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  Prudential Lighting   Surface & Suspended  

Surface & Suspended - Page 17

   

Surface & Suspended

PHOTOMETRIC DATA

P-1602-04RS-PRS(2 - lamp)

  COEFFICIENTS OF UTILIZATION
% CEILING REFLECTANCE 80 70 50
% WALL REFLECTANCE 70 50 30 70 50 30 70 50 30
ROOM CAVITY RATIO   FLOOR CAVITY REFLECTANCE, 20%
0 .89 .89 .89 .87 .87 .87 .82 .82 .82
1 .81 .77 .74 .78 .75 .72 .71 .68 .66
2 .74 .67 .62 .71 .66 .61 .62 .58 .55
3 .67 .59 .53 .65 .58 .52 .55 .50 .46
4 .62 .53 .46 .60 .52 .45 .49 .44 .40
5 .57 .47 .41 .55 .46 .40 .44 .39 .34
6 .53 .43 .36 .51 .42 .35 .40 .34 .30
7 .49 .39 .32 .47 .38 .32 .36 .31 .27
8 .45 .35 .29 .44 .34 .28 .33 .28 .24
9 .42 .32 .26 .41 .32 .26 .30 .25 .21
10 .40 .30 .24 .38 .29 .23 .28 .23 .19

P-1604-04RS-PRS(4 - lamp)

COEFFICIENTS OF UTILIZATION
80 70 50
70 50 30 70 50 30 70 50 30
FLOOR CAVITY REFLECTANCE, 20%
.77 .77 .77 .75 .75 .75 .71 .71 .71
.70 .67 .64 .68 .65 .62 .62 .59 .58
.64 .59 .54 .62 .57 .53 .54 .51 .48
.59 .52 .47 .57 .51 .46 .48 .44 .41
.54 .46 .41 .52 .45 .40 .43 .39 .35
.50 .41 .36 .47 .41 .35 .39 .34 .31
.46 .37 .32 .45 .37 .31 .35 .31 .27
.43 .34 .28 .41 .33 .28 .32 .27 .24
.40 .31 .26 .39 .31 .25 .29 .25 .21
.37 .29 .23 .36 .28 .23 .27 .23 .19
.35. .26 .21 .34 .26 .21 .25 .21 .18

 

ENCLOSED AND GASKETED: A dust tight fixture may be ordered for areas where dust is a problem. The fixture will be supplied with a gasketed lens.

 

The P-1600 Series may be direct mounted on low density ceilings (Standard 430 MA).

DAMP LOCATION: In areas where a ''Damp Location's' label is required, specify prefix ''PDL''.

INSTALLATION

We reserve the right to change details of design, materials or finish in any way that will not alter appearance, reduce function or performance.

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



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