Photopia | photometric reports
www.ltioptics.com
Number of Lamps | 2 |
Lumens per Lamp | 640 lm |
Total Input Lumens | 1280 lm |
Input Watts | 13.44 W |
Total Output Lumens | 1031.96 lm |
Efficiency | 80.62 % |
Efficacy | 76.78 lm/W |
0° - 180° Size | 0.97 ft |
90° - 270° Size | 0.83 ft |
Height | 0.29 ft |
Distribution | Semi-Direct |
Photometry Type | C |
Two luminaires, plane 0° | 0.98 |
Two luminaires, plane 90° | 1.32 |
Four luminaires | 1.1 |
0° - 180° | 81.38° |
90° - 270° | 102.09° |
|
0.00° |
30.00° |
60.00° |
90.00° |
120.00° |
150.00° |
180.00° |
0.00° |
292.36 |
292.36 |
292.36 |
292.36 |
292.36 |
292.36 |
292.36 |
5.00° |
329.91 |
323.02 |
313.78 |
291.40 |
276.54 |
261.91 |
253.96 |
10.00° |
358.82 |
353.41 |
326.98 |
290.45 |
260.26 |
243.32 |
238.89 |
15.00° |
385.06 |
373.57 |
338.26 |
291.07 |
249.18 |
223.65 |
217.94 |
20.00° |
387.51 |
384.29 |
343.88 |
283.08 |
233.11 |
208.17 |
199.61 |
25.00° |
234.52 |
308.02 |
343.85 |
273.89 |
217.18 |
189.33 |
181.29 |
30.00° |
75.27 |
180.51 |
315.07 |
262.82 |
203.27 |
173.24 |
161.87 |
35.00° |
11.15 |
59.82 |
256.58 |
248.53 |
191.03 |
164.50 |
151.49 |
40.00° |
4.21 |
11.94 |
186.95 |
235.45 |
187.33 |
166.54 |
154.79 |
45.00° |
0.57 |
4.62 |
114.20 |
220.27 |
190.19 |
175.03 |
165.18 |
50.00° |
0.01 |
1.77 |
67.36 |
198.76 |
189.74 |
184.00 |
179.84 |
55.00° |
0.00 |
0.38 |
37.14 |
174.86 |
186.25 |
197.31 |
193.52 |
60.00° |
0.00 |
0.05 |
16.17 |
153.02 |
179.45 |
209.87 |
205.29 |
65.00° |
0.00 |
0.00 |
4.21 |
131.33 |
168.93 |
220.60 |
214.75 |
70.00° |
0.00 |
0.00 |
1.17 |
101.97 |
152.45 |
213.80 |
223.46 |
75.00° |
0.00 |
0.00 |
0.56 |
73.92 |
133.39 |
209.34 |
220.68 |
80.00° |
0.00 |
0.00 |
0.21 |
50.66 |
114.13 |
202.99 |
221.81 |
85.00° |
0.00 |
0.00 |
0.06 |
32.78 |
95.41 |
192.18 |
214.01 |
90.00° |
0.00 |
0.00 |
0.01 |
19.00 |
80.01 |
176.57 |
205.04 |
95.00° |
0.00 |
0.00 |
0.00 |
9.29 |
68.18 |
168.69 |
196.29 |
100.00° |
0.00 |
0.00 |
0.00 |
3.69 |
57.48 |
156.30 |
186.10 |
105.00° |
0.00 |
0.00 |
0.00 |
1.83 |
48.02 |
144.82 |
174.86 |
110.00° |
0.00 |
0.00 |
0.00 |
1.21 |
40.03 |
129.18 |
162.27 |
115.00° |
0.00 |
0.00 |
0.00 |
1.25 |
31.39 |
112.26 |
147.36 |
120.00° |
0.00 |
0.00 |
0.02 |
1.33 |
24.64 |
96.80 |
133.00 |
125.00° |
0.00 |
0.00 |
0.06 |
1.69 |
19.02 |
83.30 |
116.67 |
130.00° |
0.00 |
0.00 |
0.09 |
2.41 |
16.44 |
71.65 |
101.48 |
135.00° |
0.00 |
0.00 |
0.21 |
3.60 |
14.76 |
61.38 |
88.51 |
140.00° |
0.00 |
0.00 |
0.33 |
5.62 |
14.42 |
54.61 |
77.16 |
145.00° |
0.01 |
0.01 |
0.62 |
8.68 |
15.20 |
48.89 |
67.96 |
150.00° |
0.02 |
0.05 |
1.49 |
12.33 |
17.02 |
44.19 |
60.62 |
155.00° |
0.03 |
0.12 |
2.40 |
16.77 |
21.76 |
42.45 |
53.18 |
160.00° |
0.10 |
0.29 |
3.51 |
19.83 |
28.91 |
41.08 |
48.26 |
165.00° |
0.35 |
1.00 |
4.15 |
19.39 |
34.75 |
42.74 |
47.45 |
170.00° |
1.78 |
2.14 |
3.36 |
16.59 |
34.81 |
45.12 |
47.98 |
175.00° |
1.67 |
1.95 |
2.59 |
11.21 |
26.08 |
37.81 |
40.78 |
180.00° |
9.52 |
9.52 |
9.52 |
9.52 |
9.52 |
9.52 |
9.52 |
Zone |
Lumens |
% Fixture |
0° - 10° |
29.82 |
2.89% |
10° - 20° |
83.37 |
8.08% |
20° - 30° |
115.37 |
11.18% |
30° - 40° |
106.60 |
10.33% |
40° - 50° |
101.93 |
9.88% |
50° - 60° |
103.59 |
10.04% |
60° - 70° |
103.46 |
10.03% |
70° - 80° |
93.04 |
9.02% |
80° - 90° |
77.71 |
7.53% |
90° - 100° |
62.57 |
6.06% |
100° - 110° |
49.66 |
4.81% |
110° - 120° |
36.38 |
3.53% |
120° - 130° |
24.59 |
2.38% |
130° - 140° |
16.30 |
1.58% |
140° - 150° |
11.37 |
1.10% |
150° - 160° |
8.50 |
0.82% |
160° - 170° |
5.82 |
0.56% |
170° - 180° |
1.87 |
0.18% |
0° - 90° |
814.89 |
78.97% |
90° - 180° |
217.07 |
21.03% |
0° - 180° |
1031.96 |
100.00% |
Values are lumens delivered to the workplane from a single luminaire
|
ρfc |
20% |
20% |
20% |
20% |
20% |
20% |
20% |
20% |
20% |
20% |
20% |
20% |
20% |
20% |
20% |
20% |
20% |
0% |
|
ρcc |
80% |
80% |
80% |
80% |
70% |
70% |
70% |
70% |
50% |
50% |
50% |
30% |
30% |
30% |
10% |
10% |
10% |
0% |
|
ρw |
70% |
50% |
30% |
10% |
70% |
50% |
30% |
10% |
50% |
30% |
10% |
50% |
30% |
10% |
50% |
30% |
10% |
30% |
|
0 |
1177 |
1177 |
1177 |
1177 |
1124 |
1124 |
1124 |
1124 |
1026 |
1026 |
1026 |
936 |
936 |
936 |
854 |
854 |
854 |
815 |
|
1 |
1045 |
985 |
931 |
883 |
993 |
940 |
892 |
848 |
855 |
817 |
781 |
778 |
747 |
719 |
706 |
682 |
660 |
649 |
|
2 |
943 |
849 |
771 |
705 |
895 |
810 |
740 |
680 |
738 |
680 |
631 |
671 |
625 |
584 |
609 |
573 |
540 |
543 |
|
3 |
858 |
743 |
653 |
582 |
813 |
710 |
628 |
563 |
647 |
580 |
525 |
590 |
535 |
489 |
536 |
492 |
454 |
467 |
|
4 |
786 |
658 |
564 |
492 |
745 |
629 |
544 |
477 |
576 |
504 |
447 |
526 |
466 |
418 |
480 |
431 |
390 |
409 |
RCR |
5 |
723 |
588 |
494 |
425 |
686 |
564 |
477 |
412 |
517 |
444 |
388 |
474 |
413 |
364 |
434 |
382 |
341 |
363 |
|
6 |
669 |
531 |
438 |
372 |
635 |
510 |
424 |
361 |
469 |
396 |
341 |
431 |
369 |
322 |
396 |
343 |
302 |
327 |
|
7 |
622 |
483 |
392 |
329 |
591 |
464 |
380 |
321 |
428 |
356 |
304 |
395 |
333 |
287 |
364 |
311 |
271 |
297 |
|
8 |
580 |
441 |
354 |
295 |
551 |
425 |
344 |
288 |
394 |
323 |
273 |
364 |
303 |
259 |
337 |
284 |
245 |
272 |
|
9 |
542 |
406 |
323 |
266 |
517 |
392 |
313 |
260 |
364 |
295 |
248 |
338 |
278 |
235 |
313 |
261 |
223 |
250 |
|
10 |
509 |
375 |
295 |
242 |
486 |
363 |
287 |
237 |
338 |
272 |
226 |
314 |
256 |
215 |
292 |
242 |
205 |
232 |
Mtg Height |
Light Level |
Beam Diameter |
6.0 ft |
8.1 fc |
10.4 ft |
8.0 ft |
4.6 fc |
13.8 ft |
10.0 ft |
2.9 fc |
17.3 ft |
12.0 ft |
2.0 fc |
20.8 ft |
14.0 ft |
1.5 fc |
24.2 ft |
16.0 ft |
1.1 fc |
27.7 ft |
Corrected UGR values based on total output energy
SHR = 1.0
Ceiling reflectance | 0.7 |
0.7 |
0.5 |
0.5 |
0.3 |
0.7 |
0.7 |
0.5 |
0.5 |
0.3 |
Wall reflectance | 0.5 |
0.3 |
0.5 |
0.3 |
0.3 |
0.5 |
0.3 |
0.5 |
0.3 |
0.3 |
Plane reflectance | 0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
Room dimensions |
Viewed crosswise |
Viewed endwise |
2H |
2H |
-35.5 | -34.2 | -34.8 | -33.5 | -32.7 | 15.0 | 16.3 | 15.6 | 16.9 | 17.7 |
3H |
-35.6 | -34.5 | -35.0 | -33.8 | -33.0 | 17.0 | 18.2 | 17.6 | 18.8 | 19.7 |
4H |
-35.7 | -34.6 | -35.1 | -33.9 | -33.1 | 17.7 | 18.8 | 18.4 | 19.5 | 20.3 |
6H |
-35.8 | -34.8 | -35.1 | -34.1 | -33.2 | 18.2 | 19.2 | 18.9 | 19.9 | 20.8 |
8H |
-35.9 | -34.9 | -35.2 | -34.1 | -33.3 | 18.4 | 19.4 | 19.1 | 20.1 | 20.9 |
12H |
-35.9 | -34.9 | -35.2 | -34.2 | -33.4 | 18.5 | 19.5 | 19.2 | 20.2 | 21.1 |
4H |
2H |
-18.4 | -17.3 | -17.7 | -16.6 | -15.7 | 16.1 | 17.2 | 16.8 | 17.9 | 18.7 |
3H |
-18.5 | -17.6 | -17.8 | -16.8 | -16.0 | 18.3 | 19.3 | 19.0 | 20.0 | 20.9 |
4H |
-18.6 | -17.7 | -17.9 | -17.0 | -16.1 | 19.2 | 20.1 | 19.9 | 20.8 | 21.7 |
6H |
-18.7 | -17.9 | -18.0 | -17.2 | -16.3 | 19.9 | 20.7 | 20.6 | 21.5 | 22.3 |
8H |
-18.8 | -18.0 | -18.0 | -17.3 | -16.4 | 20.2 | 20.9 | 20.9 | 21.7 | 22.6 |
12H |
-18.8 | -18.1 | -18.0 | -17.3 | -16.4 | 20.4 | 21.0 | 21.1 | 21.8 | 22.7 |
8H |
4H |
-10.4 | -9.7 | -9.7 | -8.9 | -8.0 | 20.2 | 20.9 | 20.9 | 21.7 | 22.6 |
6H |
-10.5 | -9.9 | -9.8 | -9.1 | -8.2 | 21.1 | 21.8 | 21.9 | 22.6 | 23.5 |
8H |
-10.6 | -10.0 | -9.8 | -9.2 | -8.3 | 21.5 | 22.1 | 22.3 | 22.9 | 23.8 |
12H |
-10.6 | -10.1 | -9.8 | -9.3 | -8.3 | 21.8 | 22.4 | 22.6 | 23.1 | 24.1 |
12H |
4H |
-7.4 | -6.8 | -6.7 | -6.0 | -5.1 | 20.5 | 21.2 | 21.2 | 21.9 | 22.8 |
6H |
-7.5 | -7.0 | -6.8 | -6.2 | -5.2 | 21.6 | 22.2 | 22.4 | 22.9 | 23.9 |
8H |
-7.6 | -7.1 | -6.8 | -6.3 | -5.3 | 22.1 | 22.6 | 22.9 | 23.4 | 24.4 |
|
0.00° |
45.00° |
90.00° |
0.00° |
3884 |
3884 |
3884 |
45.00° |
8 |
765 |
3065 |
55.00° |
0 |
262 |
2700 |
65.00° |
0 |
33 |
2358 |
75.00° |
0 |
5 |
1645 |
85.00° |
0 |
1 |
999 |