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Page 2 of 2 |
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| 2' x 4' direct/indirect recessed fluorescent | |||||||
Performance
Candlepower Curve 228
180°
1500 1000 500
90°
0°
Report No: LSCB889
Cat. No: QCE2GOLOP228UNVPG
2 28W T5 Fluorescent Lamps at 2600 lumens. Efficiency: 92.7%
Candela at Nadir: 1438cd
Candlepower
ZONE
DEG
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| ALONG | 22.5 | 45 | 67.5 | ACROSS |
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0 | 1438 | 1438 | 1438 | 1438 | 1438 | |
5 | 1442 | 1433 | 1435 | 1432 | 1432 | |
10 | 1421 | 1412 | 1425 | 1426 | 1419 | |
15 | 1390 | 1386 | 1397 | 1410 | 1410 | |
20 | 1333 | 1336 | 1363 | 1378 | 1382 | |
25 | 1274 | 1281 | 1311 | 1345 | 1355 | |
30 | 1207 | 1211 | 1262 | 1303 | 1317 | |
35 | 1117 | 1140 | 1200 | 1257 | 1271 | |
40 | 1026 | 1052 | 1128 | 1198 | 1226 | |
45 | 924 | 954 | 1047 | 1133 | 1167 | |
50 | 811 | 852 | 960 | 1065 | 1105 | |
55 | 708 | 748 | 872 | 994 | 1033 | |
60 | 591 | 647 | 780 | 908 | 960 | |
65 | 484 | 543 | 689 | 820 | 876 | |
70 | 375 | 443 | 596 | 733 | 779 | |
75 | 270 | 342 | 496 | 626 | 668 | |
80 | 166 | 245 | 367 | 445 | 465 | |
85 | 68 | 132 | 174 | 196 | 199 | |
90 | 0 | 0 | 0 | 0 | 0 | |
Room Cavity Ratio
COEFFICIENTS OF UTILIZATION
ZONAL CAVITY METHOD * EFFECTIVE FLOOR CAVITY REFLECTANCE = .20
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| 70 |
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| 70 | 50 | 30 | 10 |
| 70 | 50 | 30 | 10 | 50 | 30 | 10 |
0 | 1.10 | 1.10 | 1.10 | 1.10 |
| 1.08 | 1.08 | 1.08 | 1.08 | 1.03 | 1.03 | 1.03 |
1 | 1.00 | .96 | .91 | .88 |
| .98 | .94 | .90 | .86 | .89 | .86 | .83 |
2 | .91 | .83 | .76 | .71 |
| .88 | .81 | .75 | .70 | .78 | .73 | .68 |
3 | .83 | .72 | .65 | .59 |
| .80 | .71 | .64 | .58 | .68 | .62 | .57 |
4 | .75 | .64 | .56 | .49 |
| .73 | .63 | .55 | .49 | .60 | .54 | .48 |
5 | .69 | .56 | .48 | .41 |
| .67 | .55 | .47 | .41 | .53 | .46 | .41 |
6 | .63 | .50 | .42 | .36 |
| .61 | .49 | .41 | .35 | .47 | .40 | .35 |
7 | .58 | .45 | .37 | .31 |
| .56 | .44 | .36 | .30 | .43 | .35 | .30 |
8 | .53 | .40 | .32 | .26 |
| .52 | .39 | .32 | .26 | .38 | .31 | .26 |
9 | .49 | .36 | .28 | .23 |
| .48 | .36 | .28 | .23 | .34 | .27 | .22 |
10 | .46 | .33 | .25 | .20 |
| .45 | .32 | .25 | .20 | .31 | .24 | .20 |
DETERMINED IN ACCORDANCE WITH CURRENT IES PUBLISHED PROCEDURES | ||||||||||||
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| LUMINAIRE INPUT WATTS = 61.5 |
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| DISTRIBUTION |
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| ZONE | LUMENS |
| % LAMP |
| % LUMINAIRE |
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| 1136 |
| 21.86 |
| 23.58 |
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| 1885 |
| 36.25 |
| 39.10 |
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| 3470 |
| 66.74 |
| 71.98 |
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| 4821 |
| 92.72 |
| 100.00 |
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| 2936 |
| 56.47 |
| 60.90 |
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| 1350 |
| 25.98 |
| 28.02 |
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| 0 |
| .00 |
| .00 |
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| 4821 |
| 92.72 |
| 100.00 |
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| Job Information |
| Type: |
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Lightolier | www.lightolier.com | Canlyte |
| www.canlyte.com |
631 Airport Road, Fall River, MA 02720 • (508) | 3015 | H8T 1C4 • (514) | ||
We reserve the right to change details of design, materials and finish. |
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© 2008 Philips Group • QCE2x4OLOP.pdf |
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Lightolier is a Philips group brand