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:LTL13564
MANUFAC:GOTHAM
LUMCAT:GQ 250T 6AR"WIDE"
LUMINAIRE:GQ 6" APERTURE QUARTZ DOWNLIGHT 250W T4 WIDE
LAMPCAT:250Q ESM
LAMP:ONE 250-WATT FROSTED T4 QUARTZ HALOGEN, VERTICAL BASE UP POS.
BALLAST:NA
_INFOLINK:www.lithonia.com/visual/ies/ies.asp?vfile=
Number Lamps: 1
Lumens Per Lamp: 4850
Photometric Type: Type C
Luminous Width: -0.52 ft
Luminous Length: -0.52 ft
Luminous Height: 0 ft
Ballast Factor: 1
Input Watts: 250
Efficiency (Total): 65.7 %
Efficiency (Up): 0.0 %
Efficiency (Down): 65.7 %

Spacing Criteria
AngleValue
All0.81
Candela Values:
0
04,869
0.54,869
14,850
1.54,789
24,714
2.54,656
34,616
3.54,591
44,588
4.54,603
54,626
5.54,650
64,673
6.54,696
74,717
7.54,730
84,731
8.54,720
94,694
9.54,656
104,607
10.54,547
114,481
11.54,408
124,328
12.54,245
134,163
13.54,084
144,010
14.53,943
153,883
15.53,831
163,789
16.53,754
173,726
17.53,702
183,680
18.53,657
193,632
19.53,603
203,570
20.53,532
213,490
21.53,445
223,396
22.53,343
233,290
23.53,234
243,182
24.53,131
253,085
25.53,042
262,994
26.52,931
272,848
27.52,745
282,616
28.52,452
292,240
29.51,987
301,711
30.51,423
311,147
31.5906
32715
32.5595
33541
33.5510
34467
34.5403
35328
35.5243
36165
36.5112
3777
37.556
3843
38.534
3928
39.524
4021
40.520
4118
41.517
4216
42.515
4314
43.514
4412
44.512
4511
45.511
4611
46.510
4710
47.59
488
48.58
498
49.57
507
50.56
516
51.55
525
52.55
535
53.55
545
54.54
554
55.54
564
56.54
574
57.53
583
58.53
593
59.52
602
60.52
612
61.52
622
62.51
632
63.52
642
64.52
652
65.51
661
66.51
671
67.51
681
68.51
690
69.51
701
70.51
711
71.50
720
72.51
731
73.51
741
74.51
752
75.52
761
76.51
770
77.50
780
78.50
790
79.50
800
80.50
810
81.50
821
82.51
831
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
55355355355
65241241241
75394394394
85584584584