Standard No.:	GB/T 5702-2019
Chinese Name:	光源显色性评价方法
English Name:	Method of measuring the color rendering properties of light sources
Professional Classification:	A26 Color
ICS Classification:	17.180.20 Colours and measurement of light
Issued by:
Issued on:	2019-03-25
Implemented on:	2019-10-01
Status:	VALID
Replace:	GB/T5702-2003 Methods of measuring the color of light sources
Language:	English
File Format:	PDF
Word Count:	10000 words
Price(USD):	300 (USD)
Delivery:	via email in 1-3 business day

1 Scope

This standard specifies the general requirements for measuring the color rendering of a light source, measurement of light source spectral power distribution, calculation of color rendering, etc.

This standard is applicable to the measuring of color rendering of a light source that meets the requirements of white light sources.

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.

GB/T 5700 Measurement methods for lighting
GB/T 7922 Methods of measuring the colors of light sources
CIE 127 Measurement of LEDs

3 Terms and definitions

For the purposes of this standard, the following terms and definitions apply.

3.1
color rendering of a light source
influence of light source spectrum on color appearance of objects, which is caused by the observer intentionally or unintentionally comparing it with the color appearance under the reference illuminant