GB/T 27582-2011Optical functional films - Electromagnetic interference shielding film for plasma TV - Determination of shielding effectiveness (English PDF)
光学功能薄膜 等离子电视用电磁波屏蔽膜 屏蔽效能测定方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 5, 2011
Implementation date
March 1, 2012
Scope
GB/T 27582-2011 is the English-translated version of 光学功能薄膜 等离子电视用电磁波屏蔽膜 屏蔽效能测定方法.
GB/T 27582-2011 is the Chinese standard "Optical functional films - Electromagnetic interference shielding film for plasma TV - Determination of shielding effectiveness".
Its scope clause reads: This standard specifies the plane wave such as the use of a plasma TV on a variety of electromagnetic radiation shielding material shielding effectiveness measurement method.
This standard applies to the electromagnetic wave shielding film and optical filter shielding effectiveness testing. Its clauses include terms and definitions.
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Document preview — GB/T 27582-2011
National Standard of the People's Republic of China
- ICS
- 71.080.99
- Classification
- G 15
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 3.1 An electromagnetic wave shielding film
- 3.2 Optical filter
- 3.3 Shielding effectiveness
1 Scope
This standard specifies the plane wave such as the use of a plasma TV on a variety of electromagnetic radiation shielding material shielding effectiveness measurement method.
This standard applies to the electromagnetic wave shielding film and optical filter shielding effectiveness testing.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 6113.101 radio disturbance and immunity measuring apparatus and methods - Part 1-1. Radio disturbance and anti-
Interference measuring equipment measuring equipment
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1 An electromagnetic wave shielding film
Plastic film (e.g., polyethylene terephthalate PET) surface of the plated transparent metal layer or a metal mesh, an electromagnetic wave having a barrier
Radiation function of the functional film.
3.2 Optical filter
An electromagnetic wave shielding film and a film having other functions (e.g., near infrared resistance, hue correction neon discharge, and reduce the surface reflection) in a combination of
Since mounted directly on the plasma TV, or the like attached to the flat glass after the installation of special filters used on the plasma TV.
3.3 Shielding effectiveness
SE In the same excitation level, the non-shielding materials and shielding material when received specific power or voltage, and logarithmic. which is
SE = 20lg (V0/V1) (1)
Or SE = 10lg (P0/P1) (2)
Where.
SE --- shielding effectiveness, in decibels (dB);
V0 --- without shielding material received voltage;
V1 --- when shielding material received voltage;
P0 --- without shielding material received power;
P1 --- when shielding material received power.
GB/T 37382-2019 | GB/T 6324.5-2008 | GB/T 7531-2008 | GB/T 27584-2011 | GB/T 27583-2011 | GB/T 27581-2011 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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