Class 3B 54 IEC 60825-1:2014 IEC 2014 3 7.7 Class 4 54 7.8 Ape
27、rture label 55 7.9 Radiation output and standards information . 55 7.10 Labels for access panels 56 Labels for panels 56 7.10.1Labels for safety interlocked panels 57 7.10.2 7.11 Warning for invisible laser radiation . 57 7.12 Warning for visible laser radiation 57 7.13 Warning for potential hazard
28、to the skin or anterior parts of the eye . 57 8 Other informational requirements . 58 8.1 Information for the user 58 8.2 Purchasing and servicing information . 59 9 Additional requirements for specific laser products 60 9.1 Other parts of the standard series IEC 60825. 60 9.2 Medical laser products
29、 . 60 9.3 Laser processing machines 60 9.4 Electric toys . 60 9.5 Consumer electronic products 60 Annex A (informative) Maximum permissible exposure values 61 A.1 General remarks 61 A.2 Limiting apertures 66 A.3 Repetitively pulsed or modulated lasers . 67 A.4 Measurement conditions 68 A.4.1 General
30、 68 A.4.2 Limiting aperture . 68 A.4.3 Angle of acceptance . 68 A.5 Extended source lasers 69 Annex B (informative) Examples of calculations . 70 B.1 Symbols used in the examples of this annex 70 B.2 Classification of a laser product Introduction . 71 B.3 Examples . 75 Annex C (informative) Descript
31、ion of the classes and potentially associated hazards . 80 C.1 General 80 C.2 Description of classes 80 C.2.1 Class 1 . 80 C.2.2 Class 1M 80 C.2.3 Class 1C . 80 C.2.4 Class 2 . 81 C.2.5 Class 2M 81 C.2.6 Class 3R . 81 C.2.7 Class 3B . 82 C.2.8 Class 4 . 82 C.2.9 Note on nomenclature . 82 C.3 Limitat
32、ions of the classification scheme . 84 C.4 References 85 Annex D (informative) Biophysical considerations 86 D.1 Anatomy of the eye 86 D.2 The effects of laser radiation on biological tissue . 87 4 IEC 60825-1:2014 IEC 2014 D.2.1 General 87 D.2.2 Hazards to the eye . 89 D.2.3 Skin hazards . 92 D.3 M
33、PEs and irradiance averaging . 93 D.4 Reference documents 93 Annex E (informative) MPEs and AELs expressed as radiance . 95 E.1 Background 95 E.2 Radiance values 95 E.3 Rationale . 96 Annex F (informative) Summary tables. 99 Annex G (informative) Overview of associated parts of IEC 60825 . 102 Bibli
34、ography 104 Figure 1 Measurement set-up to limit angle of acceptance by imaging the apparent source onto the plane of the field stop 43 Figure 2 Measurement set-up to limit angle of acceptance by placing a circular aperture or a mask (serving as field stop) close to the apparent source 43 Figure 3 W
35、arning label Hazard symbol 50 Figure 4 Explanatory label . 51 Figure 5 Alternative label for Class 1 . 52 Figure 6 Alternative label for Class 1M . 52 Figure 7 Alternative label for Class 1C . 52 Figure 8 Alternative label for Class 2 . 53 Figure 9 Alternative label for Class 2M . 53 Figure 10 Alter
36、native label for Class 3R . 54 Figure 11 Alternative label for Class 3B . 54 Figure 12 Alternative label for Class 4 . 55 Figure 13 Alternative label for laser aperture . 55 Figure B.1 Flowchart guide for the classification of laser products from supplied output parameters . 72 Figure B.2 Flowchart
37、guide for the classification of Class 1M and Class 2M laser products 73 Figure B.3 AEL for Class 1 ultra-violet laser products for selected emission durations from 10 9s to 10 3s . 74 Figure B.4 AEL for Class 1 ultra-violet laser products for emission durations from 10 9s to 10 3s at selected wavele
38、ngths 74 Figure B.5 AEL for Class 1 visible and selected infra-red laser products (case C 6 = 1) . 75 Figure D.1 Anatomy of the eye . 86 Figure D.2 Diagram of laser-induced damage in biological systems . 88 Figure E.1 Radiance as a function of wavelength . 95 Table 1 Additivity of effects on eye and
39、 skin of radiation of different spectral regions . 25 Table 2 Times below which pulse groups are summed . 28 Table 3 Accessible emission limits for Class 1 and Class 1M laser products and C 6= 1. 34 IEC 60825-1:2014 IEC 2014 5 Table 4 Accessible emission limits for Class 1 and Class 1M laser product
40、s in the wavelength range from 400 nm to 1 400 nm (retinal hazard region): extended sources . 35 Table 5 Accessible emission limits for Class 2 and Class 2M laser products 36 Table 6 Accessible emission limits for Class 3R laser products and C 6 = 1 37 Table 7 Accessible emission limits for Class 3R
41、 laser products in the wavelength range from 400 nm to 1 400 nm (retinal hazard region): extended sources 38 Table 8 Accessible emission limits for Class 3B laser products 39 Table 9 Correction factors and breakpoints for use in AEL and MPE evaluations . 39 Table 10 Measurement aperture diameters an
42、d measurement distances for the default (simplified) evaluation . 41 Table 11 Reference points for Condition 3 . 42 Table 12 Limiting angle of acceptance ph. 43 Table 13 Requirements for safety interlocking 45 Table A.1 Maximum permissible exposure (MPE) for C 6= 1 at the cornea expressed as irradia
43、nce or radiant exposure 62 Table A.2 Maximum permissible exposure (MPE) at the cornea for extended sources in the wavelength range from 400 nm to 1 400 nm (retinal hazard region) expressed as irradiance or radiant exposure d. 63 Table A.3 Maximum permissible exposure (MPE) of Table A.1 (C 6= 1) for
44、the wavelength range from 400 nm to 1 400 nm expressed as power or energy a, b. 64 Table A.4 Maximum permissible exposure (MPE) of Table A.2 (extended sources) for the wavelength range from 400 nm to 1 400 nm expressed as power or energy a, b, c, d, e, f, g65 Table A.5 Maximum permissible exposure (
45、MPE) of the skin to laser radiation . 66 Table A.6 Aperture diameters for measuring laser irradiance and radiant exposure . 67 Table D.1 Summary of pathological effects associated with excessive exposure to light . 90 Table D.2 Explanation of measurement apertures applied to the eye MPEs . 93 Table
46、E.1 Maximum radiance of a diffused source for Class 1 96 Table F.1 Summary of the physical quantities used in this Part 1 . 99 Table F.2 Summary of manufacturers requirements (1 of 2) 100 Table G.1 Overview of additional data in associated parts of IEC 60825 103 6 IEC 60825-1:2014 IEC 2014 INTERNATI
47、ONAL ELECTROTECHNICAL COMMISSION _ SAFETY OF LASER PRODUCTS Part 1: Equipment classification and requirements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees).
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