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Improving human lighting environment and developing China's lighting industry

Glare limitation methods of different systems

Source: Date:2010-03-12 16:31:44

LC Method

Glare Index

Very High

High

Secondary

low

Very Low

A

B

C

D

E

1.15

1.50

1.85

2.2

2.55

VCP Method

Quality Grade

I

 

II

 

III

VCP Probability

75%

 

65%

 

45%

Les Method

Quality Grade

 

I

II

 

III

Illumination

 

750

500

750

500

 

750

500

Glare Index (CGI)

 

17.0

18.5

18.5

20

 

21.5

23.0

Glare Constant Method

Quality Grade

 

I

 

II

III

Glare Constant Value

 

8

 

16

32

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