Photometric Data File Viewer

Following the the basic photometric performance for the product you selected. For additional calculation capabilities, download this file and use a lighting design software package such as Visual.

TEST:LTL13600
MANUFAC:GOTHAM
LUMCAT:GQ 400T 6MB "WIDE"
LUMINAIRE:GQ 6" APERTURE QUARTZ MICROGROOVE BAFFLE DOWNLIGHT 400W T4 WIDE
LAMPCAT:Q400 MC
LAMP:ONE 400-WATT FROSTED T4 QUARTZ HALOGEN, VERTICAL POS.
BALLAST:NA
_INFOLINK:www.lithonia.com/visual/ies/ies.asp?vfile=
Number Lamps: 1
Lumens Per Lamp: 7850
Photometric Type: Type C
Luminous Width: -0.52 ft
Luminous Length: -0.52 ft
Luminous Height: 0 ft
Ballast Factor: 1
Input Watts: 400
Efficiency (Total): 63.5 %
Efficiency (Up): 0.0 %
Efficiency (Down): 63.5 %

Spacing Criteria
AngleValue
All0.88
Candela Values:
0
04,668
0.54,681
14,716
1.54,777
24,864
2.54,969
35,089
3.55,217
45,353
4.55,488
55,623
5.55,756
65,883
6.56,000
76,105
7.56,192
86,257
8.56,298
96,309
9.56,289
106,240
10.56,175
116,095
11.56,001
125,897
12.55,790
135,691
13.55,604
145,524
14.55,454
155,393
15.55,348
165,318
16.55,303
175,293
17.55,287
185,286
18.55,285
195,281
19.55,279
205,273
20.55,266
215,261
21.55,251
225,228
22.55,195
235,162
23.55,130
245,089
24.55,046
255,004
25.54,961
264,910
26.54,859
274,804
27.54,726
284,607
28.54,455
294,269
29.54,006
303,667
30.53,274
312,805
31.52,307
321,844
32.51,464
331,172
33.5958
34810
34.5706
35636
35.5577
36510
36.5430
37342
37.5254
38178
38.5124
3987
39.564
4050
40.539
4131
41.527
4223
42.521
4319
43.518
4416
44.515
4514
45.513
4613
46.512
4711
47.511
4810
48.510
499
49.59
508
50.58
517
51.57
527
52.57
537
53.56
546
54.56
556
55.56
566
56.55
575
57.54
584
58.54
594
59.53
603
60.53
613
61.53
623
62.53
633
63.53
643
64.53
653
65.53
662
66.52
672
67.52
682
68.52
692
69.52
701
70.52
712
71.51
722
72.51
731
73.52
741
74.51
751
75.51
761
76.51
771
77.51
781
78.51
791
79.51
801
80.51
811
81.50
820
82.50
830
83.51
841
84.51
851
85.51
861
86.51
871
87.51
880
88.51
890
89.50
900

Average Luminance (cd/sq.m)
04590
55533533533
65362362362
75197197197
85584584584