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GB/T 30117.4-2023: Photobiological safety of lamps and lamp systems - Part 4: Measuring methods
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Photobiological safety of lamps and lamp systems - Part 4: Measuring methods
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GB/T 30117.4-2023
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Basic data | Standard ID | GB/T 30117.4-2023 (GB/T30117.4-2023) | | Description (Translated English) | Photobiological safety of lamps and lamp systems - Part 4: Measuring methods | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L51 | | Classification of International Standard | 31.260 | | Word Count Estimation | 58,556 | | Date of Issue | 2023-11-27 | | Date of Implementation | 2024-06-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 30117.4-2023: Photobiological safety of lamps and lamp systems - Part 4: Measuring methods---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 31:260
CCSL51
National Standards of People's Republic of China
Photobiological safety of lamps and lamp systems
Part 4: Measurement methods
(IEC TR62471-4:2022, MOD)
Published on 2023-11-27
2024-06-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
Preface V
Introduction VII
1 Scope 1
2 Normative references 1
3 Terms, definitions and abbreviations 1
3:1 Terms and definitions 1
3:2 Abbreviations 2
4 applications 3
4:1 Overview 3
4:2 Safety Precautions 3
4:3 Overview of Hazard Assessment 3
4:4 Hazard category selection 4
4:5 Assessment Level 4
4:6 Initial screening 4
4:7 Measured physical quantities 4
4:8 Measurement uncertainty10
5 Test conditions 10
5:1 Overview10
5:2 Darkroom (Level A) 10
5:3 Environmental conditions (Class A) 10
5:4 Power supply10
5:5 Product Configuration 10
5:6 Optical alignment 12
6 Instrument performance: Class A instrument 13
6:1 Overview 13
6:2 Spectral irradiance and radiance13
6:3 Imaging equipment 16
6:4 Transient emissions 17
6:5 Size and location of light sources17
7 Instrument performance: Class B instrument 17
7:1 Overview 17
7:2 Irradiance or radiance17
7:3 Position and subtending angle of apparent light source 19
7:4 Transient emissions 19
Appendix A (informative) Determination of hazard categories 20
Appendix B (informative) Description of the instrument 21
B:1 Dual Monochromator 21
B:2 Single monochromator 21
B:3 Array spectrometer 21
B:4 Detector 21
B:5 Entrance optics 21
B:6 Measurement geometry 23
B:7 2D Imaging Detector 26
Appendix C (Informative) Application Example 28
C:1 Overview 28
C:2 Example 1---LED flashlight 28
C:3 Example 2---Infrared tungsten lamp 29
C:4 Example 3---Compact fluorescent lamp (CFL) 30
C:5 Example 4---LED light bulb 32
Appendix D (informative) The relationship between “real” light source radiance and spatially averaged radiance33
Appendix E (informative) Transient emission measurement 36
E:1 Overview 36
E:2 Pulse duration 36
E:3 Average irradiance and average radiance37
Appendix F (Informative) Uncertainty Analysis 40
Appendix G (Informative) Report Form 41
G:1 Overview 41
G:2 Report 41
Appendix H (Informative) Stray Radiation 43
Appendix I (informative) Spectral irradiance extrapolation method of thermal radiation source 45
Reference 46
Figure 1 Schematic diagram of irradiance measurement 5
Figure 2 Consideration of field of view coverage status 6
Figure 3 Example of direct measurement of radiance using a lens and aperture stop 7
Figure 4 Indirect measurement of radiance 8
Figure 5 Example of rectangular light source 9
Figure 6 Example of uneven radiance distribution 9
Figure 7 Emission distribution diagram example 12
Figure B:1 Diffuser optical example 22
Figure B:2 Schematic diagram of irradiance measurement23
Figure B:3 Geometry of single thin lens radiance measurement24
Figure B:4 General radiance measurement geometry25
Figure B:5 The aperture diaphragm is placed behind the lens 25
Figure B:6 The aperture diaphragm is placed in front of the lens 26
Figure B:7 Example of a 2D imaging detector27
Figure C:1 LED flashlight example 28
Figure C:2 Example of radiance distribution 28
Figure C:3 Spectral radiation distribution 29
Figure C:4 Example of infrared tungsten lamp 29
Figure C:5 Example of radiance distribution30
Figure C:6 Spectral radiance and irradiance distribution30
Figure C:7 Lamp radiance distribution30
Figure C:8 Example of compact fluorescent lamp (CFL)31
Figure C:9 Example of radiance distribution31
Figure C:10 Spectral radiance and irradiance distribution31
Figure C:11 Example of radiance distribution32
Figure C:12 Example of LED bulb 32
Figure D:1 Common measurement conditions for determining (time-integrated) radiance33
Figure D:2 B(λ)-weighted radiance distribution of phosphor-coated white LED devices34
Figure E:1 Example of transient pulse waveform 37
Figure E:2 Example of white LED lamp with adjustable color temperature37
Figure E:3 Single pulse waveform 38
Figure E:4 Example of pulsed measurement of spectrum versus time39
Table 1 Optical radiation hazards considered in the corresponding parts of GB/T 30117 3
Table 2 Recommended wavelength accuracy14
Table 3 Recommended bandwidth14
Table A:1 Examples of potential hazard categories20
Foreword
This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents"
Drafting:
This document is Part 4 of GB/T 30117 "Photobiological Safety of Lamps and Lamp Systems": GB/T 30117 has released the following
part:
---Part 2: Guidance on manufacturing requirements related to safety of non-laser optical radiation;
---Part 3: Guidelines for the safe use of strong pulse light source equipment for the human body;
---Part 4: Measurement methods;
---Part 5: Projector:
This document is modified to adopt IEC TR62471-4:2022 "Photobiological safety of lamps and lamp systems - Part 4: Measurement methods": document
The type was adjusted from ISO 's technical report to my country's national standard:
Compared with IEC TR62471-4:2022, this document has made the following structural adjustments:
---Appendix C corresponds to Appendix F in IEC TR62471-4:2022;
---Appendix D corresponds to Appendix I in IEC TR62471-4:2022;
---Appendix E corresponds to Appendix D in IEC TR62471-4:2022;
---Appendix F corresponds to Appendix E in IEC TR62471-4:2022;
---Appendix G corresponds to Appendix H in IEC TR62471-4:2022;
---Appendix H corresponds to Appendix G in IEC TR62471-4:2022;
---Appendix I corresponds to Appendix C in IEC TR62471-4:2022:
The technical differences between this document and IEC TR62471-4:2022 and their reasons are as follows:
---Replaced IEC 62471 with normative reference GB/T 30117 (all parts) to facilitate the application of this document:
--- Add "For retinal thermal hazards, measure the radiance dose and/or peak radiance of the pulse" in E:1, and add "For retinal thermal hazards" in E:2:
Retinal thermal hazard, measuring pulse width (1μs~0:25s)", supplementary content is based on the International Commission on Non-Ionizing Radiation Protection
Requirements for retinal thermal hazard assessment of pulsed light sources in ICNIRP2013:
The following editorial changes have been made to this document:
---Added notes in Chapter 1;
---Deleted the abbreviation "HID" in 3:2 because the term does not appear in the text;
---Deleted the note below Table 1;
---Deleted Note 2 in 4:7:4:3;
---Added a note below formula (3);
---In the figures, indexing numbers are used instead of text descriptions, and the indexing number description is supplemented;
---Add symbolic descriptions to some of the letter symbols in the figure;
---In formula (D:2), "Le" is changed to "L", and "Φe" is changed to "Φ":
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed by China Machinery Industry Federation:
This document is under the jurisdiction of the National Optical Radiation Safety and Laser Equipment Standardization Technical Committee (SAC/TC284):
This document was drafted by: Zhejiang Sanse Optoelectronics Technology Co:, Ltd:, Foshan Electrical and Lighting Co:, Ltd:, Hangzhou Santai Testing Technology Co:, Ltd:
Co:, Ltd:, Zhejiang Smart Lighting Technology Co:, Ltd:, Fujian Product Quality Inspection Research Institute, Zhongshan Quality Measurement Supervision and Inspection Institute of Guangdong Province,
Hangzhou Institute of Quality and Technical Supervision, China Institute of Metrology, First Medical Center of PLA General Hospital, Xiamen Product Quality Supervision
Inspection Institute, Zhejiang Smart Health Lighting Research Center, Changzhou Inspection and Testing Standards Certification Research Institute, Jiangsu Pinzheng Optoelectronics Technology Co:, Ltd:, Shandong
Huading Weiye Energy Technology Co:, Ltd:, Shanghai Yaming Lighting Co:, Ltd:, Zhongshan Songwei Lighting Electric Co:, Ltd:
The main drafters of this document: Mou Tongsheng, Ding Wenchao, Mou Xi, Peng Zhenjian, Xu Qiaoyun, Gu Ying, Miao Fei, Zhu Tengfei, Dai Caihong, Sun Zhehui,
Chen Zhizhong, Hu Qiuhong, Jia Zheng, Wang Xinyue, Sun Heyuan, Lu Can, Yang Fubing, Zhu Huarong, Xie Wei:
Introduction
Except for special irradiation situations, most lamps and lamp systems are safe and do not pose photobiological hazards; and a complete photobiological safety assessment
Estimation requires sophisticated instruments and detailed analysis:
In order to provide an application framework where detailed measurements are made only when necessary, two measurement methods are presented in this document: Grade A refers to high precision
level, based on laboratory technology; while level B means that ordinary and simple instruments are used to estimate the reachable emission, which is only used as a preliminary screening and is not suitable for
Used when collaborating to produce data reports for rigorous evaluation:
GB/T 30117 is intended to consist of the following parts:
---Part 1: Basic requirements: The purpose is to standardize the photobiological safety assessment requirements, hazard types, and emission limits of incoherent light products:
value and hazard level classification methods:
---Part 2: Guidance on manufacturing requirements related to safety of non-laser optical radiation: The purpose is to standardize the optical radiation safety requirements for non-laser products
The basic principles of safety requirements guide the corresponding general product specifications to stipulate safety requirements:
---Part 3: Guidelines for the safe use of strong pulse light source equipment for the human body: Purpose is to protect against exposure to optical radiation hazards and
Provide guidance on establishing safety measures and procedures to those involved in hazards:
---Part 4: Measurement methods: The purpose is to standardize test conditions and test methods for the photobiosafety of lamps and lamp systems:
---Part 5: Projector: The purpose is to standardize photobiological safety requirements for optical radiation emitted by projectors:
---Part 6: UV lamp products: The purpose is to standardize the production, manufacturing, installation, use and human protection of ultraviolet lamp products so as to
Ensure the safety of light radiation when using related products:
---Part 7: Light sources and lamps that mainly emit visible light: The purpose is to provide products related to light sources and lamps that mainly emit visible light:
products, providing photobiological safety assessment methods based on lighting objects and scenes:
Photobiological safety of lamps and lamp systems
Part 4: Measurement methods
1 Scope
This document describes the radiometric and
Spectral radiometric measurement method:
This document is suitable for actual measurement use by manufacturers, testing agencies, safety personnel and other relevant personnel:
Note: This document relates to Level A assessment and Level B assessment: Level A assessment is an accurate measurement method that uses precision spectral radiation measurement equipment to measure the reachable light radiation:
Measurements are made and can be used in all situations; Level B assessments are made using ordinary and simple instruments and are only used as a preliminary screening and are not suitable for strict
Used when judging and issuing reports:
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document:
systems)
3 Terms, definitions and abbreviations
3:1 Terms and definitions
The terms and definitions defined in GB/T 30117 (all parts) and the following apply to this document:
3:1:1
accessibleemissionaccessibleemission
The radiation level determined at a specific distance and under the measurement conditions defined in the corresponding part of GB/T 30117:
NOTE: The accessible emissions are compared with the accessible emission limits to determine the applicable risk group:
3:1:2
angular response angularresponse
Detector output signal as a function of input beam angle:
3:1:3
aperture stop aperturestop
An opening that defines the acceptance area for average light emission measurements:
3:1:4
Entrancepupil
In an optical system, the image of the aperture diaphragm (3:1:3) seen in object space:
Note 1: The entrance pupil defines the cone angle of the received light beam in object space:
Note 2: If there is no lens in front of the aperture diaphragm, the position and size of the entrance pupil are the same as the aperture diaphragm: The optical element in front of the aperture diaphragm can enlarge or reduce the image
image, and changes the position of the entrance pupil relative to the actual aperture diaphragm:
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