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| Calculite® CFL Open Downlight 8056 |
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Page 2 of 2 |
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| 7 3/8" Aperture (2) Quad Tube Horizontal Lamp |
18W
Quick Calculator
| 60 |
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| ROOM SURFACE REFLECTANCES: | ||||
| 50 |
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| 80% Ceiling; 50% Wall, 20% Floor | ||||
INITIAL |
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| 1250 Lumens Per Lamp | |||||
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| RCR= 1 (Rm. Width = 10xMtg. Ht. above work plane) | |||||
| 40 |
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| RCR= 5 (Rm. Width = 2xMtg. Ht. above work plane) | ||||
FOOTCANDLES |
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| RCR=10 (Rm. Width = Mtg. Ht. above work plane) | ||||
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| 20 |
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| 10 |
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| 20 | 40 |
| 60 | 80 | 100 | 120 | 140 |
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| AREA PER FIXTURE IN SQUARE FEET |
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4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
CENTER TO CENTER DISTANCE OF FIXTURES IN FEET
This quick calculator chart determines the number and spacing of 2 Lt. 18 watt Quad Tube units with clear or clear iridescent free reflector for any level of illumination.
Spacing Ratio: 1.4
Test Report Number: LRL
COMPUTED BY: LIGHTING RESEARCH LABORATORY
PREPARED FOR: LIGHTOLIER INC.
APERTURE: 7 1/2”
REFLECTOR: SPECULAR CLEAR ALZAK
LAMPS: TWO 18W QUAD TUBE LAMPS EACH RATED AT 1250 LUMINES.
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| ZONAL | |
| 90 |
| CANDELPOWER SUMMARY | SUMMARY | |||||||
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| Angle |
| ALONG | 22.5 | 45 | 67.5 | ACROSS | Zone | Avg | Zonal |
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| 0 |
| 614 | 614 | 614 | 614 | 614 | Deg0. | C614.P. | Lumens |
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| 5 |
| 616 | 618 | 641 | 632 | 642 | |||
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| 15 |
| 629 | 651 | 733 | 697 | 720 | 5 | 630 | 60 |
| 60 | 25 |
| 625 | 645 | 748 | 690 | 743 | 15 | 689 | 195 |
| 35 |
| 572 | 599 | 709 | 674 | 703 | 25 | 692 | 320 | |
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| 45 |
| 318 | 322 | 413 | 383 | 396 | 35 | 655 | 411 |
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| 55 |
| 24 | 25 | 28 | 27 | 25 | 45 | 371 | 288 |
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| 65 |
| 3 | 3 | 4 | 3 | 3 | 55 | 26 | 23 |
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| 75 |
| 3 | 3 | 3 | 3 | 3 | 65 | 3 | 3 |
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| 85 |
| 2 | 3 | 3 | 2 | 2 | 75 | 3 | 3 |
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| 90 |
| 0 | 0 | 0 | 0 | 0 | 85 | 3 | 3 |
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| 90 | 0 | 0 |
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| 95 | 0 | 0 |
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| ZONAL LUMENS AND PERCENTAGES | 105 | 0 | 0 | ||||||
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| Zone |
| Lumens | % Lamp % Luminaire | 115 | 0 | 0 | |||
0 |
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| 125 | 0 | 0 | ||||||
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| 576 |
| 23.0 | 44.0 | ||||||
30 |
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| 135 | 0 | 0 | ||||||
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| 987 |
| 39.5 | 75.5 | ||||||
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| 145 | 0 | 0 | |||||
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| 1298 |
| 51.9 | 99.3 | |||||
**EFFICIENCY = 52.3%** |
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| 155 | 0 | 0 | ||||||
| 1307 |
| 52.3 | 100.00 | |||||||
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| 165 | 0 | 0 | |||||
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| 175 | 0 | 0 | |||||
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| 1307 |
| 52.3 | 100.00 | |||||
DATE: August | 8, 1989 |
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| 180 | 0 | 0 | |||||
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TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE TIMES
THE GREATEST LUMINOUS OPENING OF LUMINAIRE.
26W
Quick Calculator
| 80 |
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| ROOM SURFACE REFLECTANCES: |
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| 70 |
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| 80% Ceiling; 50% Wall, 20% Floor |
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INITIAL |
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| 1800 Lumens Per Lamp |
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60 |
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| RCR= 1 (Rm. Width = 10xMtg. Ht. above work plane) | |||||||||||
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| 50 |
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| RCR= 5 (Rm. Width = 2xMtg. Ht. above work plane) | ||||||||||
FOOTCANDLES |
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| RCR=10 (Rm. Width = Mtg. Ht. above work plane) | |||||||||||
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40 |
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| 25 |
| 50 | 75 |
| 100 | 125 | 150 | 175 | 200 | ||||||||
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| AREA PER FIXTURE IN SQUARE FEET |
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| 3 | 4 | 5 | 6 | 7 |
| 8 |
| 9 | 10 | 11 | 12 | 13 |
| 14 |
CENTER TO CENTER DISTANCE OF FIXTURES IN FEET
This quick calculator chart determines the number and spacing of 26 watt Quad Tube units with clear reflector, for any level of illumination. Lighting Conversion Factors: Gold, F.C. x 0.9; Black, F.C. x 0.85;
Spacing Ratio = 1.6
Certified Test Report Number: ITL 40604
COMPUTED BY: INDEPENDANT TESTING LABORATORIES, INC
PREPARED FOR: LIGHTOLIER INC.
APERTURE: 7 3/8”
REFLECTOR: SPECULAR CLEAR
LAMPS: TWO 26W 4 PIN QUAD TUBE COMPACT FLUORESCENT RATED AT 1800 LUMENS.
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| CANDLEPOWER SUMMARY |
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ACROSS |
| Angle | 0.0 | 45.0 | 90.0 | 135.0 | 180.0 | Flux |
45 |
| 0 | 836 | 836 | 836 | 836 | 836 |
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ALONG |
| 5 | 843 | 889 | 896 | 893 | 839 | 86 |
| 15 | 898 | 1080 | 1142 | 1051 | 864 | 293 | |
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| 25 | 957 | 1039 | 1058 | 992 | 914 | 465 |
| 90 | 35 | 880 | 953 | 938 | 925 | 817 | 571 |
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| 45 | 620 | 723 | 690 | 676 | 596 | 415 |
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| 55 | 28 | 43 | 39 | 43 | 37 | 81 |
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| 65 | 4 | 4 | 4 | 4 | 4 | 5 |
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| 75 | 2 | 2 | 2 | 2 | 2 | 2 |
400 |
| 85 | 0 | 0 | 0 | 0 | 0 | 0 |
60 | 90 | 0 | 0 | 0 | 0 | 0 |
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| ZONAL LUMENS AND PERCENTAGES |
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800 |
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| Lumens | % Lamp | % Luminare | ||
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| 844 | 23.5 | 41.9 |
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| 1415 | 39.3 | 70.1 |
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| 2011 | 55.9 | 99.7 |
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| 2018 | 56.0 | 100.0 | |||
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| 0 | .00 | .00 |
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1200 |
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| 2018 | 56.0 | 100.0 | |||
0 | 30 |
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**EFFICIENCY = 56.0%** |
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DATE: MAY 28, 1993
TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE EXCEEDS FIVE TIMES
THE GREATEST LUMINOUS OPENING OF LUMINAIRE.
Coefficients Of Utilization
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| % Effective Ceiling Cavity Reflectance |
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| 80 |
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| 70 |
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| 30 |
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| %Wall Reflectance |
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| 50 | 30 | 10 | 50 | 30 | 10 |
| 30 | 10 |
| 50 | 30 | 10 | 50 | 30 | 10 | 0 |
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| 1 | .58 | .56 | .55 | .57 | .55 | .54 | .54 | .53 | .53 |
| .52 | .52 | .51 | .51 | .50 | .49 | .49 |
ROOM | 2 | .54 | .52 | .50 | .53 | .51 | .49 | .51 | .50 | .48 |
| .50 | .48 | .47 | .48 | .47 | .46 | .45 |
3 | .50 | .48 | .46 | .49 | .47 | .45 | .48 | .46 | .44 |
| .47 | .45 | .44 | .46 | .44 | .43 | .42 | |
CAVITY | 4 | .46 | .44 | .41 | .46 | .43 | .41 | .45 | .42 | .41 |
| .44 | .42 | .40 | .43 | .41 | .40 | .39 |
5 | .43 | .40 | .38 | .43 | .40 | .38 | .42 | .39 | .37 |
| .41 | .39 | .37 | .40 | .38 | .37 | .36 | |
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| 6 | .40 | .37 | .34 | .40 | .37 | .34 | .39 | .36 | .34 |
| .38 | .36 | .34 | .37 | .35 | .34 | .33 |
RATIO | 7 | .37 | .34 | .31 | .37 | .34 | .31 | .36 | .33 | .31 |
| .35 | .33 | .31 | .35 | .32 | .31 | .30 |
8 | .34 | .31 | .28 | .34 | .31 | .28 | .33 | .30 | .28 |
| .33 | .30 | .28 | .32 | .30 | .26 | .27 | |
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| 9 | .31 | .28 | .25 | .31 | .28 | .25 | .30 | .27 | .25 |
| .30 | .27 | .25 | .29 | .27 | .25 | .24 |
| 10 | .27 | .23 | .21 | .27 | .23 | .21 | .26 | .23 | .21 |
| .26 | .23 | .31 | .25 | .23 | .21 | .20 |
20% FLOOR CAVITY REFLECTANCE
Coefficients Of Utilization
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| 80 |
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| 50 | 30 | 10 | 50 | 30 | 10 |
| 30 | 10 |
| 50 | 30 | 10 | 50 | 30 | 10 | 0 |
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| 1 | .61 | .59 | .58 | .60 | .58 | .57 | .58 | .56 | .55 |
| .55 | .55 | .54 | .54 | .53 | .52 | .51 |
ROOM | 2 | .56 | .53 | .51 | .55 | .52 | .50 | .53 | .51 | .49 |
| .51 | .49 | .48 | .50 | .48 | .47 | .46 |
3 | .51 | .47 | .45 | .50 | .47 | .44 | .48 | .46 | .43 |
| .47 | .45 | .43 | .46 | .44 | .42 | .41 | |
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CAVITY | 4 | .46 | .42 | .39 | .45 | .42 | .39 | .44 | .41 | .39 |
| .43 | .40 | .38 | .42 | .40 | .38 | .37 |
5 | .42 | .38 | .35 | .42 | .38 | .35 | .40 | .37 | .35 |
| .39 | .37 | .34 | .39 | .36 | .34 | .33 | |
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| 6 | .39 | .34 | .31 | .38 | .34 | .31 | .37 | .34 | .31 |
| .36 | .33 | .31 | .35 | .33 | .31 | .30 |
RATIO | 7 | .35 | .31 | .28 | .45 | .31 | .28 | .34 | .31 | .28 |
| .33 | .30 | .28 | .33 | .30 | .28 | .27 |
8 | .33 | .28 | .26 | .32 | .28 | .26 | .31 | .28 | .25 |
| .31 | .28 | .25 | .30 | .27 | .25 | .24 | |
| 9 | .30 | .26 | .23 | .30 | .26 | .23 | .29 | .26 | .23 |
| .29 | .25 | .23 | .28 | .25 | .23 | .22 |
| 10 | .28 | .24 | .21 | .27 | .24 | .21 | .27 | .24 | .21 |
| .26 | .23 | .21 | .26 | .23 | .21 | .20 |
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20% FLOOR CAVITY REFLECTANCE
Job Information | Type: |
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631 Airport Road, Fall River, MA 02720 • (508)
Lightolier is a Philips group brand