Photometry Online Viewer

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:		LTL13678
MANUFAC:		GOTHAM
LUMCAT:		GQ 250T 6AR(NARROW)
LUMINAIRE:		GQ 6" APERTURE QUARTZ DOWNLIGHT 250W T4 NARROW
LAMPCAT:		250Q ESM
LAMP:		ONE 250-WATT FROSTED T4 MINI CAN TUNGSTEN HALOGEN, VERTICAL BASE UP POS.
BALLAST:		NONE
_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):		64.7 %
Efficiency (Up):		0.0 %
Efficiency (Down):		64.7 %

		Spacing Criteria
		Angle	Value
		All	0.31

		Candela Values:
		0
0		11,480
0.5		11,401
1		11,152
1.5		10,736
2		10,228
2.5		9,695
3		9,164
3.5		8,662
4		8,224
4.5		7,843
5		7,513
5.5		7,228
6		6,976
6.5		6,757
7		6,557
7.5		6,368
8		6,188
8.5		6,014
9		5,843
9.5		5,670
10		5,497
10.5		5,325
11		5,153
11.5		4,986
12		4,829
12.5		4,680
13		4,546
13.5		4,424
14		4,317
14.5		4,223
15		4,143
15.5		4,069
16		4,004
16.5		3,942
17		3,887
17.5		3,837
18		3,786
18.5		3,729
19		3,666
19.5		3,593
20		3,505
20.5		3,411
21		3,312
21.5		3,214
22		3,119
22.5		3,035
23		2,959
23.5		2,887
24		2,820
24.5		2,751
25		2,681
25.5		2,603
26		2,504
26.5		2,375
27		2,213
27.5		2,015
28		1,790
28.5		1,560
29		1,336
29.5		1,127
30		929
30.5		761
31		637
31.5		564
32		518
32.5		474
33		417
33.5		340
34		263
34.5		192
35		132
35.5		90
36		64
36.5		47
37		36
37.5		30
38		26
38.5		23
39		21
39.5		19
40		17
40.5		16
41		15
41.5		14
42		13
42.5		12
43		11
43.5		11
44		11
44.5		12
45		11
45.5		11
46		10
46.5		9
47		9
47.5		8
48		7
48.5		7
49		7
49.5		6
50		6
50.5		6
51		6
51.5		5
52		5
52.5		5
53		5
53.5		5
54		5
54.5		4
55		4
55.5		4
56		5
56.5		4
57		4
57.5		4
58		4
58.5		4
59		4
59.5		3
60		3
60.5		3
61		3
61.5		3
62		2
62.5		2
63		2
63.5		2
64		2
64.5		2
65		2
65.5		2
66		3
66.5		2
67		3
67.5		3
68		2
68.5		2
69		3
69.5		3
70		3
70.5		2
71		2
71.5		2
72		2
72.5		2
73		2
73.5		2
74		1
74.5		1
75		1
75.5		1
76		1
76.5		1
77		1
77.5		1
78		1
78.5		1
79		1
79.5		1
80		1
80.5		1
81		1
81.5		1
82		2
82.5		1
83		1
83.5		1
84		1
84.5		0
85		0
85.5		1
86		0
86.5		1
87		1
87.5		1
88		1
88.5		1
89		0
89.5		1
90		0

	Average Luminance (cd/sq.m)
	0	45	90
55	355	355	355
65	241	241	241
75	197	197	197
85	0	0	0