Lighting Systems
Page 3 of 4
Performance Upper Compartment
CANDLEPOWER CURVE |
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ZONE |
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DEG |
| 0 | 22,5 | 45 | 67,5 | 90 |
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180 | 322 | 322 | 322 | 322 | 322 | |
175 | 317 | 315 | 314 | 322 | 315 | |
170 | 317 | 315 | 315 | 324 | 308 | |
165 | 312 | 297 | 310 | 316 | 321 | |
160 | 295 | 302 | 307 | 317 | 311 | |
155 | 289 | 279 | 298 | 323 | 316 | |
150 | 265 | 269 | 305 | 314 | 324 | |
145 | 251 | 260 | 293 | 331 | 352 | |
140 | 229 | 241 | 291 | 370 | 395 | |
135 | 207 | 230 | 304 | 452 | 515 | |
130 | 176 | 214 | 345 | 621 | 708 | |
125 | 156 | 196 | 464 | 777 | 881 | |
120 | 133 | 199 | 585 | 943 | 1067 | |
115 | 101 | 222 | 709 | 958 | 962 | |
110 | 71 | 272 | 699 | 731 | 754 | |
105 | 48 | 319 | 530 | 640 | 664 | |
100 | 30 | 264 | 387 | 403 | 418 | |
95 | 8 | 138 | 179 | 197 | 195 | |
90 | 0 | 0 | 0 | 0 | 0 |
REPORT NO: LSC8531 1 X 28W T5
UPPER OPTIC
Efficiency: 90.8%. Indirect Maximum candela: 1067 cd
Indirect Peak at: 120°.
1 lamp T5 UP, 2 lamp T5 DOWN per 4’ section
COEFFICIENTS OF UTILIZATION
ZONAL CAVITY METHOD • EFFECTIVE FLOOR CAVITY REFLECTANCE = .20
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| 80 |
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| 70 |
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| 50 | |
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| Wall reflectance |
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| 70 | 50 | 30 | 70 | 70 | 50 | 30 | 10 | 50 | 30 | 10 | |
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| 0 | .86 | .86 | .86 | .86 | .74 | .74 | .74 | .74 | .50 | .50 | .50 | |
RATIO | 1 | .79 | .75 | .72 | .69 | .67 | .64 | .62 | .58 | .44 | .42 | .41 | ||
2 | .71 | .65 | .60 | .56 | .61 | .56 | .52 | .48 | .38 | .36 | .34 | |||
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CAVITY | 3 | .65 | .57 | .51 | .47 | .55 | .49 | .44 | .40 | .34 | .31 | .28 | ||
4 | .59 | .50 | .44 | .39 | .50 | .43 | .38 | .34 | .30 | .26 | .24 | |||
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ROOM | 5 | .54 | .44 | .38 | .33 | .46 | .38 | .33 | .29 | .26 | .23 | .20 | ||
6 | .50 | .40 | .33 | .28 | .42 | .34 | .29 | .25 | .24 | .20 | .17 | |||
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| 7 | .46 | .36 | .29 | .24 | .39 | .31 | .25 | .21 | .21 | .18 | .15 | |
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| 8 | .42 | .32 | .25 | .21 | .36 | .27 | .22 | .18 | .19 | .16 | .13 | |
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| 9 | .39 | .29 | .23 | .18 | .33 | .25 | .20 | .16 | .17 | .14 | .11 | |
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| 10 | .36 | .26 | .20 | .16 | .31 | .23 | .18 | .14 | .16 | .12 | .10 |
DETERMINED IN ACCORDANCE WITH CURRENT IES PUBLISHED PROCEDURES
LUMINAIRE INPUT WATTS = 31.8
DISTRIBUTION
ZONE | LUMENS | %LAMP | % LUMINAIRE |
258 | 9.90 | 10.91 | |
445 | 17.07 | 18.79 | |
1154 | 44.22 | 48.69 | |
2370 | 90.82 | 100.00 | |
1925 | 73.76 | 81.21 | |
1216 | 46.60 | 51.31 | |
0 | .00 | .00 | |
2370 | 90.82 | 100.00 |
Performance Lower Compartment
CANDLEPOWER CURVE
ZONE
DEG
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
REPORT NO: LSC8447 2 X 28W T5 LOWER OPTIC
Efficiency: 54%. Candela at Nadir: 1685 cd
CANDLEPOWER
0 | 22,5 | 45 | 67,5 | 90 |
1685 | 1685 | 1685 | 1685 | 1685 |
1677 | 1675 | 1682 | 1688 | 1686 |
1635 | 1628 | 1663 | 1679 | 1682 |
1570 | 1580 | 1611 | 1628 | 1617 |
1495 | 1494 | 1519 | 1503 | 1490 |
1399 | 1407 | 1377 | 1367 | 1355 |
1286 | 1285 | 1237 | 1200 | 1184 |
1155 | 1145 | 1072 | 1022 | 970 |
1011 | 976 | 887 | 811 | 777 |
858 | 806 | 689 | 624 | 594 |
664 | 634 | 506 | 464 | 446 |
421 | 421 | 346 | 312 | 275 |
145 | 158 | 186 | 150 | 104 |
5 | 18 | 60 | 46 | 11 |
0 | 0 | 10 | 0 | 0 |
0 | 0 | 0 | 0 | 0 |
0 | 0 | 0 | 0 | 0 |
0 | 0 | 0 | 0 | 0 |
0 | 0 | 0 | 0 | 0 |
COEFFICIENTS OF UTILIZATION
ZONAL CAVITY METHOD • EFFECTIVE FLOOR CAVITY REFLECTANCE = .20
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| 80 |
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| 70 |
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| 50 | |
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| Wall reflectance |
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| 70 | 50 | 30 | 10 | 70 | 50 | 30 | 10 | 50 | 30 | 10 | |
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| 0 | .64 | .64 | .64 | .64 | .63 | .63 | .63 | .63 | .60 | .60 | .60 | |
RATIO | 1 | .61 | .59 | .58 | .56 | .60 | .58 | .57 | .55 | .56 | .55 | .54 | ||
2 | .57 | .54 | .52 | .50 | .56 | .53 | .51 | .49 | .51 | .50 | .48 | |||
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CAVITY | 3 | .54 | .50 | .46 | .44 | .52 | .49 | .46 | .44 | .47 | .45 | .43 | ||
4 | .50 | .45 | .42 | .39 | .49 | .45 | .42 | .39 | .43 | .41 | .38 | |||
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ROOM | 5 | .47 | .41 | .38 | .35 | .46 | .41 | .37 | .35 | .40 | .37 | .34 | ||
6 | .44 | .38 | .34 | .31 | .43 | .37 | .34 | .31 | .36 | .33 | .31 | |||
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| 7 | .41 | .35 | .31 | .28 | .40 | .34 | .30 | .28 | .33 | .30 | .28 | |
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| 8 | .38 | .31 | .27 | .25 | .37 | .31 | .27 | .25 | .30 | .27 | .25 | |
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| 9 | .35 | .29 | .25 | .22 | .34 | .28 | .24 | .22 | .28 | .24 | .22 | |
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| 10 | .32 | .26 | .22 | .20 | .32 | .26 | .22 | .20 | .25 | .22 | .19 |
DETERMINED IN ACCORDANCE WITH CURRENTIES PUBLISHED PROCEDURES
LUMINAIRE INPUT WATTS = 62.9
DISTRIBUTION
ZONE | LUMENS | %LAMP | % LUMINAIRE |
1243 | 23.82 | 44.08 | |
1910 | 36.59 | 67.71 | |
2770 | 53.09 | 98.24 | |
2821 | 54.04 | 100.00 | |
911 | 17.45 | 32.29 | |
50 | .95 | 1.76 | |
0 | .00 | .00 | |
2821 | 54.04 | 100.00 |