The national standard GB 50034-2013 defines the special color rendering index as follows: the color rendering index of the 9th to 15th standard color samples selected by the International Commission on Illumination (CIE). It can be calculated using the following formula:
Ri = 100 – 4.6ΔE
Where: Ri is a special color rendering index;
ΔE is the color difference of a certain color sample under the reference light source and under the light source to be tested.
In fact, the special color rendering index is for the general color rendering index, CIE has a clear definition, showing that the index consists of 15 colors from R1 to R15. The first eight colors constitute the general color rendering index, which is what we use now. Ra. In addition, CIE and China have added the last seven colors, which constitute a special color rendering index. Among them, R9 is saturated red, which plays a very important role in the color restoration of human skin, color and objects!
As we all know, LED is a semiconductor device, electronic products have problems such as aging, color drift, etc. Controlling the general color rendering index and special color rendering index can ensure the LED's ability to restore color, and it is also crucial for LED color stability. effect!
Therefore, LED indoor lighting should meet both Ra and R9 indicators!
ZGAR AZ Ice Box Vape
ZGAR electronic cigarette uses high-tech R&D, food grade disposable pod device and high-quality raw material. All package designs are Original IP. Our designer team is from Hong Kong. We have very high requirements for product quality, flavors taste and packaging design. The E-liquid is imported, materials are food grade, and assembly plant is medical-grade dust-free workshops.
Our products include disposable e-cigarettes, rechargeable e-cigarettes, rechargreable disposable vape pen, and various of flavors of cigarette cartridges. From 600puffs to 5000puffs, ZGAR bar Disposable offer high-tech R&D, E-cigarette improves battery capacity, We offer various of flavors and support customization. And printing designs can be customized. We have our own professional team and competitive quotations for any OEM or ODM works.
We supply OEM rechargeable disposable vape pen,OEM disposable electronic cigarette,ODM disposable vape pen,ODM disposable electronic cigarette,OEM/ODM vape pen e-cigarette,OEM/ODM atomizer device.
ZGAR AZ ICE BOX Disposable Vape,ZGAR AZ ICE BOX disposable electronic cigarette, ZGAR AZ ice box vape ,ZGAR AZ Ice Box E-cig,AZ ICE BOX disposable electronic cigarette
Zgar International (M) SDN BHD , https://www.sze-cigarette.com