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DB61T1686-2023 PDF English

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DB61T1686-2023: Technical Specification for optical parameters of outdoor LED panels
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DB61T1686-2023: Technical Specification for optical parameters of outdoor LED panels

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DB61 SHAANXI PROVINCIAL LOCAL STANDARD ICS 31.120 CCS L 63 Technical Specification for optical parameters of outdoor LED panels Issued on: MAY 25, 2023 Implemented on: JUNE 25, 2023 Issued by. Shaanxi Provincial Administration for Market Regulation

Table of Contents

Foreword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 4 4 Optical parameters... 5 5 Measuring principle... 7 6 Test conditions... 7 7 Measuring equipment... 7 8 Environmental illumination measurement... 8 9 Maximum brightness measurement... 8

Foreword

This document was drafted in accordance with the rules given in GB/T 1.1-2020 "Directives for standardization - Part 1.Rules for the structure and drafting of standardizing documents". This document was proposed by and shall be under the jurisdiction of Shaanxi Provincial Administration for Market Regulation. The drafting organizations of this document. Shaanxi Institute of Metrology, Xi'an Urban Management and Comprehensive Law Enforcement Bureau, Leyard Optoelectronics Co., Ltd., Shaanxi Coalbed Methane Development and Utilization Co., Ltd., Baoji Quality and Technical Inspection and Testing Center, Baoji Urban Lighting Management Center, Yulin Municipal Public Service Center, Shaanxi Water Conservancy, Environmental and Geological Survey Center, Yangling Quality and Technical Inspection and Testing Institute, Shaanxi Electronic Information Group Optoelectronics Technology Co., Ltd., Shenzhen Huaying Optoelectronics Technology Co., Ltd., and Shaanxi Lighting Society. Main drafters of this document. Li Yi, Ma Kun, Zhou Bingzhi, Ma Yang, Zhang Heng, Huang Qionghua, Li Qing, Bai Jianjun, Liu Na, Lin Mingsheng, Luo Xiaohao, Sun Jiarui, Li Hongwei, Cui Man, Huang Yanshan. This document is interpreted by Shaanxi Institute of Metrology. This document was first issued. Contact information is as follows. Unit. Shaanxi Institute of Metrology Address. No. 580, South Section of Shenzhou 6th Road, Aerospace Base, Xi'an, Shaanxi Province Tel. 029-85838150 Postal Code. 710100 Technical Specification for optical parameters of outdoor LED panels

1 Scope

This document specifies the optical parameters, measurement principles, test conditions, measurement equipment, environmental illumination measurement and maximum brightness measurement requirements for outdoor LED displays. This document is applicable to the measurement of full-color, multi-color or monochrome LED displays installed outdoors.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. JJG 4-2015, Steel Measuring Tapes JJG 211-2021, Verification Regulation of Luminance Meters JJG 245-2005, Verification Regulation of Illuminance Meter JJG 966-2010, Verification regulation of hand-held laser distance meters GB/T 34973-2017, On-site measurements of obtrusive light of LED panels GB/T 36101-2018, Evaluation requirements for obtrusive light of LED panels JGJ/T 163-2008, Code for lighting design of urban nightscape SJ/T 11141-2017, Generic specification for LED displays

3 Terms and definitions

For the purposes of this document, the terms and definitions defined in GB/T 36101, JGJ/T 163, SJ/T 11141 as well as the followings apply. 3.1 LED display A display composed of an array of LED display devices, which uses LED pixels to

5 Measuring principle

As the display terminal of multimedia facilities, outdoor LED displays shall use illuminance meters, brightness meters, laser rangefinders, steel tape measures and other equipment that meet the measurement performance requirements to measure the environmental illumination and the maximum brightness of the outdoor LED display.

6 Test conditions

The measurement shall be carried out when the horizontal visibility is not less than 2 km. Unless otherwise specified, the test environment temperature is 5℃~35℃, and the relative humidity is 20%~80%.

7 Measuring equipment

7.1 Illuminometer The measuring range shall meet the requirements of (0.1~2×104) lx. The metrological performance in the measurement range of (1~3×103) lx shall meet the requirements of JJG 245-2005 standard technical indicators. In the measurement range of (3×103~2×104) lx, the expanded uncertainty of the illuminance value shall reach Urel=2% (k=2). 7.2 Brightness meter The measurement range shall meet the requirements of (0.1~2×105) cd/m2.The metrological performance in the measurement range of (0.1~1×103) cd/m2 shall meet the requirements of JJG 211-2021 standard level or first-level technical indicators. In the measurement range of (1×103~2×105) cd/m2, the expanded uncertainty of the brightness value shall reach Urel= 3% (k=2). 7.3 Laser rangefinder The measuring range shall meet the requirements of (0~50) m. The measuring performance shall meet the requirements of level 0 or level 1 technical indicators specified in JJG 966-2010. 7.4 Steel tape The measuring range shall meet the requirements of (0~10) m. The metrological performance shall meet the requirements of level I or level II technical indicators specified in JJG 4-2015. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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