Photopia | photometric reports
www.ltioptics.com
| Number of Lamps | 180 |
| Luminous flux per Lamp | 40.18 lm Direct | 20.64 lm Indirect |
| Total Input Luminous flux | 5473.8 lm |
| Input Watts | 52.16 W |
| Total Output Luminous flux | 3401.91 lm |
| Efficiency | 52.15 % |
| Efficacy | 65.22 lm/W |
| 0° - 180° Size | 0.05 m |
| 90° - 270° Size | 1.16 m |
| Height | 0.1 m |
| Distribution | Semi-Direct |
| Photometry Type | C |
| Two luminaires, plane 0° | 1.19 |
| Two luminaires, plane 90° | 1.24 |
| Four luminaires | 1.34 |
| 0° - 180° | 105.7° |
| 90° - 270° | 111.77° |
|
0.00° |
5.00° |
10.00° |
15.00° |
20.00° |
25.00° |
30.00° |
35.00° |
40.00° |
45.00° |
50.00° |
55.00° |
60.00° |
65.00° |
70.00° |
75.00° |
80.00° |
85.00° |
90.00° |
| 0.00° |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
833.59 |
| 5.00° |
822.07 |
821.95 |
819.95 |
823.92 |
829.33 |
828.34 |
815.52 |
831.47 |
837.44 |
830.47 |
830.36 |
835.30 |
840.16 |
822.25 |
821.43 |
830.81 |
832.11 |
824.15 |
835.17 |
| 10.00° |
804.80 |
815.06 |
812.28 |
808.23 |
816.20 |
808.12 |
814.95 |
802.92 |
804.52 |
813.91 |
810.46 |
811.42 |
820.02 |
813.43 |
814.14 |
825.09 |
815.21 |
809.15 |
816.42 |
| 15.00° |
799.61 |
795.46 |
787.98 |
792.35 |
790.86 |
791.76 |
784.42 |
791.81 |
787.35 |
791.97 |
789.10 |
794.15 |
797.48 |
795.26 |
795.01 |
799.97 |
800.40 |
799.84 |
794.18 |
| 20.00° |
754.87 |
765.51 |
756.96 |
751.59 |
757.73 |
760.78 |
766.18 |
756.27 |
761.20 |
766.65 |
756.86 |
765.59 |
765.97 |
765.99 |
770.73 |
766.38 |
765.89 |
769.32 |
766.64 |
| 25.00° |
707.71 |
713.34 |
710.49 |
714.01 |
722.11 |
719.94 |
721.80 |
720.78 |
721.28 |
724.91 |
725.29 |
726.24 |
730.41 |
731.87 |
729.23 |
730.50 |
736.60 |
734.73 |
728.93 |
| 30.00° |
668.45 |
669.44 |
669.07 |
669.90 |
675.71 |
674.23 |
678.93 |
674.19 |
675.93 |
684.62 |
683.96 |
681.64 |
690.21 |
690.50 |
690.35 |
694.62 |
687.39 |
690.26 |
695.15 |
| 35.00° |
620.40 |
621.17 |
616.94 |
620.99 |
623.57 |
621.36 |
625.43 |
631.33 |
630.39 |
636.14 |
637.48 |
639.17 |
647.27 |
641.22 |
643.76 |
647.36 |
649.54 |
653.84 |
654.70 |
| 40.00° |
567.90 |
570.09 |
569.35 |
569.77 |
564.93 |
573.97 |
575.89 |
575.96 |
578.34 |
583.93 |
589.66 |
587.64 |
594.70 |
589.95 |
601.43 |
596.53 |
597.37 |
602.88 |
598.51 |
| 45.00° |
512.59 |
511.68 |
513.22 |
516.40 |
514.78 |
517.33 |
518.97 |
523.42 |
526.85 |
531.32 |
533.49 |
534.89 |
540.45 |
543.72 |
543.66 |
546.36 |
548.51 |
547.99 |
550.47 |
| 50.00° |
458.01 |
454.04 |
457.10 |
456.47 |
459.75 |
460.72 |
462.87 |
466.55 |
469.63 |
473.62 |
478.27 |
479.92 |
481.00 |
484.10 |
487.22 |
485.41 |
491.55 |
490.39 |
492.33 |
| 55.00° |
391.48 |
391.27 |
393.90 |
393.31 |
393.58 |
396.99 |
401.00 |
407.57 |
406.83 |
408.42 |
414.36 |
418.31 |
421.34 |
425.31 |
430.69 |
427.88 |
430.13 |
432.25 |
432.00 |
| 60.00° |
321.86 |
322.22 |
327.85 |
328.07 |
330.28 |
334.57 |
339.38 |
342.14 |
345.33 |
351.65 |
351.94 |
357.36 |
358.32 |
360.51 |
363.56 |
362.41 |
365.97 |
365.13 |
364.60 |
| 65.00° |
259.53 |
260.28 |
258.89 |
260.95 |
264.63 |
267.36 |
271.39 |
274.10 |
277.77 |
281.07 |
287.47 |
290.74 |
292.27 |
296.33 |
300.09 |
298.44 |
300.07 |
299.66 |
300.30 |
| 70.00° |
191.90 |
192.42 |
190.84 |
194.83 |
196.52 |
200.45 |
203.29 |
205.57 |
210.69 |
215.00 |
221.27 |
222.04 |
225.85 |
228.78 |
230.41 |
233.09 |
232.07 |
236.20 |
234.05 |
| 75.00° |
127.84 |
127.02 |
127.23 |
128.53 |
133.15 |
136.16 |
137.70 |
140.51 |
143.80 |
148.80 |
151.68 |
153.51 |
158.92 |
162.14 |
163.54 |
166.62 |
167.71 |
168.19 |
168.57 |
| 80.00° |
69.69 |
68.95 |
70.73 |
71.94 |
72.77 |
74.73 |
76.81 |
80.38 |
83.99 |
85.57 |
90.09 |
94.10 |
98.00 |
102.85 |
105.55 |
107.53 |
108.45 |
110.04 |
108.16 |
| 85.00° |
15.64 |
15.51 |
16.10 |
16.20 |
16.87 |
18.55 |
19.47 |
21.83 |
23.79 |
26.30 |
29.85 |
32.89 |
37.24 |
41.79 |
44.21 |
48.80 |
52.64 |
53.81 |
53.92 |
| 90.00° |
0.95 |
0.94 |
0.93 |
0.78 |
0.84 |
0.80 |
0.79 |
0.77 |
0.75 |
0.81 |
0.83 |
0.80 |
0.92 |
1.26 |
1.81 |
2.87 |
4.41 |
6.20 |
7.21 |
| 95.00° |
8.38 |
8.25 |
7.81 |
8.25 |
8.72 |
9.16 |
10.00 |
11.23 |
11.92 |
12.84 |
14.67 |
16.09 |
18.25 |
19.92 |
21.42 |
23.11 |
24.52 |
24.37 |
23.31 |
| 100.00° |
33.53 |
34.20 |
34.78 |
35.83 |
35.87 |
37.29 |
38.16 |
38.99 |
41.06 |
42.28 |
44.82 |
46.69 |
47.71 |
49.51 |
50.48 |
51.77 |
51.55 |
50.30 |
49.49 |
| 105.00° |
63.41 |
62.61 |
63.85 |
65.55 |
65.37 |
66.05 |
67.99 |
69.22 |
72.32 |
72.44 |
75.17 |
75.81 |
78.59 |
79.71 |
79.18 |
81.06 |
79.62 |
79.07 |
78.31 |
| 110.00° |
94.87 |
94.77 |
95.45 |
96.35 |
98.13 |
98.16 |
100.86 |
101.75 |
103.43 |
106.21 |
107.50 |
109.01 |
111.18 |
111.05 |
111.21 |
112.31 |
109.24 |
111.06 |
108.32 |
| 115.00° |
130.41 |
128.48 |
126.89 |
127.19 |
129.65 |
131.58 |
134.06 |
135.82 |
137.02 |
138.65 |
141.46 |
143.17 |
141.33 |
143.56 |
140.40 |
144.78 |
143.03 |
142.34 |
140.49 |
| 120.00° |
162.30 |
158.84 |
162.19 |
161.29 |
163.22 |
165.10 |
165.50 |
167.50 |
169.71 |
171.40 |
172.69 |
173.49 |
175.23 |
174.19 |
174.85 |
176.05 |
174.26 |
175.55 |
171.05 |
| 125.00° |
195.59 |
192.22 |
195.39 |
194.01 |
195.26 |
199.26 |
195.68 |
200.49 |
199.63 |
200.91 |
202.98 |
203.66 |
205.28 |
205.32 |
205.48 |
206.54 |
208.24 |
205.53 |
203.10 |
| 130.00° |
225.91 |
222.62 |
224.71 |
222.80 |
222.83 |
226.09 |
226.50 |
227.44 |
229.01 |
230.89 |
232.79 |
234.30 |
235.90 |
236.89 |
239.78 |
238.04 |
240.03 |
237.14 |
229.64 |
| 135.00° |
253.75 |
255.74 |
252.53 |
250.96 |
252.89 |
256.04 |
257.15 |
258.00 |
259.02 |
261.11 |
260.19 |
261.85 |
262.73 |
262.21 |
266.33 |
267.17 |
263.20 |
264.54 |
258.56 |
| 140.00° |
284.86 |
279.36 |
281.74 |
280.48 |
280.43 |
284.14 |
282.53 |
286.07 |
287.25 |
286.65 |
288.21 |
288.66 |
291.65 |
291.85 |
292.15 |
289.69 |
290.53 |
289.35 |
282.94 |
| 145.00° |
303.04 |
305.99 |
303.91 |
304.12 |
305.38 |
310.37 |
306.20 |
308.92 |
309.39 |
314.62 |
313.23 |
311.56 |
315.29 |
314.46 |
315.01 |
316.17 |
314.52 |
315.51 |
305.20 |
| 150.00° |
328.98 |
330.07 |
332.33 |
331.16 |
332.06 |
329.88 |
333.62 |
334.30 |
335.35 |
330.56 |
335.73 |
336.75 |
338.65 |
340.52 |
338.07 |
340.48 |
336.95 |
332.84 |
328.69 |
| 155.00° |
351.40 |
352.31 |
349.22 |
355.48 |
354.27 |
356.42 |
354.55 |
354.46 |
357.92 |
356.92 |
355.32 |
360.82 |
354.89 |
357.18 |
359.44 |
360.77 |
358.31 |
358.55 |
352.28 |
| 160.00° |
376.97 |
372.34 |
371.34 |
375.02 |
374.13 |
372.92 |
374.79 |
374.11 |
373.47 |
375.86 |
374.52 |
376.83 |
374.97 |
378.38 |
381.05 |
380.49 |
373.54 |
378.66 |
375.18 |
| 165.00° |
392.93 |
383.98 |
384.76 |
386.76 |
390.03 |
384.58 |
386.62 |
390.52 |
391.70 |
389.41 |
385.47 |
400.10 |
389.20 |
396.37 |
391.70 |
383.77 |
385.54 |
385.27 |
390.27 |
| 170.00° |
403.53 |
398.18 |
402.37 |
400.45 |
398.82 |
404.49 |
398.26 |
392.83 |
401.89 |
399.31 |
397.77 |
400.92 |
399.90 |
400.83 |
404.23 |
397.95 |
400.95 |
392.38 |
401.37 |
| 175.00° |
416.23 |
412.86 |
406.29 |
401.42 |
407.15 |
411.19 |
409.23 |
407.91 |
406.54 |
402.97 |
409.93 |
399.59 |
406.81 |
409.05 |
407.37 |
405.79 |
408.97 |
404.07 |
403.59 |
| 180.00° |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
410.56 |
| Zone |
Lumens |
% Fixture |
| 0° - 10° |
83.21 |
2.45% |
| 10° - 20° |
222.74 |
6.55% |
| 20° - 30° |
332.57 |
9.78% |
| 30° - 40° |
395.72 |
11.63% |
| 40° - 50° |
407.64 |
11.98% |
| 50° - 60° |
366.43 |
10.77% |
| 60° - 70° |
277.22 |
8.15% |
| 70° - 80° |
157.32 |
4.62% |
| 80° - 90° |
41.03 |
1.21% |
| 90° - 100° |
20.13 |
0.59% |
| 100° - 110° |
76.85 |
2.26% |
| 110° - 120° |
135.10 |
3.97% |
| 120° - 130° |
178.84 |
5.26% |
| 130° - 140° |
199.43 |
5.86% |
| 140° - 150° |
193.88 |
5.70% |
| 150° - 160° |
163.49 |
4.81% |
| 160° - 170° |
109.37 |
3.21% |
| 170° - 180° |
40.92 |
1.20% |
| 0° - 90° |
2283.89 |
67.14% |
| 90° - 180° |
1118.01 |
32.86% |
| 0° - 180° |
3401.91 |
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 |
3784 |
3784 |
3784 |
3784 |
3566 |
3566 |
3566 |
3566 |
3159 |
3159 |
3159 |
2786 |
2786 |
2786 |
2445 |
2445 |
2445 |
2284 |
|
1 |
3453 |
3299 |
3162 |
3038 |
3248 |
3114 |
2993 |
2884 |
2767 |
2675 |
2591 |
2448 |
2379 |
2316 |
2155 |
2104 |
2057 |
1964 |
|
2 |
3140 |
2877 |
2659 |
2476 |
2949 |
2718 |
2525 |
2361 |
2419 |
2269 |
2139 |
2144 |
2028 |
1927 |
1890 |
1802 |
1724 |
1681 |
|
3 |
2862 |
2526 |
2265 |
2057 |
2686 |
2388 |
2155 |
1968 |
2130 |
1945 |
1793 |
1892 |
1746 |
1625 |
1670 |
1558 |
1462 |
1453 |
|
4 |
2618 |
2234 |
1954 |
1739 |
2456 |
2116 |
1863 |
1667 |
1892 |
1688 |
1526 |
1683 |
1521 |
1389 |
1490 |
1362 |
1256 |
1271 |
| RCR |
5 |
2404 |
1992 |
1704 |
1491 |
2255 |
1888 |
1627 |
1432 |
1693 |
1480 |
1316 |
1511 |
1338 |
1203 |
1340 |
1203 |
1092 |
1124 |
|
6 |
2216 |
1788 |
1501 |
1295 |
2080 |
1698 |
1436 |
1246 |
1526 |
1310 |
1149 |
1365 |
1189 |
1054 |
1215 |
1072 |
960 |
1003 |
|
7 |
2050 |
1616 |
1334 |
1137 |
1926 |
1536 |
1278 |
1095 |
1385 |
1170 |
1013 |
1243 |
1065 |
932 |
1109 |
964 |
852 |
903 |
|
8 |
1904 |
1469 |
1195 |
1007 |
1791 |
1399 |
1147 |
972 |
1264 |
1052 |
901 |
1138 |
961 |
832 |
1019 |
873 |
763 |
820 |
|
9 |
1775 |
1343 |
1079 |
900 |
1671 |
1281 |
1036 |
869 |
1161 |
954 |
809 |
1047 |
873 |
748 |
941 |
796 |
689 |
749 |
|
10 |
1661 |
1235 |
980 |
811 |
1565 |
1179 |
943 |
784 |
1071 |
870 |
731 |
969 |
799 |
678 |
873 |
730 |
626 |
688 |
| Mtg Height |
Light Level |
Beam Diameter |
| 2.0 m |
208.4 lx |
5.3 m |
| 2.5 m |
133.4 lx |
6.6 m |
| 3.0 m |
92.6 lx |
7.9 m |
| 3.5 m |
68.0 lx |
9.2 m |
| 4.0 m |
52.1 lx |
10.6 m |
| 4.5 m |
41.2 lx |
11.9 m |
| 5.0 m |
33.3 lx |
13.2 m |
| 5.5 m |
27.6 lx |
14.5 m |
| 6.0 m |
23.2 lx |
15.8 m |
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 |
15.5 | 16.6 | 16.3 | 17.4 | 18.4 | 13.9 | 15.0 | 14.7 | 15.8 | 16.8 |
| 3H |
17.0 | 18.0 | 17.9 | 18.8 | 19.9 | 15.2 | 16.2 | 16.0 | 17.0 | 18.0 |
| 4H |
17.6 | 18.4 | 18.4 | 19.3 | 20.3 | 15.6 | 16.5 | 16.4 | 17.4 | 18.4 |
| 6H |
17.9 | 18.7 | 18.7 | 19.5 | 20.6 | 15.9 | 16.7 | 16.7 | 17.5 | 18.6 |
| 8H |
17.9 | 18.7 | 18.7 | 19.6 | 20.6 | 15.9 | 16.7 | 16.8 | 17.6 | 18.6 |
| 12H |
17.9 | 18.6 | 18.7 | 19.5 | 20.6 | 15.9 | 16.7 | 16.8 | 17.5 | 18.6 |
| 4H |
2H |
15.7 | 16.6 | 16.6 | 17.5 | 18.5 | 14.4 | 15.3 | 15.2 | 16.1 | 17.2 |
| 3H |
17.4 | 18.2 | 18.3 | 19.0 | 20.1 | 15.9 | 16.6 | 16.7 | 17.5 | 18.6 |
| 4H |
18.0 | 18.7 | 18.8 | 19.5 | 20.6 | 16.4 | 17.1 | 17.2 | 17.9 | 19.0 |
| 6H |
18.4 | 18.9 | 19.2 | 19.8 | 20.9 | 16.7 | 17.3 | 17.6 | 18.2 | 19.3 |
| 8H |
18.4 | 19.0 | 19.3 | 19.9 | 21.0 | 16.8 | 17.4 | 17.7 | 18.2 | 19.3 |
| 12H |
18.4 | 18.9 | 19.3 | 19.8 | 20.9 | 16.8 | 17.3 | 17.7 | 18.2 | 19.3 |
| 8H |
4H |
18.0 | 18.6 | 18.9 | 19.5 | 20.6 | 16.5 | 17.1 | 17.4 | 18.0 | 19.1 |
| 6H |
18.4 | 18.9 | 19.3 | 19.8 | 20.9 | 17.0 | 17.4 | 17.8 | 18.3 | 19.4 |
| 8H |
18.5 | 18.9 | 19.4 | 19.9 | 21.0 | 17.1 | 17.5 | 18.0 | 18.4 | 19.5 |
| 12H |
18.5 | 18.9 | 19.5 | 19.8 | 21.0 | 17.1 | 17.5 | 18.1 | 18.4 | 19.6 |
| 12H |
4H |
18.0 | 18.5 | 18.9 | 19.4 | 20.5 | 16.5 | 17.0 | 17.4 | 17.9 | 19.0 |
| 6H |
18.4 | 18.8 | 19.3 | 19.7 | 20.9 | 16.9 | 17.4 | 17.9 | 18.3 | 19.4 |
| 8H |
18.5 | 18.9 | 19.4 | 19.8 | 21.0 | 17.1 | 17.4 | 18.0 | 18.4 | 19.5 |
|
0.00° |
45.00° |
90.00° |
| 0.00° |
14156 |
14156 |
14156 |
| 45.00° |
4112 |
5162 |
12152 |
| 55.00° |
3012 |
3898 |
11364 |
| 65.00° |
1977 |
2717 |
10153 |
| 75.00° |
994 |
1503 |
8328 |
| 85.00° |
128 |
287 |
5241 |