SL205C
Decorative, Spectral, Floating Paper, Optic Forms
Page 3 of 3
Philips Lightolier
t: (508) 679-8131
w: www.lightolier.com
SL205C February 23, 2012
Specifications are subject to change without notice.
© Koninklijke Philips Electronics N.V., 2012. All rights reserved.
Job Information
Type:
Report No: LSC8924
Cat. No: SL205BTEU
1 x 42W TTT at 3200 lumens
Efficiency:42.3%
Spacing Ratio: 1.2
60°
30°
0º
413
550
275
180º
90°
13
8
Room Ca
vity Ratio
Coefficients Of Utilization - Zonal Cavity Method
Effective Floor Cavity Reflectance = .20
RC
80
70
50
30
10
0
RW 70 50 30 10 70 50 30 10 50 30 10 50 30 10 50 30 10
0
0
.50 .50 .50 .50 .49 .49 .49 .49 .47 .47 .47 .45 .45 .45 .43 .43 .43 .42
1
.47 .45 .43 .42 .46 .44 .43 .41 .42 .41 .40 .40 .40 .39 .39 .38 .38 .37
2
.43 .40 .38 .35 .42 .39 .37 .35 .38 .36 .34 .37 .35 .34 .35 .30 .33 .32
3
.40 .36 .33 .30 .39 .35 .32 .30 .34 .32 .30 .33 .31 .29 .32 .30 .29 .28
4
.37 .32 .29 .26 .36 .32 .29 .26 .31 .28 .26 .30 .27 .26 .29 .27 .25 .24
5
.34 .29 .26 .23 .33 .29 .25 .23 .28 .25 .23 .27 .24 .22 .26 .24 .22 .21
6
.31 .26 .23 .20 .31 .26 .23 .20 .25 .22 .20 .24 .22 .20 .24 .21 .20 .19
7
.29 .24 .20 .18 .28 .23 .20 .18 .23 .20 .18 .22 .19 .17 .22 .19 .17 .17
8
.27 .22 .18 .16 .26 .21 .18 .16 .21 .18 .16 .20 .18 .16 .20 .17 .15 .15
9
.25 .20 .16 .14 .24 .19 .16 .14 .19 .16 .14 .18 .16 .14 .18 .16 .14 .13
10
.23 .18 .15 .13 .23 .18 .15 .13 .17 .14 .12 .17 .14 .12 .17 .14 .12 .12
Determined in accordance with current IES published procedures
Luminaire input watts = 48.2
Candlepower summary
Angle Mean Lumens
0
556
5
555
54
10
553
15
540
152
20
515
25
484
222
30
448
35
406
253
40
362
45
315
242
50
260
55
225
201
60
184
65
140
139
70
99
75
65
70
80
38
85
16
19
90
3
Zonal Lumens and Percentages
Zone Lumens %Lamp %Fixt
0-30
427
13.36
31.60
0-40
680
21.28
50.33
0-60
1124
35.15
83.14
0-90
1352
42.28 100.00
40-90
671
21.00
49.67
60-90
228
7.13
16.86
90-180
0
0.00
0.00
0-180
1352
42.28 100.00
ROOM SURFACE REFLECTANCES
80% Ceiling; 50% Wall; 20% Floor
3200 Lumens Per Lamp
RCR = 1
(Rm. width = 10 x mtg. ht. above work plane)
RCR = 5
(Rm. width = 2 x mtg. ht. above work plane)
RCR = 10
(Rm. width = mtg. ht. above work plane)
20
40
60
80
100
120
140
This quick calculator chart determines the number and spacing of 1 lt. - 42W TTT units
with Clear Alzak reflector, for any level of illumination.
AREA PER FIXTURE IN SQUARE FEET
CENTER TO CENTER DISTANCE OF FIXTURES IN FEET
INITIAL FOO
TCANDLES
60
50
40
30
20
10
Quick Calculator
◄
◄
◄
4 5 6 7 8 9
10
11
12
