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GB 12708-2020 English PDF

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Upon your order, we will start to translate GB 12708-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

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Q: Should I purchase the latest version GB 12708-2020?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 12708-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$99.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 12708-2020: Colours of light signals on aids to navigation
Status: Valid

GB 12708: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 12708-2020	99	Add to Cart	3 days	Colours of light signals on aids to navigation	Valid
GB 12708-1991	199	Add to Cart	2 days	The colours of light signals on aids to navigation	Obsolete

Similar standards

GB/T 26781 GB 16161

Basic data

Standard ID: GB 12708-2020 (GB12708-2020)
Description (Translated English): Colours of light signals on aids to navigation
Sector / Industry: National Standard
Classification of Chinese Standard: R63
Classification of International Standard: 03.220.40
Word Count Estimation: 5,584
Date of Issue: 2020-11-17
Date of Implementation: 2023-12-01
Older Standard (superseded by this standard): GB 12708-1991
Quoted Standard: GB/T 8417-2003
Regulation (derived from): National Standard Announcement No. 25 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the color type, chromaticity area and measurement requirements of the navigation mark light signal. This standard is applicable to all kinds of light signals of Chinese maritime areas and inland navigation marks.

GB 12708-2020: Colours of light signals on aids to navigation

---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.
(Navigation beacon light signal color) ICS 03:220:40 R63 National Standards of People's Republic of China Replace GB 12708-1991 Navigation beacon light signal color 2020-11-17 released 2023-12-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Color type and chromaticity area range of navigation mark light signal 1 4 Measurement requirements 1

Foreword

This standard was drafted in accordance with the rules given in GB/T 1:1-2009: This standard replaces GB 12708-1991 "Aids to Navigation Light Signal Color": Compared with GB 12708-1991, except for editorial changes, the main The technical changes are as follows: ---Added the types and notes of the color of the navigation mark light signal (see 3:1, 2:1 in the:1991 edition); --- Deleted the boundary equation of the light chromaticity range (see 2:2:1 of the:1991 edition); ---Modified the chromaticity area range of the navigation mark light signal color (see 3:2, 2:2:2 of the:1991 edition); ---Adjusted the content of the lighting color and chromaticity range other than the prohibition of use (see 3:4, Chapter 3 of the:1991 edition); ---Added general measurement requirements (see Chapter 4): This standard was proposed and managed by the Ministry of Transport of the People's Republic of China: The previous versions of the standard replaced by this standard are as follows: ---GB 12708-1991: Navigation beacon light signal color

1 Scope

This standard specifies the color type, chromaticity area and measurement requirements of the navigation mark light signal: This standard is applicable to all kinds of light signals of Chinese maritime areas and inland navigation marks:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article Pieces: For undated references, the latest version (including all amendments) applies to this document: GB/T 8417-2003 light signal color

3 The color type and chromaticity area range of the navigation mark light signal

3:1 The color of the navigation mark light signal should be red, yellow, green, white, and blue: Other colors should not be used: 3:2 The chromaticity coordinate (x, y) values of the intersection of the red, yellow, green, white and blue light chromaticity area limits are shown in Table 1: Table 1 CIE1931 Chromaticity Coordinate Table of Navigation Mark Light Signal Color Light color 1 2 3 4 5 xyxyxyxyxy Red 0:710 0:290 0:690 0:290 0:660 0:320 0:680 0:320-- Yellow 0:5865 0:413 0:581 0:411 0:555 0:435 0:560 0:440-- Green 0:009 0:720 0:284 0:520 0:207 0:397 0:013 0:494-- White 0:440 0:382 0:285 0:264 0:285 0:332 0:453 0:440 0:453 0:382 Blue 0:104 0:100 0:150 0:100 0:175 0:070 0:149 0:025-- 3:3 The chromaticity area of the navigation mark light signal color drawn on the CIE1931 chromaticity diagram (x, y) is shown in Figure 1: 3:4 The chromaticity coordinate values of red, yellow, green, white and blue lights, no matter what color filter material is used, should be within the requirements specified in 3:2 and 3:3: Within the corresponding chromaticity area:

4 Measurement requirements

4:1 The color of the navigation mark light signal should be determined by obtaining the CIE1931 chromaticity coordinate value (x, y): 4:2 The color of the light signal of the navigation mark using LED as the light source should adopt the spectral radiometric method to obtain the CIE1931 chromaticity coordinate value (x, y): ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB 12708-2020_English be delivered?

Answer: Upon your order, we will start to translate GB 12708-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB 12708-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB 12708-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB 12708-2020?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 12708-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.