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Energy flux density and percent of total erythematic effect for each line for Uviarc with filler but without reflector. (At 72 volts and 3.75 amperes).
Wave length
2700
2804
2894
2925
2967
3024
3130
3342
3650
µw/cm2 at 1 meter distance
.04
.76
.96
.56
3.14
9.2
22.6
5.7
45.3
Percentage of total erythematic effect
threshold
.23
2.2
3.1
2.5
29.
53.5
9.3
.16
.09
degree 1
.11
1.3
2.3
2.4
28.
55.
10.6
.19
.11
degree 4
.01
.26
1.0
1.4
24.
58.
14.7
.30
.19
Table 3
Energy flux density and percent of total erythematic effect for each line in radiation in center of beam from General Electric Sunlamp. (115 Volts on Primary)
Wave length
2537
2650
2804
2894
2967
3024
3130
µw/cm2 at one meter distance
.32
1.9
2.9
3.3
12.
23.
67.
Percentage of total erythematic effect
threshold
27.
5.4
1.9
2.5
26.
31.
6.
degree 1
12.
2.8
1.5
2.3
32.
40.
9.
degree 4
0.6
0.2
0.3
1.2
32.
51.
15.
Table 4
Relative lengtlis of exposure necessary to produce a given degree of reddening with various sources. (Subject at one meter distance from each artificial source).
No reflector. Arc at 72.5 volts and 3.75 amperes.
In direction perpendicular to plane of leads. 115 volts on primary of transformer. No reflector.
In center of beam. Reflector pointing downward. 115 volts on primary.
No reflector. Tungsten filament at 3040°K. (300 hrs. life).
Tables (4)
Table 1
Energy flux density and percentage of total erythematic effect for lines radiated by quartz mercury arc (at 72 volts and 3.75 amps) no reflector.
Energy flux density and percent of total erythematic effect for each line for Uviarc with filler but without reflector. (At 72 volts and 3.75 amperes).
Wave length
2700
2804
2894
2925
2967
3024
3130
3342
3650
µw/cm2 at 1 meter distance
.04
.76
.96
.56
3.14
9.2
22.6
5.7
45.3
Percentage of total erythematic effect
threshold
.23
2.2
3.1
2.5
29.
53.5
9.3
.16
.09
degree 1
.11
1.3
2.3
2.4
28.
55.
10.6
.19
.11
degree 4
.01
.26
1.0
1.4
24.
58.
14.7
.30
.19
Table 3
Energy flux density and percent of total erythematic effect for each line in radiation in center of beam from General Electric Sunlamp. (115 Volts on Primary)
Wave length
2537
2650
2804
2894
2967
3024
3130
µw/cm2 at one meter distance
.32
1.9
2.9
3.3
12.
23.
67.
Percentage of total erythematic effect
threshold
27.
5.4
1.9
2.5
26.
31.
6.
degree 1
12.
2.8
1.5
2.3
32.
40.
9.
degree 4
0.6
0.2
0.3
1.2
32.
51.
15.
Table 4
Relative lengtlis of exposure necessary to produce a given degree of reddening with various sources. (Subject at one meter distance from each artificial source).
No reflector. Arc at 72.5 volts and 3.75 amperes.
In direction perpendicular to plane of leads. 115 volts on primary of transformer. No reflector.
In center of beam. Reflector pointing downward. 115 volts on primary.
No reflector. Tungsten filament at 3040°K. (300 hrs. life).