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GB/T 20149-2006Road traffic lights -- Photometric properties of 200 mm roundel signals (English PDF)

道路交通信号灯 200mm 圆形信号灯的光度特性

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Level / Type

National · Recommended

Issue date

March 6, 2006

Implementation date

November 1, 2006

Scope

GB/T 20149-2006 is the English-translated version of 道路交通信号灯 200mm 圆形信号灯的光度特性.

GB/T 20149-2006 — This standard specifies 200 mm color of traffic lights, luminous intensity and luminous intensity distribution. This standard also includes images of the sun light of this major issue that will affect the optical signal correctly identified.

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Document preview — GB/T 20149-2006

National Standard of the People's Republic of China

ICS: 93.080.30
Classification: K 70

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

What this standard covers1
Document data2

What this standard covers

This standard specifies 200 mm color of traffic lights, luminous intensity and luminous intensity distribution. This standard also includes images of the sun light of this major issue that will affect the optical signal correctly identified. Visibility of traffic lights depends on many factors, the most important of these factors is the light color, light intensity and the light emission intensity distribution.

Document data

International classification (ICS): 93.080.30.

Chinese classification (CCS): K70.

Estimated length of the Chinese original: 8,857 words.

Adopted international standard: CIE S 006.1/E-1999, IDT.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 6 pages — is available in the English PDF.

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