GB/T 3794-1983
Abolished
GB 32028-2025
Active
National standards
force_standard
GB 32028-2025 Minimum allowable values of energy efficiency and energy efficiency grades for projectors
GB 32028-2025 Minimum allowable values of energy efficiency and energy efficiency grades for projectors
Price:
$ 25.00
Basic Information
Standard Code:
GB 32028-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
yes
CCS Name:
Technical management
ICS Name:
Integrated Energy and Heat Transfer Engineering
Publish Date:
2025-06-30
Implement Date:
2026-07-01
Pages:
16 pages
Scope
This document specifies the energy efficiency rating of projectors, passive standby power, energy efficiency limit requirements, energy efficiency calculation and testing methods, and document implementation requirements.
This document applies to projectors with projection as the main function, using high-pressure mercury lamps, lasers, and light-emitting diodes (LEDs) as light sources, and LCD, DLP, and LCOS as display devices.
This document does not apply to integrated rear-projection units consisting of a projection screen and a projector.
Development Information
Replace the following standards
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
SJ/T 11992-2025 Performance Test Method for Electronic Projectors
Related Standards
GB/T 5623-1985
Replaced
GB/T 5623-1985 Guides for the stipulation and administration of electricity consumption norm of product
GB/T 6421-1986
Abolished
GB/T 6421-1986 Methods for drawing energy flow diagram of industrial enterprise
GB/T 6422-1986
Replaced
GB/T 6422-1986 Directives for measuring and testing energy consumption in industrial enterprises
GB/T 6425-1986
Replaced
GB/T 6425-1986 Nomenclature for thermal analysis
GB/T 8174-1987
Replaced