GB/T 30117.2-2013 PDF English
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Photobiological safety of lamps and lamp systems -- Part 2: Guidance on manufacturing requirements relating to non-laser optical radiation safety
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GB/T 30117.2-2013: Photobiological safety of lamps and lamp systems -- Part 2: Guidance on manufacturing requirements relating to non-laser optical radiation safety
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT30117.2-2013
GB
NATIONAL STANDARD OF THE
PEOPLE'S REPUBLIC OF CHINA
ICS 31.260
L 51
GB/T 30117.2-2013 / IEC TR 62471-2.2009
Photobiological safety of lamps and lamp systems - Part 2.
Guidance on manufacturing requirements relating to non-
laser optical radiation safety
(IEC TR 62471-2.2009, IDT)
Issued on. DECEMBER 17, 2013
Implemented on. JULY 15, 2014
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of PRC;
Standardization Administration of PRC.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Risk groups applied for optical radiation safety assessments... 8
5 Guidelines for lamp and lamp system manufacturers on how to apply IEC 62471
... 11
6 Allocation of safety measures... 19
Appendix A (informative) Radiance and ocular hazards from extended sources... 22
Appendix B (informative) Determination of hazard distances... 29
Appendix C (informative) Sources for general lighting service (GLS)... 40
Appendix D (informative) Lamps and lamp systems with integrated, attached beam-
shaping or projection optics... 46
Foreword
GB/T 30117 Photobiological safety of lamps and lamp systems is divided into 5 parts.
-- Part 1.Photobiological safety of lamps and lamp systems;
-- Part 2.Guidance on manufacturing requirements relating to non-laser optical
radiation safety;
-- Part 3.Guidelines for the safe use of intense pulsed light source equipment on
humans;
-- Part 4.Measuring methods;
-- Part 5.Image projectors.
This part is Part 2 of GB/T 30117.
This part was drafted in accordance with the rules given in GB/T 1.1-2009.
This part was translated from and is identical to IEC TR 62471-2.2009 Photobiological
safety of lamps and lamp systems - Part 2.Guidance on manufacturing requirements
relating to non-laser optical radiation safety issued by the International
Electrotechnical Commission.
The Chinese documents that have consistent correspondence with the normative
reference documents in this part are as follows.
-- GB/T 20145-2006 Photobiological safety of lamps and lamp systems (CIE S
009/E.2002, IDT)
-- GB/T 2900.65-2004 Electrotechnical terminology - Lighting (IEC 60050-
845.1987, MOD)
-- GB/T 5465.2-2008 Graphical symbols for use on electrical equipment - Part 2.
Graphical symbols (IEC 60417 DB.2007, IDT)
NOTE. CIE S.009-2002 was released in 2006 as the IEC standard IEC 62471.2006.
Please note that some content in this document may be subject to patents. The publisher
of this document assumes no responsibility for identifying these patents.
This part was proposed by China Machinery Industry Federation.
This part is under the jurisdiction of the National Technical Committee on Optical
Radiation Safety and Laser Equipment of Standardization Administration of China
(SAC/TC284).
Drafting organizations of this part. Hangzhou Zhejiang University Sensing Instruments
Co., Ltd., Guangdong Huizhou Quality & Measuring Supervision Testing Institute, and
Zhejiang Medical Co., Ltd.
Main drafters of this part. Wang Jianping, Ye Xiangping, Qiao Bo, Li Junkai, Luo
Yongjun, Mou Tongsheng, and Zheng Jian.
Photobiological safety of lamps and lamp systems - Part 2.
Guidance on manufacturing requirements relating to non-
laser optical radiation safety
1 Scope
This part of GB/T 30117 provides the basis for optical radiation safety requirements of
non-laser products, serving as a guide for development of safety requirements in
vertical product standards and assisting lamp system manufacturers in the interpretation
of safety information provided by the lamp manufacturers.
2 Normative references
The following documents are essential to the application of this document. For the dated
referenced documents, only the versions with the indicated dates are applicable to this
document; for the undated referenced documents, only the latest version (including all
the amendments) is applicable to this document.
IEC 62471 Photobiological safety of lamps and lamp systems
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
The maximum level of exposure of optical radiation to the eye or skin that is not
expected to result in adverse biological effects. These ELVs are used to determine
hazard distances in respect to foreseeable photobiological effects.
Risk for intended or unintended viewers of a source under application-specific realistic
conditions.
4 Risk groups applied for optical radiation safety assessments
There may be a small number of applications where an incoherent optical radiation
source appears as a nearly monochromatic "point" source and shall be considered within
a laser safety standard framework. Generally, this will only apply to super luminescent
diodes (SLDs) (see 3.16), which resemble "point sources"; and LEDs which are
employed in optical fiber communications, where the fiber source also resembles a very
small, or "point" source.
5 Guidelines for lamp and lamp system manufacturers on how to apply IEC 62471
In the spectral ranges 200 nm to 400 nm and 1400 nm to 3000 nm where the emission
limits in IEC 62471 are provided in irradiance or radiant exposure, the measurements
of a single lamp cannot simply be transferred directly to a lamp system but require an
analysis of the optical additivity to determine the system risk group.
6 Allocation of safety measures
Allocation of restricted access areas is product-specific and shall be addressed by
product vertical standards.
Allocation of a lamp into a particular risk group is based on the assessment of lamp
emission at a distance of 200 mm and the applicable risk group exposure duration.
However, when a lamp is integrated into a product, depending on product design and
its application, these assessment conditions may become non-representative.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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