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GB/T 30117.2-2013 English PDF (GBT30117.2-2013)

GB/T 30117.2-2013 English PDF (GBT30117.2-2013)

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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
GB/T 30117.2-2013
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.
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.
This part provides guidance on:
-- requirements for optical radiation safety assessment;
-- allocation of safety measures;
-- labelling of products.
This part does not address safety requirements of intentional exposure to optical radiation from sun tanning equipment, ophthalmic instruments or other
medical/cosmetic devices whose specific safety issues are addressed through appropriate standards.
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
IEC 60825-1 Safety of laser products - Part 1: Equipment classification, requirements and user's guide
IEC 60825-2 Safety of laser products - Part 2: Safety of optical fiber
communication systems
IEC 60050-845 International electrotechnical vocabulary
be reported as irradiance or spatially averaged radiance values at a distance that produces an illuminance of 500 lx. Only lamps and lamp systems that are classified as Exempt Group with respect to the skin hazard when assessed at the location of the 500 lx illuminance level, shall normally be used for GLS applications. In addition, if the application requires skin access to the optical radiation from the source where the illuminance is likely to exceed 500 lx for periods of exposure longer than 1 h, the user shall be warned that an exposure assessment may be required.
NOTE: The above is intended to ensure that applications are considered where, for example, the UV emission limits may be exceeded. This may be of concern for some lamps where the emission limits are not exceeded at 500 lx, but may be exceeded at a higher illuminance level where the hands, for example, may be located during fine detail task illumination, or where the head is closer to the source than the surface illuminated at 500 lx.
The required illuminance measurement of the GLS lamp systems takes into account contributions from all the elements of the lamp system. In contrast to the radiance measurement for risk group determination, the acceptance angle for the illuminance measurement of GLS sources is not limited. When multiple lamps or modifying optics are applied to a GLS product, the ultraviolet and infrared emission of the product in many cases may be reduced; thus, the corresponding risk is reduced. Furthermore, if lenses or arrays increase the 500 lx distance, the angular subtense of the component sources decreases (and the spatially averaged radiance decreases), so that the risk remains essentially the same.
In cases where the classification by the lamp manufacturer is based on radiance or time- integrated radiance and where irradiance-dependent hazards can be neglected (LEDs or by the use of appropriate filters), the GLS-classification of the lamp can directly be transferred to the lamp system/luminaire.
5.3.3 Multi-purpose lamps
The following general approach shall be followed in the course of risk group determination of lamp systems. In cases where the risk classification of the lamp is based on the most restrictive radiance or time-integrated radiance criteria, these values remain unchanged or are decreased by integration of the lamp into a system or by adding optical elements. Such measures or elements, in contrast, may change the irradiance or radiant exposure produced by a source and shall be considered in cases where the risk grouping of the incorporated lamp is based on those criteria. However, the possible variation of the most restrictive classification criterion, i.e., from radiance to irradiance, shall be considered in case of radiance-based classification of the incorporated lamp.
5.3.4 Determination of the hazard distance
In order to be independent of the use condition, the risk group classification of lamps
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