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GB/T 41423-2022 English PDF

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US$194.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 41423-2022: LED packages - Long-term luminous and radiant flux maintenance projection
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 41423-2022	194	Add to Cart	3 days	LED packages - Long-term luminous and radiant flux maintenance projection	Valid

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Basic data

Standard ID: GB/T 41423-2022 (GB/T41423-2022)
Description (Translated English): LED packages - Long-term luminous and radiant flux maintenance projection
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K74
Word Count Estimation: 10,118
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41423-2022: LED packages - Long-term luminous and radiant flux maintenance projection

---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.
LED packages -- Long-term luminous and radiant flux maintenance projection ICS 29.140.99 CCSK74 National Standards of People's Republic of China LED package long-term luminous flux and radiant flux Calculation of maintenance rate (IEC 63013.2017, IDT) Published on 2022-04-15 2022-11-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Test method, data collection and sample size1 5 Calculation method of long-term luminous flux maintenance rate 2 6 Interpolation of temperature data 3 7 Adjustment of the final result 3 8 Report 3 Appendix A (Informative) Temperature Accelerated Arrhenius (TA-A) Method 4 Appendix B (Informative) Flowchart 5 Appendix C (normative) Boundary functions 6 Reference 7

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document is equivalent to IEC 63013.2017 "Calculation of Long-term Luminous Flux and Radiant Flux Maintenance Rate of LED Packages". The following minimal editorial changes have been made to this document. --- Incorporates the amendments to IEC 63013.2017/Amd1.2021, the clauses involved in these amendments have been adopted on the outside The vertical double line (|) in the margin position is indicated. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China National Light Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Lighting Electrical Appliances (SAC/TC224). This document is drafted by. Xuyu Optoelectronics (Shenzhen) Co., Ltd., State Electric Light Source Quality Supervision and Inspection Center (Beijing), Hongli Zhihui Group Co., Ltd., Beijing Electric Light Source Research Institute Co., Ltd. The main drafters of this document. Lin Jintian, Zhang Wei, Lv Tiangang, Zhang Junbin, Cao Xiaobing, Bao Linjie, Wang Yuefei, Wang Chong. LED package long-term luminous flux and radiant flux Calculation of maintenance rate

1 Scope

This document specifies the test procedures and conditions for the luminous flux maintenance of LED packages. This document also provides information based on the limited The program and conditions (criteria) of the luminous flux maintenance rate test data to calculate the long-term maintenance rate of luminous flux. This document also applies to radiative fluxes and calculation of the long-term maintenance rate of photon flux. This document applies to LED packages for general lighting and plant lighting. The test data used in the calculation methods in this document are collected in accordance with the methods of ANSI/IESLM-80-20 (LM-80). The long-term maintenance rate estimation procedure is based on the exponential fit function in ANSI/IESTM-21-19 (TM-21), and is When the exponential fitting function of TM-21-19 is not applicable, another boundary function procedure is given.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. IEC 62504 General lighting LED products and related equipment terms and definitions (Generallighting-Lightemitting Note. GB/T 24826-2016 Terms and Definitions of LED Products and Related Equipment for General Lighting (IEC 62504.2014, IDT) ANSI/IESLM-80-20 IES Approved Method. Test Method for Luminous Flux and Color Retention of LED Packages, Arrays and Modules ArraysandModules)

3 Terms and Definitions

The terms and definitions defined in IEC 62504 and the following apply to this document. Standardized terminology databases for ISO and IEC at. 3.1 casetemperature The temperature value of the contact point of the thermocouple as specified by the manufacturer. 4 Test method, data collection and sample size Luminous flux maintenance test data shall be collected in accordance with the methods specified in ANSI/IESLM-80-20. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 41423-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 41423-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 41423-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 41423-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.