architecture - engineering - construction
Prudential Lighting
Surface & Suspended
Surface & Suspended - Page 23
Surface & Suspended
| PHOTOMETRIC DATA 
P-1852-04RS-PRS (2-Lamp)
| COEFFICIENTS
OF UTILIZATION |
| %
CEILING REFLECTANCE |
80 |
50 |
| % WALL
REFLECTANCE |
50 |
30 |
10 |
50 |
30 |
10 |
| ROOM
CAVITY RATIO |
FLOOR
CAVITY REFLECTANCE, 20% |
| 1 |
.50 |
.48 |
.47 |
.46 |
.45 |
.44 |
| 2 |
.45 |
.42 |
.39 |
.41 |
.39 |
.37 |
| 3 |
.40 |
.36 |
.34 |
37. |
.35 |
.32 |
| 4 |
.36 |
.32 |
.29 |
.34 |
.31 |
.28 |
| 5 |
.32 |
.28 |
.25 |
.30 |
.27 |
.24 |
| 6 |
.29 |
.25 |
.22 |
.27 |
.24 |
.21 |
| 7 |
.26 |
.22 |
.20 |
.25 |
.21 |
.19 |
| 8 |
.23 |
.20 |
.17 |
.22 |
.19 |
.16 |
| 9 |
.21 |
.17 |
.15 |
.20 |
.17 |
.14 |
| 10 |
.19 |
.15 |
.13 |
.18 |
.15 |
.13 |
| HORIZONTAL
ILLUMINATION |
| 8 ft.
Mounting Height |
| FOOT
CANDLES |
| 1 |
31.6 |
15.5 |
8.5 |
3.3 |
1.6 |
0.9 |
| 2 |
71.6 |
46.7 |
24.9 |
9.5 |
4.4 |
2.3 |
| 3 |
65.1 |
51.5 |
35.9 |
17.0 |
8.2 |
4.4 |
| 4 |
48.7 |
42.6 |
35.3 |
21.0 |
11.7 |
6.5 |
| 5 |
35.1 |
33.1 |
34.1 |
21.5 |
13.7 |
8.5 |
| 6 |
26.2 |
24.9 |
23.8 |
18.9 |
14.0 |
9.6 |
| |
2.0 |
2.5 |
3.0 |
4.0 |
5.0 |
6.0 |
| Feet from Wall |
SERVICING AND SPECIAL FINISHES
These units may be ordered in custom body colors to meet
your requirements.
Walnut finished, solid wood framed units (WOD) also
available.
To specify add prefix ''WOD''
Ex: P-WOD-1852-04RS-WA
INSTALLATION
We reserve the right to change details of design, materials
and 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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