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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:		LTL15058
DATE:		3/29/06
MANUFAC:		GOTHAM
LUMCAT:		20M T4 4 WIDE
LUMINAIRE:		4" LENSED 20WATT T4.5 WIDE DISTRIBUTION
LAMPCAT:		CMH20/TC/U/830/G8.5
LAMP:		ONE 20-WATT CLEAR T4 BI-PIN METAL HALIDE, VERTICAL BASE UP POS.
BALLAST:		M2012-27CK-3EU-J
Number Lamps:		1
Lumens Per Lamp:		1700
Photometric Type:		Type C
Luminous Width:		-0.33 ft
Luminous Length:		-0.33 ft
Luminous Height:		0 ft
Ballast Factor:		1
Input Watts:		23.5
Efficiency (Total):		68.3 %
Efficiency (Up):		0.0 %
Efficiency (Down):		68.3 %

		Spacing Criteria
		Angle	Value
		All	0.97

		Candela Values:
		0
0		853
0.5		853
1		853
1.5		854
2		855
2.5		856
3		858
3.5		860
4		862
4.5		864
5		866
5.5		868
6		871
6.5		873
7		877
7.5		880
8		884
8.5		889
9		894
9.5		900
10		905
10.5		912
11		920
11.5		926
12		934
12.5		942
13		949
13.5		957
14		965
14.5		973
15		981
15.5		988
16		996
16.5		1,001
17		1,006
17.5		1,010
18		1,012
18.5		1,012
19		1,010
19.5		1,006
20		1,000
20.5		992
21		982
21.5		971
22		957
22.5		940
23		922
23.5		901
24		879
24.5		856
25		831
25.5		806
26		780
26.5		754
27		727
27.5		700
28		673
28.5		647
29		620
29.5		595
30		569
30.5		545
31		521
31.5		498
32		475
32.5		453
33		432
33.5		412
34		392
34.5		373
35		355
35.5		338
36		321
36.5		306
37		291
37.5		276
38		262
38.5		249
39		236
39.5		224
40		212
40.5		201
41		190
41.5		180
42		170
42.5		162
43		154
43.5		148
44		143
44.5		140
45		139
45.5		141
46		144
46.5		148
47		151
47.5		152
48		151
48.5		146
49		137
49.5		125
50		113
50.5		102
51		91
51.5		82
52		75
52.5		69
53		64
53.5		60
54		56
54.5		53
55		50
55.5		47
56		45
56.5		43
57		41
57.5		38
58		37
58.5		35
59		33
59.5		32
60		30
60.5		29
61		27
61.5		26
62		25
62.5		24
63		23
63.5		22
64		21
64.5		20
65		19
65.5		18
66		18
66.5		17
67		16
67.5		16
68		15
68.5		15
69		14
69.5		14
70		13
70.5		13
71		13
71.5		12
72		12
72.5		12
73		11
73.5		11
74		10
74.5		10
75		9
75.5		9
76		9
76.5		8
77		8
77.5		8
78		7
78.5		7
79		7
79.5		7
80		7
80.5		6
81		6
81.5		6
82		6
82.5		5
83		5
83.5		5
84		4
84.5		4
85		4
85.5		3
86		3
86.5		3
87		2
87.5		2
88		2
88.5		1
89		1
89.5		1
90		0

	Average Luminance (cd/sq.m)
	0	45	90
55	11,027	11,027	11,027
65	5,687	5,687	5,687
75	4,399	4,399	4,399
85	5,805	5,805	5,805