Introduction to GB 21520-2023: Monitor Energy Efficiency Limits and Energy Efficiency Grades
GB 21520-2023 is a national standard in China that sets the energy efficiency limits and energy efficiency grades for monitors. This standard aims to promote energy conservation and reduce greenhouse gas emissions by encouraging the production and use of energy-efficient monitors.
The standard defines the energy efficiency limits for different types and sizes of monitors, ensuring that they meet certain energy consumption requirements. Monitors that fall within the specified limits are considered energy-efficient and can be labeled with the corresponding energy efficiency grade.
Energy efficiency grades are divided into five levels: Level 1 being the most energy-efficient and Level 5 being the least energy-efficient. The energy efficiency grade is determined based on factors such as the monitor's power consumption, standby power consumption, and energy efficiency index.
By implementing GB 21520-2023, manufacturers are encouraged to develop and produce monitors that consume less energy and are more environmentally friendly. Consumers can make informed choices by considering the energy efficiency grade when purchasing monitors, contributing to energy conservation efforts.
This standard also provides guidance for energy efficiency testing and labeling requirements for monitors. It promotes transparency and accountability in the industry, ensuring that manufacturers accurately represent the energy efficiency of their products.
In conclusion, GB 21520-2023 plays a crucial role in promoting energy efficiency in the monitor industry. It sets energy efficiency limits and grades, encouraging the production and use of energy-efficient monitors, which in turn contributes to reducing energy consumption and protecting the environment.
GB 21520-2023 history
2023GB 21520-2023 Display energy efficiency allowable value and energy efficiency grade
2015GB 21520-2015 Minimum allowable values of energy efficiency and energy efficiency grades for computer monitors
2008GB 21520-2008 Minimum allowable values of energy efficiency and energy efficiency grades for computer monitors