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GB 7247.1-2012 English PDF (GB7247.1-2012)
GB 7247.1-2012 English PDF (GB7247.1-2012)
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GB 7247.1-2012: Safety of laser products -- Part 1: Equipment classification and requirements
GB 7247.1-2012
Safety of laser products.Part 1. Equipment classification and requirements
ICS 31.260
L51
National Standards of People's Republic of China
Replacing GB 7247.1-2001
Safety of laser products
Part 1. Equipment classification, requirements
Published 2012-12-31
2013-12-25 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China issued
Table of Contents
Introduction Ⅴ
1 Scope 1
2 Normative references 2
2 3 Definitions
4 requires 12
4.1 General 12
4.2 shield 12
4.3 baffle and safety interlock 13
4.4 Remote interlock connector 13
Manual reset 13 4.5
4.6 14 key controller
14 4.7 Laser radiation emitted warning
4.8 beam stop or attenuator 14
4.9 Controller 14
4.10 optical viewer 14
Scanning safety device 14 4.11
4.12 "enter" Channel 14
15 4.13 Environmental conditions
Other hazard protection 15 4.14
5 Mark 15
5.1 General requirements 15
Class 1 and Class 1M 17 5.2
Class 2 and Class 2M 18 5.3
5.4 3R Class 18
5.5 3B Class 18
Class 4 18 5.6
5.7 mark window 19
5.8 Standards 19 and the radiation output
5.9 baffle mark 19
5.10 invisible laser radiation warning 20
Visible laser radiation warning 20 5.11
6 other illustrative in claim 20
20 6.1 Profile
Procurement and maintenance instructions 21 6.2
Additional requirements for laser products 22 7
Other portions of 7.1 IEC 60825 series of standards 22
7.2 Medical Laser Products 22
7.3 Laser processing machines 22
7.4 electronic toys 22
7.5 Consumer Electronics 22
8 classification 22
8.1 Overview 22
23 8.2 Classification duties
8.3 Classification Rule 23
9 to determine the emission levels of up to 26
9.1 Inspection 26
Laser radiation measuring 9.2 category 29
9.3 Measurement Geometry 34
Annex A (normative) maximum permissible exposure 39
Annex B (normative) Calculation example 45
Annex C (informative) category description and potential hazards associated 52
Annex D (informative) biophysical principle 56
Annex E (normative) represents MPEs and AELs 63 by radiance
Appendix F (informative) Summary 66
Appendix G (Informative Appendix) IEC 60825 relevant part list 68
Reference 70
1 --- FIG danger warning mark symbol 16
FIG 2 illustrates a tag 17
Figure 3 is mapped to a field stop plane by receiving angle measurement limit of the apparent source 36 Schematic
FIG 4 by a circular diaphragm or a light shielding plate (as a field diaphragm) is placed close to the measurement limit of the apparent source location means receiving angle
36 schematic
FIG 5 determines the accessible emission (a diagram) and a schematic view of the apparent source of the angle (b in FIG.) Under the conditions of the test apparatus 2, consider extending
A light source (i.e., without the use of a simple evaluation method default) 37
Figure B.1 The output parameters provided by the laser product classification is a flowchart 46
Figure B.2 classification Class 1M and 2M laser products flowchart 47
FIG B.3 AEL value for the selected class 1 laser product UV transmission duration of 48 10-9s ~ 103s
FIG B.4 AEL value on the selected wavelength, the transmission duration 10-9s ~ 103s UV Class 1 laser product 48
FIG class B.5 1 selected visible and infrared laser product AEL value (C6 = 1) 49
D.1 anatomy of the eye 56 of FIG.
D.2 schematic diagram of the laser radiation on biological tissue injury 58
FIG E.1 radiance is a function of wavelength 63
Safety interlock requirements of Table 1 of 13
Table 2 Effect of different spectral region of superposition of the radiation on the eyes and skin 23
Table 3 added burst time limit 26
Table 41 Class and 1M laser products accessible emission limit and C6 = 1a, b 27
Table 5 in the wavelength range of 400nm ~ 1400nm Class 1 laser product accessible emission limit (affected areas of the retina).
Extended source a, b, c, d, e 28
Table Class 62 and Class 2M laser products accessible emission limit of 29
Table 73 laser products accessible emission limit and C6 = 1a, b, c 31
Table 8 Emission Limit Wavelength (affected areas of the retina) in the range up to 400nm ~ 1400nm within 3R laser products.
Extended source a, b 32
Table 9 3B laser products accessible emission limit 33
Correction factor table 10 and breakpoints 33 and AEL use in MPE evaluation
Table 11 and for measuring the aperture diameter default measurement (simple) evaluated from 35
Table 12 Reference point 35
Table 13 limit the acceptance angle γph 38
Table A.1 C6 = 1, the laser radiation a, b the maximum permissible exposure irradiated on the cornea (MPE) 40
Table A.2 ~ 1400nm wavelength in the range 400nm, an extended light source maximum allowed laser radiation on the cornea
Irradiation amount (the MPE) (affected areas of the retina) 41
Table A.3 laser radiation a, b maximum allowed skin exposure (MPE) 42
Table 42 A.4 for measuring the aperture diameter of the laser irradiation and irradiation amount
Table 59 D.1 list pathological effects of an excess of illumination
Table D.2 description applies to the measuring aperture of 62 MPE
Table E.1 Class 1 Maximum luminance radiation scattered light 63
Table F.1 this section all the physical list 66
Table F.2 list of 67 manufacturers requirements
Supplementary information Table G.1 IEC 60825 relevant part of the list of 69
Foreword
Part of this Chapter 3, Appendix A ~ Appendix G is recommended, the rest are mandatory.
GB 7247 "Safety of laser products" is divided into the following sections.
--- Part 1. Equipment classification, requirements;
Section --- 14. User's Guide.
This is Part 1 GB 7247's.
This section drafted in accordance with the rules GB/T 1.1-2009 given.
This section instead of GB 7247.1-2001 "Safety of laser products - Part 1. Classification of laser devices, requirements and user's guide"
Compared with GB 7247.1-2001 major technical changes as follows.
--- deleted the light-emitting diode (LED) part, (explained in Chapter 1, 2001 edition 1.1);
--- increased terms and definitions. transmitting up, acceptance angle, light, 1M laser products, 2M laser products, assessment of retinal light
Chemical hazards acceptance angle limit, ultimate thermal hazard evaluation acceptance angle, the maximum position limit, photochemical hazard limit, a small light source,
Thermal effects Hazard limits and time reference (see 3.2,3.6,3.11,3.19,3.21,3.50,3.51,3.60,3.64,3.80,3.82
And 3.83);
--- remove terms and definitions. collimating a laser, laser optical fiber transmission system, a laser leveling product, service connection and test
Painted with laser products (2001 edition 3.4,3.40,3.45,3.71 and 3.75);
--- modify the name and contents of the terms and definitions. the angle of the apparent source, 3R and 3B laser-based products, production embedded laser
Products, the duration of irradiation (see 3.7,3.22,3.30 and 333, 2001 edition of 3.6,3.17,3.25 and 3.28.);
The terms and definitions --- "window; aperture stop" of a two changes (see 3.8 and 39, 2001 edition of 3.7.);
--- modify the contents and definitions of terms. accessible emission limit, the apparent source, a beam diameter, beam divergence, Class 1 laser product,
Class 2 laser products, extended source observed, the contact person, depending on the beam, the maximum output and specular (see 3.3,3.10,3.13,
3.14,3.18,3.20,3.34,3.37,3.39,3.55 and 3.81, 2001 edition of 3.2,3.8,3.10,3.11,3.15,
3.16,3.29,3.32,3.3...
Get QUOTATION in 1-minute: Click GB 7247.1-2012
Historical versions: GB 7247.1-2012
Preview True-PDF (Reload/Scroll if blank)
GB 7247.1-2012: Safety of laser products -- Part 1: Equipment classification and requirements
GB 7247.1-2012
Safety of laser products.Part 1. Equipment classification and requirements
ICS 31.260
L51
National Standards of People's Republic of China
Replacing GB 7247.1-2001
Safety of laser products
Part 1. Equipment classification, requirements
Published 2012-12-31
2013-12-25 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China issued
Table of Contents
Introduction Ⅴ
1 Scope 1
2 Normative references 2
2 3 Definitions
4 requires 12
4.1 General 12
4.2 shield 12
4.3 baffle and safety interlock 13
4.4 Remote interlock connector 13
Manual reset 13 4.5
4.6 14 key controller
14 4.7 Laser radiation emitted warning
4.8 beam stop or attenuator 14
4.9 Controller 14
4.10 optical viewer 14
Scanning safety device 14 4.11
4.12 "enter" Channel 14
15 4.13 Environmental conditions
Other hazard protection 15 4.14
5 Mark 15
5.1 General requirements 15
Class 1 and Class 1M 17 5.2
Class 2 and Class 2M 18 5.3
5.4 3R Class 18
5.5 3B Class 18
Class 4 18 5.6
5.7 mark window 19
5.8 Standards 19 and the radiation output
5.9 baffle mark 19
5.10 invisible laser radiation warning 20
Visible laser radiation warning 20 5.11
6 other illustrative in claim 20
20 6.1 Profile
Procurement and maintenance instructions 21 6.2
Additional requirements for laser products 22 7
Other portions of 7.1 IEC 60825 series of standards 22
7.2 Medical Laser Products 22
7.3 Laser processing machines 22
7.4 electronic toys 22
7.5 Consumer Electronics 22
8 classification 22
8.1 Overview 22
23 8.2 Classification duties
8.3 Classification Rule 23
9 to determine the emission levels of up to 26
9.1 Inspection 26
Laser radiation measuring 9.2 category 29
9.3 Measurement Geometry 34
Annex A (normative) maximum permissible exposure 39
Annex B (normative) Calculation example 45
Annex C (informative) category description and potential hazards associated 52
Annex D (informative) biophysical principle 56
Annex E (normative) represents MPEs and AELs 63 by radiance
Appendix F (informative) Summary 66
Appendix G (Informative Appendix) IEC 60825 relevant part list 68
Reference 70
1 --- FIG danger warning mark symbol 16
FIG 2 illustrates a tag 17
Figure 3 is mapped to a field stop plane by receiving angle measurement limit of the apparent source 36 Schematic
FIG 4 by a circular diaphragm or a light shielding plate (as a field diaphragm) is placed close to the measurement limit of the apparent source location means receiving angle
36 schematic
FIG 5 determines the accessible emission (a diagram) and a schematic view of the apparent source of the angle (b in FIG.) Under the conditions of the test apparatus 2, consider extending
A light source (i.e., without the use of a simple evaluation method default) 37
Figure B.1 The output parameters provided by the laser product classification is a flowchart 46
Figure B.2 classification Class 1M and 2M laser products flowchart 47
FIG B.3 AEL value for the selected class 1 laser product UV transmission duration of 48 10-9s ~ 103s
FIG B.4 AEL value on the selected wavelength, the transmission duration 10-9s ~ 103s UV Class 1 laser product 48
FIG class B.5 1 selected visible and infrared laser product AEL value (C6 = 1) 49
D.1 anatomy of the eye 56 of FIG.
D.2 schematic diagram of the laser radiation on biological tissue injury 58
FIG E.1 radiance is a function of wavelength 63
Safety interlock requirements of Table 1 of 13
Table 2 Effect of different spectral region of superposition of the radiation on the eyes and skin 23
Table 3 added burst time limit 26
Table 41 Class and 1M laser products accessible emission limit and C6 = 1a, b 27
Table 5 in the wavelength range of 400nm ~ 1400nm Class 1 laser product accessible emission limit (affected areas of the retina).
Extended source a, b, c, d, e 28
Table Class 62 and Class 2M laser products accessible emission limit of 29
Table 73 laser products accessible emission limit and C6 = 1a, b, c 31
Table 8 Emission Limit Wavelength (affected areas of the retina) in the range up to 400nm ~ 1400nm within 3R laser products.
Extended source a, b 32
Table 9 3B laser products accessible emission limit 33
Correction factor table 10 and breakpoints 33 and AEL use in MPE evaluation
Table 11 and for measuring the aperture diameter default measurement (simple) evaluated from 35
Table 12 Reference point 35
Table 13 limit the acceptance angle γph 38
Table A.1 C6 = 1, the laser radiation a, b the maximum permissible exposure irradiated on the cornea (MPE) 40
Table A.2 ~ 1400nm wavelength in the range 400nm, an extended light source maximum allowed laser radiation on the cornea
Irradiation amount (the MPE) (affected areas of the retina) 41
Table A.3 laser radiation a, b maximum allowed skin exposure (MPE) 42
Table 42 A.4 for measuring the aperture diameter of the laser irradiation and irradiation amount
Table 59 D.1 list pathological effects of an excess of illumination
Table D.2 description applies to the measuring aperture of 62 MPE
Table E.1 Class 1 Maximum luminance radiation scattered light 63
Table F.1 this section all the physical list 66
Table F.2 list of 67 manufacturers requirements
Supplementary information Table G.1 IEC 60825 relevant part of the list of 69
Foreword
Part of this Chapter 3, Appendix A ~ Appendix G is recommended, the rest are mandatory.
GB 7247 "Safety of laser products" is divided into the following sections.
--- Part 1. Equipment classification, requirements;
Section --- 14. User's Guide.
This is Part 1 GB 7247's.
This section drafted in accordance with the rules GB/T 1.1-2009 given.
This section instead of GB 7247.1-2001 "Safety of laser products - Part 1. Classification of laser devices, requirements and user's guide"
Compared with GB 7247.1-2001 major technical changes as follows.
--- deleted the light-emitting diode (LED) part, (explained in Chapter 1, 2001 edition 1.1);
--- increased terms and definitions. transmitting up, acceptance angle, light, 1M laser products, 2M laser products, assessment of retinal light
Chemical hazards acceptance angle limit, ultimate thermal hazard evaluation acceptance angle, the maximum position limit, photochemical hazard limit, a small light source,
Thermal effects Hazard limits and time reference (see 3.2,3.6,3.11,3.19,3.21,3.50,3.51,3.60,3.64,3.80,3.82
And 3.83);
--- remove terms and definitions. collimating a laser, laser optical fiber transmission system, a laser leveling product, service connection and test
Painted with laser products (2001 edition 3.4,3.40,3.45,3.71 and 3.75);
--- modify the name and contents of the terms and definitions. the angle of the apparent source, 3R and 3B laser-based products, production embedded laser
Products, the duration of irradiation (see 3.7,3.22,3.30 and 333, 2001 edition of 3.6,3.17,3.25 and 3.28.);
The terms and definitions --- "window; aperture stop" of a two changes (see 3.8 and 39, 2001 edition of 3.7.);
--- modify the contents and definitions of terms. accessible emission limit, the apparent source, a beam diameter, beam divergence, Class 1 laser product,
Class 2 laser products, extended source observed, the contact person, depending on the beam, the maximum output and specular (see 3.3,3.10,3.13,
3.14,3.18,3.20,3.34,3.37,3.39,3.55 and 3.81, 2001 edition of 3.2,3.8,3.10,3.11,3.15,
3.16,3.29,3.32,3.3...
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