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   Prudential Lighting  Surface & Suspended  

Surface & Suspended - Page 30

 

 

PHOTOMETRIC DATA

P-4300

P-4324 -04RS-FWG (2' X 4' 4 -Lamp)

COEFFICIENTS OF UTILIZATION
% CEILING REFLECTANCE 80 50 10
% WALL REFLECTANCE 50 30 10 50 30 10 50 30 10
ROOM CAVITY RATIO FLOOR CAVITY REFLECTANCE, 20%
1 .59 .57 .54 .55 .53 .51 .50 .48 .47
2 .51 .47 .44 .47 .45 .42 .44 .42 .40
3 .45 .41 .37 .42 .39 .36 .39 .37 .34
4 .40 .35 .42 .38 .34 .30 .35 .33 .29
5 .36 .30 .26 .34 .29 .26 .30 .27 .25
6 .32 .26 .23 .29 .25 .22 .27 .24 .22
7 .28 .23 .20 .27 .22 .19 .25 .22 .19
8 .25 .21 .17 .24 .20 .17 .22 .19 .17
9 .23 .18 .15 .22 .18 .15 .20 .17 .15
10 .21 .16 .13 .20 .16 .13 .19 .15 .13

P-4380/ P-4390

P-4382 -04RS-FWA(1' X 4' 2 -Lamp)

COEFFICIENTS OF UTILIZATION
% CEILING REFLECTANCE 80 50 10
% WALL REFLECTANCE 50 30 10 50 30 10 50 30 10
ROOM CAVITY RATIO FLOOR CAVITY REFLECTANCE, 20%
1 .44 .43 .42 .42 .41 .40 .39 .38 .37
2 .41 .38 .36 .39 .37 .35 .36 .35 .34
3 .37 .34 .32 .35 .33 .31 .33 .31 .30
4 .33 .30 .27 .32 .29 .27 .30 .28 .26
5 .30 .26 .24 .28 .26 .23 .27 .25 .23
6 .27 .23 .21 .26 .23 .21 .24 .22 .20
7 .24 .21 .19 .23 .20 .18 .22 .20 .18
8 .22 .19 .16 .21 .18 .16 .20 .18 .16
9 .20 .16 .14 .19 .16 .14 .18 .16 .14
10 .18 .15 .13 .17 .15 .13 .17 .14 .12

P-4400

P-4424 -04RS-FWA(2' X 4' 4 -Lamp)

COEFFICIENTS OF UTILIZATION
% CEILING REFLECTANCE

80

50

 10
% WALL REFLECTANCE 50 30 10 50 30 10 50 30 10
ROOM CAVITY RATIO FLOOR CAVITY REFLECTANCE, 20%
1 .59 .57 .54 .55 .53 .51 .50 .48 .47
2 .51 .47 .44 .47 .45 .42 .44 .42 .40
3 .45 .41 .37 .42 .39 .36 .39 .37 .34
4 .40 .35 .42 .38 .34 .30 .35 .33 .29
5 .36 .30 .26 .34 .29 .26 .30 .27 .25
6 .32 .26 .23 .29 .25 .22 .27 .24 .22
7 .28 .23 .20 .27 .22 .19 .25 .22 .19
8 .25 .21 .17 .24 .20 .17 .22 .19 .17
9 .23 .18 .15 .22 .18 .15 .20 .17 .15
10 .21 .16 .13 .20 .16 .13 .19 .15 .13
PRUDENTIAL LIGHTING 1774 E. 21st ST. LOS ANGELES, CA 90058 213.746.0360 FAX: 213.746.8838
 

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