GB 21520-2015 Translated English of Chinese Standard. GB21520-2015: Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Computer Monitorshttps://www.chinesestandard.net, 17/08/2019 - 17 من الصفحات This Standard specifies the technical requirements, the calculation of per unit time energy consumption, the calculation of energy efficiency, and testing methods and inspection rules for computer monitors (hereinafter referred to as monitors) for general purposes. This Standard is applicable to liquid crystal display (LCD) for computers; it is also applicable to display equipment, whose main function is computer display, and is equipped with a tuner/receiver. |
المحتوى
| 3 | |
Inspection Rules | 9 |
Annex B Normative Testing Methods for Horizontal Viewing Angle Intrinsic | 15 |
عبارات ومصطلحات مألوفة
accordance with Formula additional functions Atmospheric pressure batch of products calculated in accordance China clauses in GB color gamut Colorimeter computer monitors Connect the monitor contrast ratio Display Enhance-performance Display Energy Conservation energy consumption value Energy Efficiency Grades Energy efficiency refers Energy efficiency test Environmental conditions Conduct equals to 0.50 Evaluating Values expressed external power supply Figure A.1 GB/T Grade-3 horizontal viewing angle intrinsic resolution least satisfy 0.1 light control function lower the contrast luminance meter Measure the energy measurement range measurement result methods in Annex Minimum Allowable Values mode and sleep monitor to power Power Meter power of sleep properly adjust Record the test refresh frequency resolution and color rounded-off in accordance rounded-off value satisfy 0.2 cd/m2 screen Sleep Mode Power specified date Standard Display supply and test Supply voltage test equipment Total harmonic distortion type inspection unit time energy utilize external power Values of Energy white grayscale