(P8066-09) Specification Sheet

P83 with P8066-28
Report No. 98029
No. Lamps: 1 Type Lamp: 13W QUAD CF-GE Total Lumens: 860
Fixture Efficiency: 55.1%
S/MH Ratio: 1.4
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 0.9 0.5 19
14 0.1 32 1.3 0.7 16
12 0.2 27 1.9 1.0 13
10 0.3 21 3.1 1.5 10
8 0.6 16 5.7 2.8 8
Beam Angle - 109 Beam Angle - 69
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
172
172
167
161
156
154
156
155
147
131
110
87
65
45
28
16
9
3
0
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
66 66 66 66 64 64 64 64 61 61 61 59 59 59 56 56 56 55
61 58 56 54 59 57 55 53 55 53 52 53 51 50 51 50 49 48
56 51 48 45 54 50 47 44 48 46 43 47 44 42 45 43 42 40
51 45 41 38 50 45 41 37 43 40 37 41 39 36 40 38 36 34
47 40 36 32 45 40 35 32 38 35 32 37 34 31 36 33 31 30
43 36 31 28 42 35 31 28 34 30 27 33 30 27 32 29 27 26
40 32 28 24 39 32 27 24 31 27 24 30 26 24 29 26 24 22
37 29 25 21 36 29 24 21 28 24 21 27 24 21 27 23 21 20
34 27 22 19 33 26 22 19 26 22 19 25 21 19 24 21 19 18
32 25 20 17 31 24 20 17 24 20 17 23 19 17 22 19 17 16
30 23 18 15 29 22 18 15 22 18 15 21 18 15 21 18 15 14