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:		LTL13644
MANUFAC:		GOTHAM
LUMCAT:		GQT 250T 6AR [ medium ]
LUMINAIRE:		GQT 6" APERTURE TILTABLE QUARTZ DOWNLIGHT 250W T4 MED 30 DEGREE TILT
LAMPCAT:		SYL 250Q ESW
LAMP:		ONE 250-WATT FROSTED T4 TUNGSTEN HALOGEN, VERTICAL BASE UP POSITION
_INFOLINK:		www.lithonia.com/visual/ies/ies.asp?vfile=
Number Lamps:		1
Lumens Per Lamp:		4850
Photometric Type:		Type C
Luminous Width:		-0.53 ft
Luminous Length:		-0.53 ft
Luminous Height:		0 ft
Ballast Factor:		1
Input Watts:		250.2
Efficiency (Total):		58.1 %
Efficiency (Up):		0.0 %
Efficiency (Down):		58.1 %

		Spacing Criteria
		Angle	Value
		0	0.73
		90	0.69
		180	0.61

	Candela Values:
	0	22.5	45	67.5	90	112.5	135	157.5	180
0	5,911	5,911	5,911	5,911	5,911	5,911	5,911	5,911	5,911
0.5	6,047	6,048	5,990	5,929	5,898	5,843	5,823	5,821	5,792
1	6,183	6,146	6,049	5,949	5,878	5,793	5,739	5,711	5,668
1.5	6,304	6,235	6,089	5,955	5,861	5,755	5,671	5,610	5,546
2	6,416	6,304	6,110	5,947	5,846	5,733	5,621	5,518	5,435
2.5	6,518	6,354	6,110	5,931	5,837	5,728	5,592	5,441	5,337
3	6,619	6,387	6,089	5,906	5,833	5,733	5,578	5,378	5,261
3.5	6,714	6,399	6,054	5,868	5,829	5,739	5,567	5,325	5,188
4	6,795	6,389	6,000	5,813	5,817	5,737	5,551	5,276	5,137
4.5	6,858	6,362	5,933	5,748	5,794	5,727	5,530	5,223	5,096
5	6,891	6,313	5,854	5,681	5,762	5,707	5,493	5,161	5,069
5.5	6,898	6,237	5,763	5,618	5,723	5,673	5,450	5,093	5,053
6	6,872	6,143	5,662	5,556	5,673	5,631	5,405	5,023	5,043
6.5	6,815	6,035	5,550	5,492	5,616	5,580	5,361	4,960	5,029
7	6,730	5,923	5,425	5,423	5,550	5,518	5,311	4,905	5,009
7.5	6,619	5,808	5,283	5,343	5,473	5,442	5,256	4,863	4,983
8	6,481	5,682	5,125	5,248	5,380	5,363	5,191	4,831	4,954
8.5	6,329	5,553	4,970	5,144	5,273	5,271	5,119	4,805	4,919
9	6,177	5,412	4,830	5,035	5,160	5,167	5,038	4,776	4,869
9.5	6,020	5,264	4,694	4,920	5,047	5,057	4,944	4,741	4,808
10	5,862	5,102	4,568	4,798	4,930	4,944	4,843	4,694	4,737
10.5	5,690	4,947	4,446	4,676	4,813	4,825	4,736	4,630	4,658
11	5,509	4,803	4,333	4,551	4,688	4,699	4,619	4,554	4,569
11.5	5,338	4,660	4,231	4,438	4,564	4,576	4,496	4,463	4,475
12	5,170	4,518	4,128	4,326	4,449	4,452	4,372	4,368	4,377
12.5	5,013	4,396	4,033	4,227	4,337	4,337	4,257	4,272	4,276
13	4,859	4,276	3,946	4,132	4,238	4,238	4,148	4,176	4,185
13.5	4,729	4,165	3,874	4,053	4,151	4,143	4,043	4,084	4,091
14	4,601	4,078	3,811	3,988	4,072	4,061	3,938	3,990	3,993
14.5	4,493	3,998	3,759	3,937	4,001	3,984	3,841	3,881	3,878
15	4,393	3,934	3,727	3,892	3,951	3,923	3,741	3,760	3,749
15.5	4,304	3,876	3,696	3,857	3,901	3,856	3,630	3,649	3,657
16	4,213	3,820	3,663	3,826	3,852	3,794	3,521	3,564	3,570
16.5	4,125	3,770	3,638	3,790	3,806	3,725	3,426	3,480	3,475
17	4,038	3,719	3,611	3,750	3,756	3,651	3,344	3,385	3,371
17.5	3,967	3,668	3,579	3,705	3,700	3,572	3,261	3,285	3,266
18	3,893	3,615	3,537	3,655	3,638	3,504	3,174	3,184	3,161
18.5	3,809	3,556	3,483	3,596	3,574	3,444	3,087	3,082	3,048
19	3,716	3,490	3,424	3,525	3,507	3,380	3,005	2,982	2,940
19.5	3,634	3,428	3,366	3,461	3,448	3,312	2,927	2,881	2,829
20	3,549	3,368	3,315	3,407	3,396	3,241	2,849	2,787	2,716
20.5	3,462	3,295	3,266	3,345	3,337	3,175	2,773	2,696	2,604
21	3,360	3,222	3,207	3,280	3,274	3,113	2,712	2,596	2,486
21.5	3,260	3,146	3,136	3,211	3,213	3,054	2,649	2,486	2,356
22	3,166	3,078	3,067	3,138	3,148	2,995	2,577	2,364	2,228
22.5	3,089	3,020	3,012	3,071	3,082	2,936	2,500	2,241	2,093
23	3,024	2,973	2,965	3,012	3,027	2,879	2,415	2,115	1,970
23.5	2,963	2,933	2,927	2,957	2,972	2,816	2,316	1,994	1,848
24	2,918	2,900	2,892	2,912	2,923	2,749	2,218	1,876	1,721
24.5	2,879	2,862	2,858	2,865	2,874	2,681	2,118	1,766	1,605
25	2,829	2,819	2,815	2,818	2,822	2,616	2,017	1,657	1,495
25.5	2,766	2,756	2,756	2,770	2,767	2,551	1,913	1,546	1,379
26	2,676	2,661	2,679	2,707	2,711	2,485	1,805	1,431	1,268
26.5	2,560	2,539	2,573	2,622	2,648	2,407	1,689	1,313	1,151
27	2,400	2,375	2,427	2,507	2,569	2,325	1,579	1,196	1,036
27.5	2,195	2,159	2,234	2,357	2,465	2,230	1,467	1,088	930
28	1,943	1,901	2,000	2,158	2,326	2,108	1,358	984	830
28.5	1,667	1,631	1,728	1,914	2,135	1,945	1,237	881	732
29	1,399	1,368	1,463	1,655	1,901	1,741	1,098	774	636
29.5	1,163	1,129	1,216	1,394	1,643	1,487	934	656	531
30	943	916	986	1,150	1,390	1,232	760	533	418
30.5	782	747	784	928	1,153	998	598	406	313
31	685	650	662	744	929	791	453	291	219
31.5	630	597	595	627	739	600	323	194	138
32	582	556	557	558	610	441	226	125	81
32.5	510	486	498	516	536	348	167	82	48
33	440	415	424	456	486	307	138	57	29
33.5	362	335	355	384	421	291	121	42	17
34	257	237	267	314	352	253	109	30	7
34.5	184	163	176	226	283	204	89	19	4
35	131	115	120	150	203	157	66	9	3
35.5	100	85	88	102	133	103	47	3	2
36	78	65	61	69	91	62	28	2	2
36.5	64	52	45	45	56	37	17	1	2
37	53	43	35	34	36	24	11	2	1
37.5	49	39	30	27	26	19	8	1	1
38	42	35	27	24	24	18	5	2	4
38.5	41	33	25	24	22	18	3	2	1
39	39	31	25	23	22	18	2	0	2
39.5	39	32	27	24	24	18	2	0	0
40	41	36	29	27	25	19	0	0	0
40.5	44	40	31	29	27	18	1	0	0
41	46	42	35	33	28	17	0	1	1
41.5	49	47	38	34	28	14	3	1	0
42	54	49	40	37	28	12	2	1	1
42.5	60	53	44	38	26	11	1	1	3
43	64	58	48	38	23	7	2	2	1
43.5	68	62	49	36	20	7	2	2	3
44	75	67	51	32	14	5	2	1	1
44.5	81	70	50	29	14	3	2	2	0
45	86	73	47	24	11	4	2	2	1
45.5	93	75	42	21	9	4	3	2	3
46	97	73	38	19	8	2	2	1	2
46.5	100	71	34	15	6	3	2	2	2
47	98	67	29	12	5	3	3	2	4
47.5	94	61	25	11	5	2	3	2	3
48	86	51	22	9	5	3	1	2	4
48.5	76	40	16	7	3	1	2	2	2
49	58	31	12	5	4	1	2	1	2
49.5	41	23	8	5	4	2	1	2	2
50	29	16	7	4	3	1	0	2	0
50.5	20	12	6	5	2	1	1	2	1
51	14	11	5	3	2	2	1	1	3
51.5	11	8	6	3	2	2	2	0	0
52	10	8	5	4	3	1	1	0	0
52.5	9	7	6	3	2	2	1	0	1
53	10	8	6	4	3	0	2	0	0
53.5	8	7	6	3	3	1	1	0	0
54	9	7	5	3	3	2	2	1	0
54.5	8	6	5	3	3	2	2	1	1
55	8	7	5	3	3	3	2	1	0
55.5	7	6	5	3	3	2	2	0	0
56	7	5	5	3	2	3	1	1	0
56.5	7	5	5	3	2	1	1	1	1
57	5	5	4	2	3	1	1	1	1
57.5	7	5	5	1	2	1	1	1	0
58	5	4	4	2	3	1	1	1	0
58.5	3	4	2	1	2	1	1	1	0
59	6	3	2	1	2	1	0	1	0
59.5	4	3	2	1	1	0	1	0	0
60	3	3	1	1	1	0	0	0	0
60.5	4	2	2	1	1	0	0	0	1
61	3	1	2	1	1	0	1	0	0
61.5	5	3	1	1	1	0	0	0	0
62	4	2	3	1	0	0	0	0	0
62.5	4	2	2	1	0	0	0	0	0
63	4	2	1	1	1	0	0	0	0
63.5	1	1	2	1	0	0	1	0	1
64	2	3	1	0	0	1	0	0	0
64.5	2	1	1	1	1	0	0	0	0
65	1	1	1	0	1	0	0	0	0
65.5	2	2	2	1	0	0	1	0	0
66	2	3	1	1	1	0	1	0	0
66.5	1	3	2	2	1	0	1	1	0
67	2	2	2	1	1	1	2	0	0
67.5	4	1	1	1	0	1	1	0	0
68	4	2	1	1	1	1	1	0	1
68.5	2	0	1	1	0	0	0	0	0
69	2	1	2	1	0	0	0	0	1
69.5	0	2	1	0	0	0	0	0	0
70	3	0	1	0	0	0	0	0	0
70.5	0	0	2	0	0	0	0	0	0
71	1	1	1	1	0	0	0	0	0
71.5	1	1	2	0	0	0	0	0	0
72	1	1	1	1	0	1	1	0	0
72.5	1	3	1	1	1	1	1	1	0
73	2	2	3	1	0	0	1	0	0
73.5	3	4	2	1	1	0	1	1	1
74	3	1	2	2	0	1	1	1	0
74.5	4	3	3	1	1	0	0	0	0
75	3	3	2	1	2	0	0	1	0
75.5	2	2	3	1	1	0	1	1	0
76	1	2	3	2	2	1	0	1	0
76.5	2	2	2	0	1	0	1	1	0
77	3	2	0	0	1	0	1	1	0
77.5	3	1	1	1	0	1	1	0	1
78	1	1	3	0	1	1	0	0	0
78.5	1	1	1	0	0	0	1	1	1
79	1	2	1	0	0	1	1	1	0
79.5	1	1	0	0	1	0	0	0	0
80	0	1	1	1	1	0	0	0	0
80.5	2	1	2	0	0	2	1	0	0
81	2	2	2	2	2	0	1	1	0
81.5	3	2	1	2	1	1	0	1	1
82	5	3	2	1	1	1	1	1	1
82.5	4	4	3	2	1	1	1	1	0
83	2	2	2	1	2	1	1	0	0
83.5	2	2	3	1	1	2	1	1	1
84	1	1	1	0	1	0	0	0	1
84.5	1	2	1	1	0	1	0	0	0
85	1	1	2	0	0	0	0	0	0
85.5	1	1	1	0	0	0	0	0	0
86	1	1	0	1	0	0	0	0	1
86.5	1	1	1	1	1	0	1	1	0
87	0	1	0	1	1	1	1	1	0
87.5	1	1	1	1	1	1	0	0	0
88	2	1	1	3	0	0	1	1	0
88.5	1	0	2	1	0	0	1	0	0
89	2	1	1	1	0	1	1	0	0
89.5	2	2	1	1	1	0	0	1	0
90	0	0	0	0	0	0	0	0	0

	Average Luminance (cd/sq.m)
	0	45	90
55	684	427	256
65	116	116	116
75	568	379	379
85	563	1,125	0