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GB/T 5433-2008: Test method for the transmittance of domestic glass
Status: Valid GB/T 5433: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 5433-2008 | English | 139 |
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Test method for the transmittance of domestic glass
| Valid |
GB/T 5433-2008
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| GB/T 5433-1985 | English | 199 |
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2 days [Need to translate]
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The transmittance of daily use glass--Test method
| Obsolete |
GB/T 5433-1985
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PDF similar to GB/T 5433-2008
Basic data | Standard ID | GB/T 5433-2008 (GB/T5433-2008) | | Description (Translated English) | Test method for the transmittance of domestic glass | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y22 | | Classification of International Standard | 81.040.30; 17.180.20 | | Word Count Estimation | 6,674 | | Date of Issue | 2008-12-30 | | Date of Implementation | 2009-09-01 | | Older Standard (superseded by this standard) | GB/T 5433-1985 | | Quoted Standard | JJG 178 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.26 (Total No.139) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the requirements and test methods daily glass of light transmittance. This standard applies to the determination of the light transmittance of household glass products. | GB/T 5433-2008: Test method for the transmittance of domestic glass---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test method for the transmittance of domestic glass
ICS 81.040.30; 17.180.20
Y22
National Standards of People's Republic of China
Replacing GB/T 5433-1985
Daily glass light transmittance ratio measurement method
Posted 2008-12-30
2009-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard replaces GB/T 5433-1985 "daily glass transmittance measurement method."
This standard and GB/T 5433-1985 differences.
--- Measuring range. Determination of visible light transmission originally colorless glass daily, daily modified light transmittance of the glass products
Determination.
--- Original light transmittance T (%) = I/I0 × 100 (400nm ~ 700nm, 7 points) after the average value, is modified
τ Vp =
780nm
380nm
τ (λ) Vp (λ) SD65 (λ) Δλ
780nm
380nm
Vp (λ) SD65 (λ) Δλ
(380nm ~ 780nm, 10nm wavelength interval value superposition).
--- The thickness of the sample (2 ± 0.15) mm to (2 ± 0.1) mm.
--- Requested by the sample surface with a surface roughness finish instead represented.
--- Removed the sample plane parallelism 0.04mm requirements.
Appendix A of this standard is a normative appendix.
The standard proposed by China National Light Industry Council.
This standard by the National Standardization Technical Committee household glass.
This standard was drafted. Donghua University, the National Optical glass enamels Quality Supervision and Inspection Center.
The main drafters of this standard. Yang Jianrong, Wangxian Ying.
This standard replaces the standards previously issued as follows.
--- GB/T 5433-1985.
Daily glass light transmittance ratio measurement method
1 Scope
This standard specifies the requirements and test methods Daily glass products light transmittance.
This standard applies to the determination of the light transmittance of glass products for daily use.
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.
JJG178 ultraviolet, visible, near-infrared spectrophotometer test procedures
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
On the human visual system to produce bright colors and feeling of electromagnetic radiation, electromagnetic radiation known as visible. The wavelength range is generally taken
380nm ~ 780nm.
3.2
τ (λ)
Glass spectral transmittance τ (λ), with a wavelength of [lambda], the ratio of the transmission spectrum of the glass flux and the incident spectral flux.
3.3
τ Vp
Light transmittance τ Vp under D65 light source, through the glass of the ratio of luminous flux and the incident flux. Glass light transmittance (τ Vp) Mathematics
Expressions such as formula (1).
τ Vp =
780nm
380nm
τ (λ) Vp (λ) SD65 (λ) dλ
780nm
380nm
Vp (λ) SD65 (λ) dλ
(1)
Where.
--- [lambda] the wavelength in nanometers (nm);
τ (λ) --- the spectral transmittance of the glass;
Vp (λ) --- Visual Spectrum luminous efficiency function;
SD65 (λ) relative spectral power --- standard illuminant D65 light source distribution.
4 Requirements
4.1 General Requirements
Laboratory should be kept clean, ambient temperature, humidity, vibration system should meet the test requirements.
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