| Decorative Opalite™ 6789BK213U |
1200 | Ceiling or Wall Mounted Compact Fluorescent |
Page 2 of 2 |
INITIAL FOOTCANDLES
60
50
40
30
20
10
2 Light - 13W Quad Tube
860 Lumens Per Lamp
RCR = 1 (60' x60'x8.5' room) RCR = 5 (12' x12'x8.5' room) RCR = 10 (6' x6'x8.5' room)
Room surface reflectances
80% Ceiling,50% Walls,20% Floor
5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 |
AREA PER FIXTURE IN SQUARE FEET
2 | 3 | 4 | 5 | 6 | 7 |
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| CENTER TO CENTER DISTANCE OF FIXTURES IN FEET | |||
Use quick calculator chart to determine the number and spacing of luminaries for a desired level of illumination.
SPACING RATIO = 1.4
CERTIFIED TEST REPORT NO. 0978FR
COMPUTED BY LSI PROGRAM
LIGHTOLIER SURFACE UTILITY FLOURESCENT, LUMIDISC
WITH TWIST LOCK ACRYLIC DIFFUSER
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| ESI BALLAST |
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180 | 150 | 120 |
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| CANDLEPOWER DATA |
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| ACROSS |
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| ANGLE | CANDLEPOWER | LUMENS | ANGLE | CANDLEPOWER | LUMENS |
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| 45 |
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| 0 | 131 | 12 | 95 | 23 | 25 |
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| ALONG |
| 5 | 130 | 100 | 22 |
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| 10 | 130 |
| 105 | 21 | 22 | |||
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| 90 |
| 5 | 129 | 36 | 110 | 20 |
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| 20 | 127 |
| 115 | 19 | 19 | |||
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| 25 | 124 | 57 | 120 | 18 |
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| 30 | 120 |
| 125 | 17 | 15 |
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| 35 | 115 | 72 | 130 | 16 |
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| 40 | 109 |
| 135 | 14 | 11 |
| 40 |
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| 80 | 45 | 102 | 79 | 140 | 12 |
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| 50 | 95 |
| 145 | 10 | |
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| 55 | 86 | 77 | 150 | 8 |
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| 60 | 77 |
| 155 | 6 | 3 |
80 |
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| 65 | 67 | 67 | 160 | 4 |
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| 70 | 57 |
| 165 | 3 | 1 |
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| 75 | 47 | 50 | 170 | 2 |
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| 80 | 37 |
| 175 | 1 | 0 |
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| 85 | 29 | 33 | 180 | 1 |
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120 |
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| 90 | 24 |
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| ZONAL LUMENS AND PERCENTAGES |
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0 |
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| ZONE | LUMENS | % LAMP | %LUMINAIRE |
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| 105 | 5.88 | 18.07 |
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| 177 | 9.88 | 30.33 |
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| 334 | 18.56 | 57.00 |
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| 483 | 26.87 | 82.52 |
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| 305 | 16.99 | 52.19 |
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| 149 | 8.31 | 25.52 |
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| 102 | 5.69 | 17.48 |
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| 586 | 32.56 | 100.00 |
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** EFFICIENCY = 32.6% **
TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE
TIMES THE GREATEST LUMINOUS OPENING OF LUMINAIRE.
COEFFICIENTS OF UTILIZATION ZONAL CAVITY METHOD %EFFECTIVE FLOOR CAVITY REFLECTANCE = .20
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| 70 |
| 50 |
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| 10 |
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| 50 30 10 | 50 | 30 | 10 | 50 30 10 |
| 50 30 10 |
| 50 30 10 | 0 |
| 1 | .32 .31 .29 | .31 .29 | .28 | .28 .27 .26 |
| .26 .25 .24 |
| .24 .23 .23 | .22 | |
| 2 | .28 .25 .23 | .27 .25 | .23 | .25 .23 .21 |
| .23 .21 .20 |
| .21 .20 .19 | .18 | |
RATIO | 3 | .24 .22 .19 | .23 .21 | .19 | .22 .19 .18 |
| .20 .18 .17 |
| .18 .17 .16 | .15 | |
4 | .21 .19 .16 | .21 .18 | .16 | .19 .17 .15 |
| .18 .16 .14 |
| .16 .15 .14 | .13 | ||
CAVITY | 6 | .17 .14 .12 | .16 .14 | .12 | .15 .13 .11 |
| .14 .12 .11 |
| .13 .11 .10 | .09 | |
ROOM | 5 | .19 .16 .14 | .18 .16 | .14 | .17 .15 .13 |
| .16 .14 .12 |
| .15 .13 .12 | .11 | |
7 | .15 .12 .10 | .15 .12 | .10 | .14 .11 .10 |
| .13 .11 .09 |
| .12 .10 .09 | .08 | ||
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| 8 | .14 .11 .09 | .13 .11 | .09 | .12 .10 .08 |
| .11 .09 .08 |
| .11 .09 .08 | .07 | |
| 9 | .12 .10 .08 | .12 .09 | .08 | .11 .09 .07 |
| .10 .08 .07 |
| .10 .08 .07 | .06 | |
| 10 | .11 .09 .07 | .11 .08 | .07 | .10 .08 .06 |
| .10 .08 .06 |
| .09 .07 .06 | 05 | |
DETERMINED IN ACCORDANCE WITH CURRENT IES PUBLISHED PROCEDURES
Job Information | Type: |
Lightolier a Genlyte Thomas Company | www.lightolier.com |
631 Airport Road, Fall River, MA 02720 • (508)
© 2002 Genlyte Thomas Group LLC (Lightolier Division) • A0902
