SN/T 3246.4-2017Technical requirements for the inspection of audio and video products for import and export--Part 4: Energy efficiency for projectors (English PDF)
进出口音视频设备检验技术要求 第4部分投影仪的能效
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Issued by
The General Administration of Quality Supervision, Inspection and Quarantine
Level / Type
National · Recommended
Issue date
May 12, 2017
Implementation date
December 1, 2017
Scope
SN/T 3246.4-2017 is the English-translated version of 进出口音视频设备检验技术要求 第4部分投影仪的能效.
SN/T 3246.4-2017 — This part of SN/T 3246 specifies the energy efficiency requirements, measurement methods, and results of the projector.
This section applies to projectors with projection as the main function, high-pressure mercury lamp or metal halide lamp as the light source, solid-state light source projector and A projector in which LCOS is a display device can be referred to.
This section does not apply to the integrated projection unit consisting of a projection screen and a projector, and a professional projector for cinema projection.
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Document preview — SN/T 3246.4-2017
National Standard of the People's Republic of China
- Classification
- M 73
Issued by: The General Administration of Quality Supervision, Inspection and Quarantine
Contents
- Document data1
Document data
Chinese classification (CCS): M73.
Estimated length of the Chinese original: 10,146 words.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 14857The specifications of encoding parameters of digital television for studio
- GB 20943Minimum allowable values of energy efficiency and energy efficiency grades for AC-DC and AC-AC power supplies
- SN/T 2838.2General requirements for import and export mechanical and electrical products inspection. Part 2: Teminology and defintions
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Related Standards
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
GB/T 14857-1993 — The specifications of encoding parameters of digital television for studio
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SN/T 3246.4-2017
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