GB 21520-2015 Replaced National standards force_standard

GB 21520-2015 Minimum allowable values of energy efficiency and energy efficiency grades for computer monitors

GB 21520-2015 Minimum allowable values of energy efficiency and energy efficiency grades for computer monitors

Publish Date: 2015-09-18 Implement Date: 2016-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB 21520-2015

Standard Type: National standards

Standard Status: Replaced

is_force_gb: yes

CCS Name: Technical management

ICS Name: Integrated Energy and Heat Transfer Engineering

Publish Date: 2015-09-18

Implement Date: 2016-10-01

Pages: 11 pages

Scope

This standard specifies the technical requirements for general-purpose computer monitors (hereinafter referred to as monitors), the calculation of the energy consumption of monitors per unit time, the calculation of energy efficiency, measurement methods, and inspection rules. This standard applies to LCD monitors used in computers, as well as display devices with a tuner/receiver whose main function is computer display. This standard does not apply to monitors for professional use, such as in engineering, medical, and industrial equipment.

Development Information

Word Count: 20 Thousand words Pages: 11 pages

Replace the following standards

GB 21520-2008 Minimum allowable values of energy efficiency and energy efficiency grades for computer monitors

Superseded by the following standards

GB 21520-2023 Minimum allowable values of energy efficiency and energy efficiency grades for displays

Referenced Standards

GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB 20943-2007 Minimum allowable values of energy efficiency and evaluating values of energy conservation for single voltage external AC-DC and AC-AC power supplies GB 20943-2013 Minimum allowable values of energy efficiency and evaluating values of energy conservation for single voltage external AC-DC and AC-AC power supplies GB 20943-2025 Minimum allowable values of energy efficiency and energy efficiency grades for AC-DC and AC-AC power supplies

Related Standards

GB/T 3794-1983 Abolished

GB/T 3794-1983 Standard for assesment of technical proficiency and acceptahce for energy balance of industrial enterprise

Publish Date: 1983-07-06

GB/T 5623-1985 Replaced

GB/T 5623-1985 Guides for the stipulation and administration of electricity consumption norm of product

Publish Date: 1985-11-25

GB/T 6421-1986 Abolished

GB/T 6421-1986 Methods for drawing energy flow diagram of industrial enterprise

Publish Date: 1986-05-27

GB/T 6422-1986 Replaced

GB/T 6422-1986 Directives for measuring and testing energy consumption in industrial enterprises

Publish Date: 1986-05-27

GB/T 6425-1986 Replaced

GB/T 6425-1986 Nomenclature for thermal analysis

Publish Date: 1986-05-27

GB/T 8174-1987 Replaced

GB/T 8174-1987 Methods of measuring and evaluating thermal insulation effects for equipments and pipes

Publish Date: 1987-08-28