Advertisement
Page 2 of 2
Quick Calculator
60
50
40
30
20
10
10
20
AREA PER FIXTURE IN SQUARE FEET
2
3
4
CENTER TO CENTER DISTANCE OF FIXTURES IN FEET
This quick calculator chart determines the number and spacing of 1 It.- 32W PL-T units
with white cross blade, for any level of illumination.
Conversion Factors: 32W PLT with Aluminum Cross Blade, f.c. x 0.7; 26W PLT with white
cross blade, f.c. x 0.8; 26W with Aluminum Cross Blade, f.c. x 0.6.
Spacing Ratio = 1.1
CERTIFIED TEST REPORT NO. 0194FR
COMPUTED BY LSI PROGRAM **TEST-LITE**
CALCULITE 5 3/4" DIA. APERTURE RECESSED FLUORESCENT CROSS BLADE DOWNLIGHT WITH
WHITE CROSS BLADE 1-32W PL-T COMPACT FLUORESCENT LAMP.
LUMEN RATING = 2400 LMS. TESTED ACCORDING TO IES PROCEDURES. TEST DISTANCE
EXCEEDS FIVE TIMES THE GREATEST LUMINOUS OPENING OF LUMINAIRE.
180
150
ACROSS
45
ALONG
200
400
600
0
** EFFICIENCY = 33.5% **
** EFFICIENCY = 33.5% **
** EFFICIENCY = 33.5% **
** EFFICIENCY = 33.5% **
** EFFICIENCY = 33.5% **
Coefficients Of Utilization
% EFFECTIVE CEILING CAVITY REFLECTANCE
80
50 30 10
50 30 10
1
.36 .35 .34
.36 .35 .34
2
.33 .32 .30
.33 .31 .30
3
.30 .28 .27
.30 .28 .27
4
.28 .26 .24
.28 .26 .24
5
.26 .24 .22
.26 .23 .22
6
.24 .22 .20
.24 .22 .20
7
.22 .20 .18
.22 .20 .18
8
.21 .18 .17
.20 .18 .17
9
.19 .17 .15
.19 .17 .15
10
.18 .16 .14 ..18 .16 .14
20% FLOOR CAVITY REFLECTANCE
Conversion Factors: 32W PLT with Aluminum Cross Blade, C.U. x 0.7;
26W PLT with White Cross Blade, C.U. x 1.1; Aluminum Cross Blade, C.U. x 0.8.
Lightolier is a Philips group brand
ROOM SURFACE REFLECTANCES:
80% Ceiling; 50% Wall; 20% Floor
2400 Lumens Per Lamp
RCR= 1 (Rm. Width= 10xMtg. Ht. above work plane)
RCR= 5 (Rm. Width= 2xMtg. Ht. above work plane)
RCR=10 (Rm. Width= Mtg. Ht. above work plane)
30
40
50
60
5
6
7
8
120
CANDLEPOWER
ANGLE ALONG 22.5
45
67.5 ACROSS LUMENS
0
593
593
593
593
5
575
575
580
584
10
536
538
541
549
90
15
487
485
491
522
20
436
427
439
478
25
377
366
388
425
30
309
301
325
366
35
228
233
254
279
40
166
178
185
192
60
45
128
133
126
129
50
93
93
92
97
55
73
73
74
79
60
58
58
59
64
65
45
45
47
51
70
34
35
36
39
75
24
24
26
28
80
15
16
17
18
85
7
7
8
10
90
3
2
3
4
ZONAL LUMENS AND PERCENTAGES
30
ZONE
LUMENS % LAMP
0-30
380
15.86
0-40
544
22.67
0-60
718
29.93
0-90
804
33.53
40-90
260
10.86
60-90
86
3.59
90-180
0
.00
0-180
804
33.53
70
50
30
% WALL REFLECTANCE
50 30 10
50 30 10
50 30 10
.34 .34 .33
.33 .32 .32
.32 .31 .31 .30
.31 .30 .29
.31 .30 .29
.30 .29 .28 .27
.29 .28 .26
.28 .27 .26
.27 .26 .25 .25
.27 .25 .24
.26 .25 .24
.26 .24 .23 .23
.25 .23 .22
.24 .23 .21
.24 .22 .21 .21
.23 .21 .20
.23 .21 .20
.22 .21 .20 .19
.21 .19 .18
.21 .19 .18
.21 .19 .18 .17
.20 .18 .17
.20 .18 .17
.19 .18 .16 .16
.19 .17 .15
.18 .16 .15
.18 .16 .15 .15
.17 .15 .14
.17 .15 .14
.17 .15 .14 .13
Calculite
CFL Open Downlight
®
70
593
585
55
558
542 142
506
460 184
402
308 163
214
146 105
104
84
69
68
53
48
40
29
28
20
11
10
4
%LUMINAIRE
47.31
67.61
89.28
100.00
32.39
10.72
.00
100.00
10
0
0
Job Information
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
www.lightolier.com © 2009 Philips Group • B0209
6" Aperture Triple Tube Cross Blade Louver
Type:
8091CB
Advertisement
