Specification Sheet

P66 WITH P8033-28
Report No. 99045
No. Lamps: 2 Type Lamp: 26W CF QUAD - GE Total Lumens: 3600
Fixture Efficiency: 9.6%
S/MH Ratio: 1.3 (0) 1.2 (90)
Single Fixture Data
Ceiling
Ht.(Ft.)
10% Values
Ft.-C Beam Dia.
Zero
Degrees
Ft.-C
50% Values
Ft.-C Beam Dia.
Ft.-C (Footcandles) are initial and measured 2'-6" from floor
16 0.1 38 0.7 0.3 17
14 0.1 32 0.9 0.5 14
12 0.1 27 1.3 0.7 12
10 0.2 21 2.1 1.1 9
8 0.4 16 4.0 2.0 7
Beam Angle - 109 Beam Angle - 64
Quick Calculator Charts
0 100 200 300 400 500
0
4
8
12
16
20
Initial Footcandles
2'6" from floor
Area per Fixture (sq. ft.)
Room Reflectances: 80% Ceiling, 50% Wall, 20% Floor
Ceiling Ht.= 9 ft.
Medium Room - RCR=5.0
120 to 200 square foot area
0 100 200 300 400 500
0
4
8
12
16
20
Initial Footcandles
2'6" from floor
Area per Fixture (sq. ft.)
Room Reflectances: 80% Ceiling, 50% Wall, 20% Floor
Ceiling Ht.= 10 ft.
Large Room - RCR=2.0
1500 to 2500 square foot area
5
15
25
35
45
55
65
75
85
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
DISTRIBUTION CURVE INTENSITY DATA
120 120
120 117
118 115
116 113
112 109
107 104
101 98
95 92
88 85
80 77
71 68
62 60
53 50
43 40
33 30
23 21
14 12
64
00
70 50 30 10 70 50 30 10 50 30 10 50 30 10 50 30 10 0
80 70 50 30 10 0
RW
RC
10
9
8
7
6
5
4
3
2
1
0
Effective Floor Cavity Reflectance 0.20
ZONAL CAVITY COEFFICIENTS OF UTILIZATION
11 11 11 11 11 11 11 11 11 11 11 10 10 10 10 10 10 10
10 10 9 9 10 10 9 9 9 9 9 9 9 8 9 8 8 8
9 9 8 7 9 8 8 7 8 8 7 8 7 7 7 7 7 7
9 8 7 6 8 7 7 6 7 6 6 7 6 6 7 6 6 6
8 7 6 5 8 7 6 5 6 6 5 6 5 5 6 5 5 5
7 6 5 4 7 6 5 4 6 5 4 5 5 4 5 5 4 4
7 5 4 4 6 5 4 4 5 4 4 5 4 4 5 4 4 4
6 5 4 3 6 5 4 3 5 4 3 4 4 3 4 4 3 3
6 4 4 3 6 4 4 3 4 4 3 4 3 3 4 3 3 3
5 4 3 3 5 4 3 3 4 3 3 4 3 3 4 3 3 3
5 4 3 2 5 4 3 2 4 3 2 4 3 2 3 3 2 2
P66-EBFB
P66-EBFB WITH P8033-28