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  Prudential Lighting   Surface & Suspended  

Surface & Suspended - Page 13

   

Surface & Suspended

PHOTOMETRIC DATA

P-1251-04RS-WA

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 .70 .67 .63 .61 .57 .55 .50 .47 .45
2 .59 .54 .48 .52 .47 .43 .42 .39 .36
3 .52 .45 .40 .44 .40 .35 .36 .33 .30
4 .45 .39 .33 .39 .34 .30 .32 .29 .25
5 .40 .33 .28 .34 .29 .24 .28 .24 .21
6 .35 .29 .23 .31 .25 .21 .25 .21 .18
7 .32 .24 .20 .28 .22 .18 .22 19. .15
8 .29 .22 .16+ .24 .19 .15 .20 .16 .13
9 .25 .19 .14 .22 .16 .13 .17 .14 .11
10 .23 .16 .13 .20 .15 .11 .16 .12 .10

SERVICING

INSTALLATION

.

PRUDENTIAL LIGHTING 1774 E. 21st ST. LOS ANGELES, CA 90058 213.746.0360 FAX: 213.746.8838
 



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