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Jul 2021
Led Soccer Stadium lights standards for indoor football fields
Grade
Function
Illuminance(lx)
Illumination uniformity
Light source
Glare index GR
Eh
Evmai
Uh
Uvmin
Uvaux
Ra
Tcp(K)
U1
U2
U1
U2
U1
U2
Ⅰ
Training and recreational activities
300
—
—
0.3
—
—
—
—
≥65
≤35
Ⅱ
Amateur com petition, professional training
500
—
0.4
0.6
—
—
—
—
≥65
≥4000
≤30
Ⅲ
Professional competition
750
—
0.5
0.7
—
—
—
—
≥65
≥4000
≤30
Ⅳ
TV Broadcast national and international competitions
—
1000
0.5
0.7
0.4
0.6
0.3
0.5
≥80
≥4000
≤30
Ⅴ
TV Broadcast major and international competitions
—
1400
0.6
0.8
0.5
0.7
0.3
0.5
≥80
≥4000
≤30
Ⅵ
HDTV Broadcast major and international competitions
—
2000
0.7
0.8
0.6
0.7
0.4
0.6
≥90
≥5500
≤30
—
TV Emergency
—
750
0.5
0.7
0.3
0.5
—
—
≥80
≥4000
≤30
Note: It is necessary to avoid direct glare to the players, especially to the goalkeeper during a "corner kick"