
1005
5" Aperture Step Baffle Reflector Trim
Page 4 of 4
Philips Lightolier
t: (508) 679-8131
w: www.lightolier.com
1005 September 26, 2012
Specifications are subject to change without notice.
© Koninklijke Philips Electronics N.V., 2012.All rights reserved.
Job Information Type:
60
50
40
30
20
10
10 30 45 60 75 90 105 120
4 5 6 7 8 9 10 11
ROOM SURFACE RELECTANCES:
80% Ceiling; 50% Walls; 20% Floor 1200
Lumens Per Lamp
Large Room (RCR=1)
Small Room (RCR=5)
CENTER TO CENTER DISTANCE OF FIXTURES IN FEET
Use quick calculator chart to determine the spacing of 75 Watt PAR30 FL units (Black)
for a desired level of illumination. Conversion Factors: 75W PAR30 FL,White, F.C. x 1.1
AREA PER FIXTURE IN SQUARE FEET
1000
2000
3000
0
Zonal lumens and percentages
Zone Lumens %Lamp %Luminaire
0-30 962 75.4 87
96 1066 83.6 96
0-60 1109 87.01 100
0-90 1111 87.20 100
**Efficiency =87.2%
Angle Mean CP
0 2087
5 2051
10 1972
15 1721
20 1233
25 643
30 293
35 155
40 95
45 54
50 15
55 2
60 1
65 1
70 1
75 1
80 1
85 1
90 1
Tested according to IES
Procedures.Test distance
exceeds five times the
greatest luminous opening
of luminaire.
Coefficients of utilization
Ceiling 80% 70% 50% 0%
Wall 50 30 10 50 30 10 50 30 10 0
% WALL RELECTANCE
Room Cavity Ratio
1.99 .97 .96 .97 .95 .94 .93 .92 .91 .85
2.94 .92 .89 .93 .90 .89 .90 .88 .87 .81
3.90 .87 .85 .89 .87 .84 .87 .85 .83 .80
4.87 .84 .81 .86 .83 .81 .84 .82 .80 .77
5.84 .80 .77 .83 .79 .77 .81 .79 .76 .74
6.81 .77 .75 .80 .77 .74 .79 76 .74 .72
7.78 .74 .72 .77 .74 .71 .76 .73 .71 .69
8.75 .71 .69 .74 .71 .69 .74 .71 .69 .67
9.72 .69 .66 .72 .69 .66 .71 .68 .66 .66
10 70 .67 64 70 .67 64 69 66 .64 .63
Conversion Factor: 75W PAR30 FL;White, C.U. x 1.1 65W BR30
FL; Black, C.U. x .75;White, C.U. x 1.0.
To convert lighting data for a lower wattage incandescent lamp of
the same type, multiply the footcandle (or candlepower) values by
the ratio of the lumens of the two lamps.
The coefficients of utilization remain the same.
Certified Test Program No. 1868
Computed by LSI Program **TEST-LITE** Recessed Lytecaster Downlight 4 5/8" Dia. Aperture,
Black Step Baffle One 75W PAR30 Flood L:amp, Lumnen Rating = 1275 LMS.