AS/NZS IEC 60825.1:2014
Safety of laser products - Part 1: Equipment classification and requirements
Protects people from laser radiation in the wavelength range 180 nm to 1 mm by introducing a system of classification of lasers and laser products according to their degree of optical radiation hazard. Identical to and reproduced from IEC 60825-1, Ed. 3.0:2014.
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AS/NZS IEC 60825.1:2014
COPYRIGHT
PREFACE
CONTENTS
Figures
Figure 1 – Measurement set-up to limit angle of acceptanceby imaging the apparent source onto the plane of the field stop
Figure 2 – Measurement set-up to limit angle of acceptance by placing a circularaperture or a mask (serving as field stop) close to the apparent source
Figure 3 – Warning label – Hazard symbol
Figure 4 – Explanatory label
Figure 5 – Alternative label for Class 1
Figure 6 – Alternative label for Class 1M
Figure 7 – Alternative label for Class 1C
Figure 8 – Alternative label for Class 2
Figure 9 – Alternative label for Class 2M
Figure 10 – Alternative label for Class 3R
Figure 11 – Alternative label for Class 3B
Figure 12 – Alternative label for Class 4
Figure 13 – Alternative label for laser aperture
Figure B.1 – Flowchart guide for the classification of laser productsfrom supplied output parameters
Figure B.2 – Flowchart guide for the classification ofClass 1M and Class 2M laser products
Figure B.3 – AEL for Class 1 ultra-violet laser productsfor selected emission durations from 10–9 s to 103 s
Figure B.4 – AEL for Class 1 ultra-violet laser products foremission durations from 10–9 s to 103 s at selected wavelengths
Figure B.5 – AEL for Class 1 visible and selectedinfra-red laser products (case C6 = 1)
Figure D.1 – Anatomy of the eye
Figure D.2 – Diagram of laser-induced damage in biological systems
Figure E.1 – Radiance as a function of wavelength
Tables
Table 1 – Additivity of effects on eye and skin of radiationof different spectral regionsc
Table 2 – Times below which pulse groups are summed
Table 3 – Accessible emission limits for Class 1 and Class 1M laser products and C6 = 1 a, b
Table 4 – Accessible emission limits for Class 1 and Class 1M laser products in the wavelength range from 400 nm to 1 400 nm(retinal hazard region): extended sources a, b, c, d, e, f
Table 5 – Accessible emission limits for Class 2 and Class 2M laser products
Table 6 – Accessible emission limits for Class 3R laser products and C6 = 1 a, b, c
Table 7 – Accessible emission limits for Class 3R laser products in the wavelength rangefrom 400 nm to 1 400 nm (retinal hazard region): extended sources a, b
Table 8 – Accessible emission limits for Class 3B laser products a
Table 9 – Correction factors and breakpoints for use in AEL and MPE evaluations
Table 10 – Measurement aperture diameters and measurement distancesfor the default (simplified) evaluation
Table 11 – Reference points for Condition 3
Table 12 – Limiting angle of acceptance γph
Table 13 – Requirements for safety interlocking
Table A.1 – Maximum permissible exposure (MPE) for C6 = 1 at the cornea expressed as irradiance or radiant exposure a, b
Table A.2 – Maximum permissible exposure (MPE) at the cornea for extended sourcesin the wavelength range from 400 nm to 1 400 nm (retinal hazard region) expressed as irradiance or radiant exposured
Table A.3 – Maximum permissible exposure (MPE) of Table A.1 (C6 = 1)for the wavelength range from 400 nm to 1 400 nm expressed as power or energy a, b
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, g
Table A.5 – Maximum permissible exposure (MPE) of the skin to laser radiation a, b
Table A.6 – Aperture diameters for measuring laser irradiance and radiant exposure
Table D.1 – Summary of pathological effects associatedwith excessive exposure to light
Table D.2 – Explanation of measurement apertures applied to the eye MPEs
Table E.1 – Maximum radiance of a diffused source for Class 1
Table F.1 – Summary of the physical quantities used in this Part 1
Table F.2 – Summary of manufacturer's requirements (1 of 2)
Table G.1 – Overview of additional data in associated parts of IEC 60825
FOREWORD
1 Scope and object
2 Normative references
3 Terms and definitions
4 Classification principles
4.1 General
4.2 Classification responsibilities
4.3 Classification rules
4.4 Laser products designed to function as conventional lamps
5 Determination of the accessible emission level and product classification
5.1 Tests
5.2 Measurement of laser radiation
5.3 Determination of the class of the laser product
5.4 Measurement geometry
6 Engineering specifications
6.1 General remarks and modifications
6.2 Protective housing
6.3 Access panels and safety interlocks
6.4 Remote interlock connector
6.5 Manual reset
6.6 Key control
6.7 Laser radiation emission warning
6.8 Beam stop or attenuator
6.9 Controls
6.10 Viewing optics
6.11 Scanning safeguard
6.12 Safeguard for Class 1C products
6.13 "Walk-in" access
6.14 Environmental conditions
6.15 Protection against other hazards
6.16 Power limiting circuit
7 Labelling
7.1 General
7.2 Class 1 and Class 1M
7.3 Class 1C
7.4 Class 2 and Class 2M
7.5 Class 3R
7.6 Class 3B
7.7 Class 4
7.8 Aperture label
7.9 Radiation output and standards information
7.10 Labels for access panels
7.11 Warning for invisible laser radiation
7.12 Warning for visible laser radiation
7.13 Warning for potential hazard to the skin or anterior parts of the eye
8 Other informational requirements
8.1 Information for the user
8.2 Purchasing and servicing information
9 Additional requirements for specific laser products
9.1 Other parts of the standard series IEC 60825
9.2 Medical laser products
9.3 Laser processing machines
9.4 Electric toys
9.5 Consumer electronic products
Annex A(informative)Maximum permissible exposure values
A.1 General remarks
A.2 Limiting apertures
A.3 Repetitively pulsed or modulated lasers
A.4 Measurement conditions
A.5 Extended source lasers
Annex B(informative)Examples of calculations
B.1 Symbols used in the examples of this annex
B.2 Classification of a laser product – Introduction
B.3 Examples
Annex C(informative)Description of the classes and potentially associated haza
C.1 General
C.2 Description of classes
C.3 Limitations of the classification scheme
C.4 References
Annex D(informative)Biophysical considerations
D.1 Anatomy of the eye
D.2 The effects of laser radiation on biological tissue
D.3 MPEs and irradiance averaging
D.4 Reference documents
Annex E(informative)MPEs and AELs expressed as radiance
E.1 Background
E.2 Radiance values
E.3 Rationale
Annex F(informative)Summary tables
Annex G(informative)Overview of associated parts of IEC 60825
Bibliography
Previous versions
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AS/NZS IEC 60825.1:2014
COPYRIGHT
PREFACE
CONTENTS
Figures
Figure 1 – Measurement set-up to limit angle of acceptanceby imaging the apparent source onto the plane of the field stop
Figure 2 – Measurement set-up to limit angle of acceptance by placing a circularaperture or a mask (serving as field stop) close to the apparent source
Figure 3 – Warning label – Hazard symbol
Figure 4 – Explanatory label
Figure 5 – Alternative label for Class 1
Figure 6 – Alternative label for Class 1M
Figure 7 – Alternative label for Class 1C
Figure 8 – Alternative label for Class 2
Figure 9 – Alternative label for Class 2M
Figure 10 – Alternative label for Class 3R
Figure 11 – Alternative label for Class 3B
Figure 12 – Alternative label for Class 4
Figure 13 – Alternative label for laser aperture
Figure B.1 – Flowchart guide for the classification of laser productsfrom supplied output parameters
Figure B.2 – Flowchart guide for the classification ofClass 1M and Class 2M laser products
Figure B.3 – AEL for Class 1 ultra-violet laser productsfor selected emission durations from 10–9 s to 103 s
Figure B.4 – AEL for Class 1 ultra-violet laser products foremission durations from 10–9 s to 103 s at selected wavelengths
Figure B.5 – AEL for Class 1 visible and selectedinfra-red laser products (case C6 = 1)
Figure D.1 – Anatomy of the eye
Figure D.2 – Diagram of laser-induced damage in biological systems
Figure E.1 – Radiance as a function of wavelength
Tables
Table 1 – Additivity of effects on eye and skin of radiationof different spectral regionsc
Table 2 – Times below which pulse groups are summed
Table 3 – Accessible emission limits for Class 1 and Class 1M laser products and C6 = 1 a, b
Table 4 – Accessible emission limits for Class 1 and Class 1M laser products in the wavelength range from 400 nm to 1 400 nm(retinal hazard region): extended sources a, b, c, d, e, f
Table 5 – Accessible emission limits for Class 2 and Class 2M laser products
Table 6 – Accessible emission limits for Class 3R laser products and C6 = 1 a, b, c
Table 7 – Accessible emission limits for Class 3R laser products in the wavelength rangefrom 400 nm to 1 400 nm (retinal hazard region): extended sources a, b
Table 8 – Accessible emission limits for Class 3B laser products a
Table 9 – Correction factors and breakpoints for use in AEL and MPE evaluations
Table 10 – Measurement aperture diameters and measurement distancesfor the default (simplified) evaluation
Table 11 – Reference points for Condition 3
Table 12 – Limiting angle of acceptance γph
Table 13 – Requirements for safety interlocking
Table A.1 – Maximum permissible exposure (MPE) for C6 = 1 at the cornea expressed as irradiance or radiant exposure a, b
Table A.2 – Maximum permissible exposure (MPE) at the cornea for extended sourcesin the wavelength range from 400 nm to 1 400 nm (retinal hazard region) expressed as irradiance or radiant exposured
Table A.3 – Maximum permissible exposure (MPE) of Table A.1 (C6 = 1)for the wavelength range from 400 nm to 1 400 nm expressed as power or energy a, b
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, g
Table A.5 – Maximum permissible exposure (MPE) of the skin to laser radiation a, b
Table A.6 – Aperture diameters for measuring laser irradiance and radiant exposure
Table D.1 – Summary of pathological effects associatedwith excessive exposure to light
Table D.2 – Explanation of measurement apertures applied to the eye MPEs
Table E.1 – Maximum radiance of a diffused source for Class 1
Table F.1 – Summary of the physical quantities used in this Part 1
Table F.2 – Summary of manufacturer's requirements (1 of 2)
Table G.1 – Overview of additional data in associated parts of IEC 60825
FOREWORD
1 Scope and object
2 Normative references
3 Terms and definitions
4 Classification principles
4.1 General
4.2 Classification responsibilities
4.3 Classification rules
4.4 Laser products designed to function as conventional lamps
5 Determination of the accessible emission level and product classification
5.1 Tests
5.2 Measurement of laser radiation
5.3 Determination of the class of the laser product
5.4 Measurement geometry
6 Engineering specifications
6.1 General remarks and modifications
6.2 Protective housing
6.3 Access panels and safety interlocks
6.4 Remote interlock connector
6.5 Manual reset
6.6 Key control
6.7 Laser radiation emission warning
6.8 Beam stop or attenuator
6.9 Controls
6.10 Viewing optics
6.11 Scanning safeguard
6.12 Safeguard for Class 1C products
6.13 "Walk-in" access
6.14 Environmental conditions
6.15 Protection against other hazards
6.16 Power limiting circuit
7 Labelling
7.1 General
7.2 Class 1 and Class 1M
7.3 Class 1C
7.4 Class 2 and Class 2M
7.5 Class 3R
7.6 Class 3B
7.7 Class 4
7.8 Aperture label
7.9 Radiation output and standards information
7.10 Labels for access panels
7.11 Warning for invisible laser radiation
7.12 Warning for visible laser radiation
7.13 Warning for potential hazard to the skin or anterior parts of the eye
8 Other informational requirements
8.1 Information for the user
8.2 Purchasing and servicing information
9 Additional requirements for specific laser products
9.1 Other parts of the standard series IEC 60825
9.2 Medical laser products
9.3 Laser processing machines
9.4 Electric toys
9.5 Consumer electronic products
Annex A(informative)Maximum permissible exposure values
A.1 General remarks
A.2 Limiting apertures
A.3 Repetitively pulsed or modulated lasers
A.4 Measurement conditions
A.5 Extended source lasers
Annex B(informative)Examples of calculations
B.1 Symbols used in the examples of this annex
B.2 Classification of a laser product – Introduction
B.3 Examples
Annex C(informative)Description of the classes and potentially associated haza
C.1 General
C.2 Description of classes
C.3 Limitations of the classification scheme
C.4 References
Annex D(informative)Biophysical considerations
D.1 Anatomy of the eye
D.2 The effects of laser radiation on biological tissue
D.3 MPEs and irradiance averaging
D.4 Reference documents
Annex E(informative)MPEs and AELs expressed as radiance
E.1 Background
E.2 Radiance values
E.3 Rationale
Annex F(informative)Summary tables
Annex G(informative)Overview of associated parts of IEC 60825
Bibliography
Previous versions
AS/NZS IEC 60825.1:2014
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.