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  Prudential Lighting   Surface & Suspended  

Surface & Suspended - Page 5

   

Surface & Suspended

PHOTOMETRIC DATA

P-901-HL (1-Lamp, #6100)

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 .73 .70 .67 .63 .61 .59 .51 .50 .49
2 .64 .59 .56 .55 .52 .49 .46 .44 .42
3 .56 .51 .47 .50 .46 .42 .41 .39 .36
4 .51 .45 .40 .44 .40 .37 .37 .35 .32
5 .45 .39 .35 .40 .35 .32 .33 .30 .28
6 .41 .25 .30 .36 .31 .28 .30 .27 .24
7 .37 .30 .26 .32 .27 .24 .27 .24 .21
8 .33 .27 .23 .29 .24 .21 .24 .21 .18
9 .30 .24 .20 .26 .21 .18 .22 .18 .16
10 .27 .21 .17 .24 .19 .16 .20 .17 .14

P-902-HL (2-Lamp, #7100)

COEFFICIENTS OF UTILIZATION
80 50 10
50 30 10 50 30 10 50 30 10
FLOOR CAVITY REFLECTANCE, 20%
.71 .68 .66 .63 .61 .60 .55 .53 .50
.63 .59 .55 .57 .54 .50 .51 .48 .45
.56 .51 .49 .51 .47 .44 .47 .43 .40
.51 .45 .41 .46 .42 .38 .42 .39 .36
.45 .40 .35 .41 .37 .33 .38 .33 .29
.41 .35 .31 .37 .33 .29 .34 .30 .26
.37 .31 .27 .34 .29 .26 .31 .27 .23
.33 .27 .24 .30 .26 .22 .27 .22 .19
.30 .24 .20 .27 .23 .19 .24 .20 .17
.27 21 .18 .25 .20 .17 .21 .18 .16

SERVICING

The apparent depth of the 2-, 3- and 4- lamp versions is only 2-1/2'' sinces the fixture ''floats'' below the ceiling, giving a shallow appearance.

The  4'' lens assembly on the 2-, 3- and 4- lamp unit is secured to9 the fixture body by four spring loaded barrel latches. The lens can be hinged from either side by releasing two latches or can be easily removed for maintenance.

U.L. listed for direct mounting to low density ceilings.

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



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