GB/T 26377-2010Retroreflectometer (English PDF)
逆反射测量仪
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
January 14, 2011
Implementation date
June 1, 2011
Scope
GB/T 26377-2010 is the English-translated version of 逆反射测量仪.
GB/T 26377-2010 covers the retro reflectometer, which the draft calls the retroreflective measuring instrument.
Clause 1 states that the standard specifies the terms and definitions, the structure and classification, the technical requirements, the metrological characteristics, the test methods and the inspection rules of the instrument, as well as marking, packaging, transportation and storage.
The same clause states that it applies to portable instruments measuring the retroreflective performance of traffic safety facilities and that it does not apply to absolute retroreflection measuring systems under the 15 m and 30 m standard laboratory geometries.
Clause 3 defines retroreflection as reflection in which the light is returned in directions close to the direction opposite to that of the incident light, a property kept when the direction of the incident light changes over a wide range, and gives the source of the definition as JT/T 688-2007, definition 2.1.
Clause 2 cites GB/T 191, GB/T 1408.1, GB/T 2423.1, GB/T 2423.2, GB/T 2423.3, GB/T 2423.10, GB/T 7922, GB/T 22084.1, GB/T 22084.2, JJG 213 and JJG (traffic) 059.
The draft on the page breaks off inside clause 3, so the clauses on structure and classification, technical requirements, metrological characteristics, test methods, inspection rules and marking, packaging, transport and storage that clause 1 announces are not shown.
The foreword states that the standard is centrally managed by the National Traffic engineering facilities (highway) Standardization Technical Committee (SAC/TC223) and was drafted by the Research Institute of Highway of the Ministry of Transport and the National Traffic Safety Facilities Quality Supervision and Inspection Center. It was issued on 2011-01-14 and has applied since 2011-06-01.
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Document preview — GB/T 26377-2010
National Standard of the People's Republic of China
- ICS
- 03.220.20
- Classification
- R 86
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
Foreword
This standard by the National Traffic engineering facilities (highway) Standardization Technical Committee (SAC/TC223) and focal points.
1 Scope
This standard specifies the retroreflective meter terms and definitions, structure and classification, technical requirements, metrological characteristics, test methods, inspection regulations As well as the logo, packaging, transportation and storage.
This standard applies to traffic safety facilities retroreflective performance portable measuring instrument, does not apply to standard laboratory 15m and 30m few Retroreflective absolute measuring system under which conditions.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequently Some amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Study whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 191 Packaging - Pictorial signs (GB/T 191-2008, ISO 780:1997, MOD)
GB/T 1408.1 insulating materials electric strength test methods - Part 1; frequency under test (GB/T 1408.1-2006, IEC 60243-1:1998, IDT)
GB/T 2423.1 Environmental testing for electric and electronic products Part 2: Test methods Test A. Cold (GB/T 2423.1-2008, IEC 60068-2-1:2007, IDT)
GB/T 2423.2 Environmental testing for electric and electronic products Part 2: Test methods Test B. Dry heat (GB/T 2423.2-2008, IEC 60068-2-2:2007, IDT)
GB/T 2423.3 Environmental testing for electric and electronic products Part 2: Test methods - Test Cab. Damp heat test (GB/T 2423.3-2006, IEC 60068-2-78:2001, IDT)
GB/T 2423.10 Environmental testing for electric and electronic products Part 2: Test methods Test Fc. Vibration (sinusoidal) (GB/T 2423.10-2008, IEC 60068-2-6:1995, IDT)
GB/T 7922 lighting color measurement method
GB/T 22084.1 and batteries containing alkaline or other non - acid electrolytes - Portable sealed rechargeable single cells first Part 1: Nickel-cadmium battery
GB/T 22084.2 and batteries containing alkaline or other non - acid electrolytes - Portable sealed rechargeable single cells first Part 2: Nickel-metal hydride batteries
JJG213 distribution (color) temperature standard lamp test procedures
JJG (traffic) 059 retroreflective meter verification procedures
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1 Retroreflective
A reflective light reflected back from the opposite direction near the incident. When the change in direction of the incident light over a wide range, it can maintain Species in nature. [JT/T 688-2007, Definition 2.1]
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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.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 1408.1Insulating materials -- Test methods for electric strength -- Part 1: Test at power frequencies
- GB/T 2423.1Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold
- GB/T 2423.2Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat
- GB/T 2423.3Environmental testing - Part 2: Testing method - Test Cab: Damp heat, steady state
- GB/T 2423.10Environmental testing - Part 2: Test methods - Test Fc: Vibration (sinusoidal)
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Related Standards
GB/T 1408.1-2016 — Insulating materials -- Test methods for electric strength -- Part 1: Test at power frequencies
GB/T 191-2025 — Graphical symbols marking for handling and storage of packages
GB/T 1910-2015 — Newsprint
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