Spectral Transmission Graph
11
115
°
Flood
Distance in
Feet
/
Meters
10
/
3.
05
20
/
6.
10
30
/
9.
14
40
/
12.
19
50
/
15.24
60
/
18.29
70
/
21
.33
80
/
24.38
90
/
27
.43
10
0
/
30.48
11
0
/
33.53
31.39
9.57
116
62.79
19.10
31
94.18
28.70
14.1
125.58
38.30
7.9
156.97
47.90
5.1
188.36
57.40
3.6
219.76
67.00
2.6
251.15
76.50
1.9
282.55
86.10
1.6
313.94
95.70
1.3
345.33
86.10
1
Beam Diameter Feet
Beam Diameter Meters
Peak UV-A Intensity W/cm
2
Photometrics Chart
UV-B
UV-A
VISIBLE LIGHT
IR-A
IR-B
0
10%
20%
PERCENTAGE OF TRANSMISSION
WAVELENGTH /NM
30%
40%
100%
90%
80%
70%
60%
50%
280
300
320
340
360
380
400
420
440
460
480
500
520
540
560
580
600
620
640
660
680
700
720
740
760
780
800
820
840
860
880
900
920
940
960
980
1000
1100
1200