Gotham 8 LGH Round Lens SpecSheet - Manual (Page 3)

GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2008-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 10/02/13. Specifications subject to change without notice. PAGE 3 OF 3
LGH-8-ROund-LEnS
LGH 100M 8RW T73 100W ED17 LAMP, 1.0 S/MH, 7900 RATED LUMENS, TEST NO. LTL14368
LGH 100M 8RW FFL 100W ED17 LAMP, 1.0 S/MH, 7900 RATED LUMENS, TEST NO. LTL14369
PH
OTO
M
ET
RY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
8” LGH
Round Lens
Wet Location, Vertical Metal Halide Lamp
PHOTOMETRY NOTES
• Tested to current IES and NEMA standards under stabilized laboratory conditions.
• Actual performance may differ as a result of end-user environment and application.
• Consult factory or IES file for microgroove baffle, black cone or other photometric reports.
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
1841.8
2713.2
3765.2
4130.0
0.0
4130.0
23.3
34.3
47.7
52.3
0.0
*52.3
*E fficiency
0° 10° 20° 30°
40°
50°
60°
70°
80°
90°
Average
500
1000
1500
2000
2500
pf
pc
pw 20%
80% 70% 50%
50% 30% 50% 30% 50% 30%
1
2
3
4
5
6
7
8
9
10
.56
.51
.46
.42
.38
.35
.32
.30
.28
.26 .54
.48
.42
.38
.34
.31
.28
.26
.24
.22 .55
.50
.45
.41
.37
.34
.32
.29
.27
.25 .53
.47
.42
.37
.34
.31
.28
.26
.24
.22 .53
.48
.44
.40
.36
.33
.31
.29
.27
.25 .52
.46
.41
.37
.33
.30
.28
.25
.23
.22
F rom 0° Ave Lumens
0
5
15
25
35
45
55
65
75
85
90
2599
2576
2424
2014
1395
833
446
238
91
22
0
244
680
918
871
647
405
237
103
25
50% beam angle
54.9°
10% beam angle
92.2°
Mount
height
Inital fc
at beam
center
B eam
diameter
fc at
beam
edge
B eam
diameter
fc at
beam
edge
8
10
12
14
16
85.9
46.2
28.8
19.7
14.3 5.7
7.8
9.9
12.0
14.0
43.0
23.1
14.4
9.8
7.1
11.4
15.6
19.8
23.9
28.1 8.6
4.6
2.9
2.0
1.4
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
1894.0
2647.9
3612.6
3936.2
0.0
3936.2
24.0
33.5
45.7
49.8
0.0
*49.8
*E fficiency
0° 10° 20° 30°
40°
50°
60°
70°
80°
90°
Average
500
1000
1500
2000
2500
pf
pc
pw 20%
80% 70% 50%
50% 30% 50% 30% 50% 30%
1
2
3
4
5
6
7
8
9
10
.54
.49
.44
.40
.37
.34
.31
.29
.27
.25 .52
.46
.41
.37
.33
.30
.28
.25
.23
.22 .53
.48
.43
.39
.36
.33
.31
.29
.27
.25 .51
.45
.40
.36
.33
.30
.27
.25
.23
.22 .51
.46
.42
.38
.35
.33
.30
.28
.26
.25 .49
.44
.39
.35
.32
.29
.27
.25
.23
.22
F rom 0° Ave Lumens
0
5
15
25
35
45
55
65
75
85
90
2837
2794
2641
1964
1198
731
442
220
75
18
0
265
733
896
754
568
396
220
83
20
50% beam angle
50.9°
10% beam angle
88.1°
Mount
height
Inital fc
at beam
center
B eam
diameter
fc at
beam
edge
B eam
diameter
fc at
beam
edge
8
10
12
14
16
93.8
50.4
31.4
21.5
15.6 5.2
7.1
9.0
10.9
12.8
46.9
25.2
15.7
10.7
7.8
10.6
14.5
18.4
22.3
26.1 9.4
5.0
3.1
2.1
1.6