Photopia | photometric reports
www.ltioptics.com
Number of Lamps | 3 |
Luminous flux per Lamp | 640 lm |
Total Input Luminous flux | 1920 lm |
Input Watts | 22.69 W |
Total Output Luminous flux | 487.25 lm |
Efficiency | 25.38 % |
Efficacy | 21.47 lm/W |
0° - 180° Size | 0.54 m |
90° - 270° Size | 0.54 m |
Height | 0.38 m |
Distribution | Semi-Direct |
Photometry Type | C |
Two luminaires, plane 0° | 0.37 |
Two luminaires, plane 90° | 0.33 |
Four luminaires | 0.46 |
0° - 180° | 21.19° |
90° - 270° | 20.61° |
|
0.00° |
15.00° |
30.00° |
45.00° |
60.00° |
75.00° |
90.00° |
105.00° |
120.00° |
135.00° |
150.00° |
165.00° |
180.00° |
0.00° |
449.98 |
449.98 |
449.98 |
449.98 |
449.98 |
449.98 |
449.98 |
449.98 |
449.98 |
449.98 |
449.98 |
449.98 |
449.98 |
2.50° |
407.78 |
398.91 |
387.91 |
373.89 |
369.64 |
379.11 |
396.10 |
399.31 |
403.86 |
406.44 |
395.38 |
366.59 |
376.03 |
5.00° |
378.11 |
373.46 |
344.92 |
295.10 |
275.73 |
297.08 |
343.53 |
373.67 |
373.53 |
371.21 |
349.38 |
295.57 |
272.60 |
7.50° |
347.43 |
316.87 |
266.13 |
248.14 |
238.71 |
242.10 |
263.41 |
308.40 |
349.07 |
306.08 |
270.69 |
241.28 |
237.69 |
10.00° |
260.69 |
241.16 |
224.16 |
225.74 |
220.23 |
225.75 |
226.49 |
240.30 |
268.66 |
241.77 |
226.50 |
226.88 |
226.70 |
12.50° |
159.79 |
207.36 |
216.09 |
216.44 |
210.32 |
215.48 |
214.27 |
209.24 |
162.90 |
205.23 |
212.22 |
210.11 |
212.63 |
15.00° |
98.83 |
171.15 |
199.10 |
204.67 |
203.93 |
205.08 |
201.53 |
172.20 |
101.57 |
170.95 |
199.26 |
207.30 |
206.28 |
17.50° |
67.14 |
98.77 |
158.65 |
190.31 |
190.19 |
187.44 |
157.55 |
99.63 |
68.12 |
98.65 |
159.77 |
188.83 |
190.97 |
20.00° |
60.29 |
60.14 |
80.54 |
140.14 |
130.57 |
141.45 |
80.50 |
58.44 |
60.10 |
59.97 |
79.62 |
139.69 |
135.04 |
22.50° |
59.84 |
55.65 |
50.87 |
54.44 |
48.19 |
54.73 |
50.39 |
56.53 |
59.66 |
56.92 |
51.87 |
55.06 |
48.69 |
25.00° |
63.29 |
58.88 |
49.14 |
40.47 |
39.16 |
40.53 |
48.00 |
58.64 |
62.60 |
58.66 |
47.65 |
41.16 |
39.19 |
27.50° |
69.80 |
62.90 |
49.64 |
41.39 |
40.27 |
42.14 |
49.51 |
62.32 |
68.85 |
61.22 |
50.62 |
41.36 |
40.04 |
30.00° |
73.20 |
66.04 |
51.28 |
43.67 |
43.05 |
43.15 |
51.78 |
66.13 |
72.58 |
65.19 |
51.53 |
42.89 |
42.73 |
32.50° |
76.46 |
69.59 |
52.43 |
44.12 |
44.70 |
44.76 |
52.52 |
69.01 |
76.97 |
69.00 |
52.56 |
44.93 |
43.81 |
35.00° |
77.07 |
69.98 |
52.63 |
45.36 |
46.04 |
44.83 |
52.34 |
69.20 |
78.45 |
70.22 |
52.42 |
45.54 |
46.02 |
37.50° |
78.78 |
69.99 |
53.45 |
45.22 |
46.81 |
45.55 |
52.65 |
70.77 |
77.10 |
70.73 |
52.05 |
45.43 |
46.74 |
40.00° |
77.02 |
70.41 |
52.66 |
45.91 |
46.82 |
45.23 |
53.12 |
69.94 |
76.49 |
71.12 |
53.39 |
45.88 |
46.47 |
42.50° |
75.52 |
69.12 |
53.04 |
45.31 |
46.32 |
45.65 |
52.11 |
68.82 |
75.13 |
68.15 |
52.75 |
44.89 |
47.02 |
45.00° |
72.28 |
67.65 |
51.83 |
44.19 |
45.57 |
44.72 |
52.39 |
67.87 |
72.64 |
66.95 |
52.70 |
44.36 |
45.84 |
47.50° |
72.12 |
66.98 |
51.37 |
44.31 |
44.39 |
43.77 |
52.42 |
66.29 |
71.36 |
66.46 |
52.01 |
44.15 |
44.90 |
50.00° |
68.63 |
63.88 |
50.74 |
41.79 |
42.82 |
42.25 |
51.20 |
63.98 |
68.39 |
63.69 |
50.63 |
42.05 |
42.25 |
52.50° |
66.91 |
61.66 |
50.07 |
41.28 |
40.80 |
40.90 |
50.05 |
61.96 |
67.74 |
62.55 |
50.46 |
41.54 |
40.96 |
55.00° |
65.28 |
59.84 |
48.83 |
39.40 |
37.92 |
39.48 |
48.47 |
59.68 |
65.20 |
59.98 |
48.27 |
39.39 |
38.38 |
57.50° |
64.31 |
57.97 |
46.65 |
37.55 |
35.71 |
37.64 |
46.64 |
58.36 |
64.40 |
58.17 |
46.78 |
37.82 |
35.46 |
60.00° |
63.82 |
56.74 |
44.77 |
35.80 |
32.69 |
36.04 |
44.46 |
56.70 |
63.25 |
57.00 |
44.79 |
35.84 |
32.48 |
62.50° |
61.66 |
54.75 |
42.80 |
34.21 |
29.95 |
34.45 |
43.02 |
54.77 |
62.19 |
54.90 |
42.62 |
34.31 |
30.20 |
65.00° |
60.89 |
53.37 |
40.20 |
31.94 |
27.70 |
32.70 |
40.52 |
53.22 |
60.94 |
53.92 |
40.15 |
32.04 |
27.77 |
67.50° |
60.26 |
52.11 |
37.38 |
30.86 |
25.94 |
30.34 |
37.82 |
51.68 |
60.68 |
52.24 |
37.67 |
30.87 |
25.70 |
70.00° |
59.44 |
50.63 |
34.39 |
29.51 |
23.78 |
29.29 |
33.94 |
50.48 |
59.67 |
50.47 |
34.00 |
29.38 |
23.72 |
72.50° |
60.20 |
48.69 |
31.72 |
27.46 |
21.78 |
27.34 |
31.36 |
49.40 |
59.15 |
49.73 |
31.15 |
27.73 |
22.01 |
75.00° |
58.93 |
48.05 |
27.25 |
26.56 |
20.27 |
26.25 |
27.65 |
48.59 |
58.47 |
47.87 |
27.60 |
25.94 |
19.83 |
77.50° |
57.40 |
46.88 |
23.68 |
24.39 |
18.72 |
24.79 |
23.67 |
46.97 |
57.89 |
47.16 |
23.52 |
24.54 |
18.81 |
80.00° |
57.82 |
46.59 |
18.97 |
23.00 |
16.77 |
23.50 |
19.36 |
46.48 |
57.76 |
46.61 |
19.05 |
23.40 |
17.38 |
82.50° |
56.65 |
45.25 |
14.95 |
22.09 |
15.48 |
22.44 |
14.59 |
45.25 |
56.93 |
45.29 |
14.75 |
22.46 |
15.92 |
85.00° |
55.00 |
43.55 |
10.34 |
21.24 |
14.10 |
20.77 |
10.84 |
44.81 |
55.34 |
44.42 |
10.90 |
21.25 |
14.23 |
87.50° |
54.90 |
43.48 |
7.71 |
19.90 |
13.44 |
19.61 |
7.72 |
43.75 |
55.17 |
43.79 |
7.45 |
20.06 |
13.11 |
90.00° |
55.08 |
43.39 |
6.56 |
19.71 |
13.41 |
19.10 |
6.43 |
42.82 |
54.71 |
43.55 |
6.54 |
19.84 |
13.74 |
92.50° |
55.63 |
43.29 |
6.87 |
19.62 |
13.70 |
19.59 |
7.00 |
42.68 |
55.47 |
43.21 |
6.80 |
19.61 |
13.94 |
95.00° |
54.99 |
42.44 |
8.20 |
19.10 |
14.11 |
18.84 |
8.49 |
43.03 |
55.74 |
43.09 |
8.15 |
19.34 |
14.30 |
97.50° |
55.40 |
42.25 |
10.00 |
18.53 |
14.76 |
17.98 |
10.15 |
42.46 |
54.92 |
42.68 |
10.02 |
18.14 |
14.92 |
100.00° |
55.08 |
41.30 |
12.18 |
17.35 |
15.30 |
17.43 |
12.28 |
41.59 |
54.96 |
41.37 |
12.16 |
17.96 |
15.49 |
102.50° |
53.09 |
40.83 |
14.26 |
16.61 |
15.60 |
16.81 |
14.26 |
40.60 |
53.30 |
41.02 |
14.51 |
16.81 |
15.49 |
105.00° |
52.72 |
40.22 |
16.48 |
16.86 |
15.95 |
16.63 |
16.80 |
40.30 |
51.99 |
40.16 |
16.72 |
16.85 |
15.51 |
107.50° |
51.63 |
39.20 |
18.56 |
16.53 |
15.55 |
16.44 |
18.74 |
39.47 |
50.77 |
39.69 |
18.35 |
16.65 |
15.16 |
110.00° |
50.58 |
38.67 |
20.29 |
16.66 |
15.19 |
16.60 |
19.90 |
38.79 |
50.19 |
38.80 |
20.22 |
16.62 |
14.94 |
112.50° |
47.90 |
38.41 |
21.65 |
16.95 |
14.80 |
16.74 |
21.61 |
38.38 |
48.34 |
38.26 |
21.44 |
16.79 |
14.76 |
115.00° |
45.75 |
37.24 |
22.79 |
17.47 |
14.83 |
17.34 |
22.88 |
37.85 |
46.73 |
37.44 |
22.91 |
17.25 |
14.78 |
117.50° |
45.59 |
37.76 |
23.85 |
17.63 |
14.32 |
17.42 |
23.76 |
36.86 |
45.26 |
37.41 |
23.69 |
17.71 |
14.14 |
120.00° |
44.39 |
37.08 |
25.19 |
17.88 |
14.77 |
17.76 |
25.06 |
36.50 |
44.15 |
36.54 |
24.55 |
18.05 |
14.61 |
122.50° |
42.61 |
36.46 |
25.19 |
18.19 |
14.99 |
18.52 |
25.52 |
36.60 |
42.79 |
36.32 |
25.06 |
18.19 |
14.58 |
125.00° |
41.82 |
35.73 |
25.85 |
18.34 |
14.61 |
18.55 |
25.49 |
35.30 |
41.58 |
35.73 |
25.85 |
18.52 |
14.65 |
127.50° |
41.03 |
34.85 |
26.03 |
18.74 |
15.22 |
18.60 |
25.88 |
34.73 |
40.55 |
35.04 |
26.22 |
18.69 |
15.68 |
130.00° |
39.44 |
34.78 |
26.05 |
18.74 |
15.33 |
18.78 |
25.83 |
34.44 |
39.13 |
34.63 |
26.54 |
18.84 |
16.05 |
132.50° |
37.45 |
33.48 |
25.82 |
19.05 |
15.48 |
19.14 |
25.65 |
32.80 |
37.09 |
33.09 |
25.89 |
18.80 |
15.65 |
135.00° |
35.67 |
32.17 |
25.35 |
18.64 |
15.22 |
18.47 |
25.02 |
31.25 |
35.40 |
32.05 |
25.16 |
18.72 |
16.02 |
137.50° |
33.88 |
30.84 |
24.93 |
18.07 |
15.90 |
18.27 |
24.34 |
31.71 |
34.89 |
31.25 |
24.79 |
18.41 |
15.00 |
140.00° |
32.70 |
29.04 |
23.50 |
17.72 |
15.39 |
17.67 |
23.74 |
29.28 |
31.94 |
29.08 |
23.66 |
17.49 |
15.30 |
142.50° |
29.66 |
27.85 |
23.03 |
17.31 |
14.59 |
17.14 |
22.78 |
28.29 |
30.25 |
28.23 |
22.88 |
17.25 |
14.83 |
145.00° |
28.40 |
25.39 |
20.67 |
16.43 |
14.10 |
16.27 |
21.27 |
25.58 |
27.48 |
25.52 |
20.89 |
16.34 |
14.02 |
147.50° |
25.90 |
24.14 |
20.05 |
15.51 |
13.75 |
15.07 |
19.90 |
24.58 |
25.82 |
24.04 |
20.12 |
15.36 |
13.07 |
150.00° |
23.16 |
21.73 |
18.25 |
14.51 |
12.60 |
14.31 |
18.26 |
22.02 |
23.58 |
21.71 |
18.55 |
14.63 |
12.63 |
152.50° |
21.10 |
20.14 |
16.45 |
13.16 |
12.22 |
13.16 |
16.97 |
19.87 |
21.50 |
19.41 |
16.49 |
13.23 |
11.93 |
155.00° |
18.57 |
17.59 |
15.31 |
12.47 |
11.21 |
11.91 |
15.06 |
17.07 |
18.94 |
18.13 |
15.07 |
12.27 |
10.67 |
157.50° |
17.23 |
15.17 |
13.25 |
11.16 |
10.23 |
11.18 |
13.14 |
16.03 |
16.50 |
15.57 |
13.48 |
10.98 |
10.14 |
160.00° |
13.96 |
13.36 |
11.38 |
9.63 |
9.36 |
10.23 |
11.86 |
13.05 |
14.31 |
13.81 |
11.77 |
9.93 |
9.67 |
162.50° |
12.39 |
11.49 |
10.23 |
8.52 |
8.34 |
8.90 |
10.23 |
11.50 |
12.00 |
11.49 |
10.56 |
9.25 |
8.71 |
165.00° |
11.06 |
10.16 |
8.93 |
7.73 |
7.73 |
7.90 |
8.96 |
9.19 |
10.05 |
9.89 |
8.67 |
8.09 |
7.31 |
167.50° |
8.29 |
8.26 |
7.93 |
7.04 |
6.59 |
7.08 |
7.13 |
8.37 |
8.60 |
7.72 |
7.52 |
6.99 |
6.52 |
170.00° |
6.65 |
7.61 |
6.86 |
6.35 |
6.03 |
6.53 |
6.46 |
6.56 |
6.90 |
7.34 |
6.60 |
6.09 |
6.35 |
172.50° |
5.68 |
6.18 |
5.62 |
5.59 |
6.11 |
6.14 |
5.25 |
6.23 |
5.40 |
6.18 |
5.43 |
6.43 |
4.58 |
175.00° |
6.14 |
5.26 |
5.06 |
5.99 |
6.74 |
6.44 |
5.04 |
5.44 |
5.24 |
5.23 |
4.73 |
6.26 |
6.22 |
177.50° |
5.11 |
6.01 |
6.21 |
5.55 |
5.81 |
6.61 |
6.35 |
5.96 |
6.98 |
6.36 |
6.28 |
5.52 |
6.10 |
180.00° |
6.71 |
6.71 |
6.71 |
6.71 |
6.71 |
6.71 |
6.71 |
6.71 |
6.71 |
6.71 |
6.71 |
6.71 |
6.71 |
Zone |
Lumens |
% Fixture |
0° - 10° |
28.87 |
5.93% |
10° - 20° |
46.99 |
9.64% |
20° - 30° |
26.17 |
5.37% |
30° - 40° |
35.84 |
7.35% |
40° - 50° |
43.16 |
8.86% |
50° - 60° |
44.69 |
9.17% |
60° - 70° |
42.27 |
8.67% |
70° - 80° |
37.29 |
7.65% |
80° - 90° |
30.64 |
6.29% |
90° - 100° |
28.62 |
5.87% |
100° - 110° |
28.36 |
5.82% |
110° - 120° |
26.90 |
5.52% |
120° - 130° |
24.24 |
4.98% |
130° - 140° |
19.65 |
4.03% |
140° - 150° |
13.31 |
2.73% |
150° - 160° |
7.03 |
1.44% |
160° - 170° |
2.63 |
0.54% |
170° - 180° |
0.58 |
0.12% |
0° - 90° |
335.92 |
68.94% |
90° - 180° |
151.33 |
31.06% |
0° - 180° |
487.25 |
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 |
544 |
544 |
544 |
544 |
514 |
514 |
514 |
514 |
457 |
457 |
457 |
406 |
406 |
406 |
358 |
358 |
358 |
336 |
|
1 |
486 |
459 |
435 |
414 |
457 |
433 |
412 |
393 |
385 |
368 |
353 |
340 |
327 |
316 |
299 |
289 |
280 |
270 |
|
2 |
440 |
398 |
363 |
334 |
413 |
376 |
345 |
318 |
334 |
309 |
288 |
295 |
276 |
259 |
260 |
245 |
232 |
228 |
|
3 |
402 |
350 |
310 |
278 |
377 |
331 |
295 |
266 |
295 |
266 |
242 |
261 |
238 |
219 |
230 |
212 |
197 |
198 |
|
4 |
369 |
311 |
269 |
237 |
346 |
295 |
257 |
227 |
264 |
233 |
208 |
235 |
210 |
190 |
208 |
188 |
171 |
175 |
RCR |
5 |
341 |
280 |
238 |
206 |
320 |
266 |
227 |
198 |
238 |
207 |
182 |
213 |
187 |
167 |
189 |
169 |
152 |
158 |
|
6 |
316 |
254 |
212 |
182 |
297 |
241 |
203 |
175 |
218 |
186 |
162 |
195 |
169 |
149 |
175 |
153 |
137 |
144 |
|
7 |
295 |
232 |
191 |
163 |
277 |
221 |
184 |
157 |
200 |
169 |
146 |
180 |
155 |
135 |
162 |
141 |
124 |
132 |
|
8 |
276 |
213 |
174 |
147 |
260 |
204 |
168 |
143 |
185 |
155 |
133 |
168 |
142 |
124 |
151 |
130 |
114 |
123 |
|
9 |
259 |
198 |
160 |
135 |
245 |
189 |
154 |
131 |
172 |
143 |
122 |
157 |
132 |
114 |
142 |
121 |
106 |
115 |
|
10 |
244 |
184 |
148 |
124 |
231 |
176 |
143 |
120 |
161 |
133 |
113 |
148 |
123 |
106 |
134 |
114 |
99 |
108 |
Mtg Height |
Light Level |
Beam Diameter |
2.0 m |
112.5 lx |
0.7 m |
2.5 m |
72.0 lx |
0.9 m |
3.0 m |
50.0 lx |
1.1 m |
3.5 m |
36.7 lx |
1.3 m |
4.0 m |
28.1 lx |
1.5 m |
4.5 m |
22.2 lx |
1.7 m |
5.0 m |
18.0 lx |
1.9 m |
5.5 m |
14.9 lx |
2.1 m |
6.0 m |
12.5 lx |
2.2 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 |
3.2 | 4.3 | 4.0 | 5.1 | 6.1 | 3.7 | 4.9 | 4.5 | 5.7 | 6.6 |
3H |
6.1 | 7.1 | 6.9 | 7.9 | 8.9 | 5.9 | 6.9 | 6.7 | 7.7 | 8.7 |
4H |
7.5 | 8.5 | 8.3 | 9.3 | 10.3 | 6.8 | 7.7 | 7.6 | 8.5 | 9.6 |
6H |
9.0 | 9.9 | 9.8 | 10.7 | 11.7 | 7.4 | 8.3 | 8.2 | 9.2 | 10.2 |
8H |
9.7 | 10.6 | 10.5 | 11.4 | 12.5 | 7.7 | 8.5 | 8.5 | 9.4 | 10.4 |
12H |
10.4 | 11.3 | 11.3 | 12.1 | 13.2 | 7.8 | 8.6 | 8.6 | 9.5 | 10.5 |
4H |
2H |
3.4 | 4.3 | 4.2 | 5.1 | 6.2 | 4.4 | 5.4 | 5.2 | 6.2 | 7.2 |
3H |
6.3 | 7.2 | 7.1 | 8.0 | 9.0 | 7.1 | 7.9 | 7.9 | 8.8 | 9.8 |
4H |
7.9 | 8.7 | 8.7 | 9.5 | 10.6 | 8.3 | 9.1 | 9.1 | 9.9 | 11.0 |
6H |
9.6 | 10.3 | 10.5 | 11.2 | 12.2 | 9.3 | 10.0 | 10.2 | 10.9 | 11.9 |
8H |
10.5 | 11.2 | 11.4 | 12.1 | 13.1 | 9.7 | 10.4 | 10.6 | 11.2 | 12.3 |
12H |
11.4 | 12.0 | 12.3 | 12.9 | 14.0 | 10.0 | 10.6 | 10.9 | 11.5 | 12.6 |
8H |
4H |
8.0 | 8.6 | 8.8 | 9.5 | 10.5 | 8.7 | 9.4 | 9.6 | 10.3 | 11.3 |
6H |
9.7 | 10.3 | 10.6 | 11.2 | 12.3 | 10.3 | 10.8 | 11.1 | 11.7 | 12.8 |
8H |
10.7 | 11.2 | 11.6 | 12.1 | 13.2 | 11.0 | 11.5 | 11.8 | 12.4 | 13.4 |
12H |
11.9 | 12.3 | 12.7 | 13.2 | 14.3 | 11.6 | 12.0 | 12.5 | 12.9 | 14.0 |
12H |
4H |
7.9 | 8.5 | 8.8 | 9.4 | 10.5 | 8.7 | 9.3 | 9.6 | 10.2 | 11.3 |
6H |
9.8 | 10.2 | 10.6 | 11.1 | 12.2 | 10.4 | 10.9 | 11.3 | 11.8 | 12.9 |
8H |
10.8 | 11.2 | 11.6 | 12.1 | 13.2 | 11.3 | 11.7 | 12.1 | 12.6 | 13.7 |
|
0.00° |
45.00° |
90.00° |
0.00° |
1532 |
1532 |
1532 |
45.00° |
204 |
106 |
148 |
55.00° |
193 |
96 |
143 |
65.00° |
195 |
82 |
130 |
75.00° |
213 |
74 |
100 |
85.00° |
237 |
67 |
47 |