According to National Standard Announcement No. 3 of 2023, the mandatory national standard GB 21520-2023 "Energy Efficiency Limits and Energy Efficiency Grades for Displays" was released on May 23, 2023, and will be implemented on June 1, 2024, replacing GB 21520-2015 "Energy Efficiency Limits and Energy Efficiency Grades for Computer Displays".

Regarding the limited values and levels of energy efficiency for computer monitors, Shenzhen Alpha Commodity Inspection Co., Ltd. is one of the authorized third-party testing institutions.

Let's take a detailed look at GB 21520-2023 "Energy Efficiency Limits and Levels for Monitors".

For specific details, please refer to the link:21520-2023《顯示器能效限定值及能效等級(jí)》.pdf

The main technological changes include the following:

Compared to GB 21520-2015, except for structural adjustments and editorial changes, the main technical changes in GB 21520-2023 are as follows:

*Changed the scope of application of the standard (see Chapter 1, 2015 edition, Chapter 1);

*Added "LED integrated display terminal", "working state", and "working state power" in terms and definitions, changed "off state", "sleep state", "energy efficiency", "off state power", and "sleep state power" in terms and definitions, deleted "energy-saving evaluation value", "high-performance display", and "standard display" in terms and definitions (see Chapter 3, 2015 edition, Chapter 3);

*Added abbreviations (see Chapter 4);

*Changed the requirements for energy efficiency levels of displays and added the requirements for energy efficiency levels of OLED displays and LED integrated display terminals (see section 4.1 of the 2015 version);

*Added energy efficiency limit requirements for OLED displays and LED integrated display terminals (see 5.2);

*Removed the technical requirements for energy-saving evaluation values of displays (see 4.3 in the 2015 version);

*Changed the requirement for the power limit of the monitor's sleep state (see section 5.3, section 4.4 of the 2015 version);

*Changed the power limit requirement for the display in the off state (see 5.4, 4.4 of the 2015 version);

*Changed the testing method (see Chapter 7, 2015 edition, Chapter 7);

*Removed display inspection rules (see Chapter 8 of the 2015 edition);

*Changed the testing methods for monitor energy efficiency, sleep state power, and off state power;

*Added testing requirements for OLED displays and kLED all-in-one machines (see Appendix A, 2015 version Appendix A);

*Changed the display performance testing method for displays and added the high-performance OLED display performance testing method (see Appendix B, 2015 version Appendix B);

*Added a high-performance LED integrated display performance testing method (see Appendix C).

What assistance can our Alpha product inspection provide to you?

Shenzhen Alpha Commodity Inspection Co., Ltd., as a professional organization engaged in third-party testing and certification services, is a comprehensive third-party technical service organization that integrates testing, inspection, certification, audit, training, appraisal, consulting, and other services, providing one-stop solutions for enterprises worldwide.

Based on our experienced professionals and professional technical teams worldwide, our laboratory adopts a fully electronic management system, and always adheres to the quality system of ISO17025 testing laboratory as guidance. We have obtained authorization and recognition from foreign institutions.

We adhere to a scientific and rigorous work attitude, customer-centric, efficient and coordinated testing plans, and strive to shorten the testing time cycle. We provide customers with fast and fair third-party consulting and testing services. With ALPHA's rich testing and certification experience, we have successfully obtained certification certificates for over ten thousand customers, including CB, UL, TUV, GS, CCC, E-mark, NCC, KC, CU-TR, RCM, BQB, CE, FCC, ROHS, and other multinational certifications. We can target any of your target regions - to meet your market access needs.

Welcome to call our staff directly at 4008-3008-95 to inquire about detailed cost quotations and cycle plans. We look forward to your visit to Shenzhen Alpha Commodity Inspection!