(P8066-09) Specification Sheet

P87-AT WITH P8066-31
Report No. 98097
No. Lamps: 1 Type Lamp: 75PAR30 SN - GE Total Lumens: 1100
Fixture Efficiency: 91.4%
S/MH Ratio: 0.5
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 1.4 13 13.9 6.9 8
14 1.9 11 19.1 9.6 7
12 2.8 9 28.0 14.0 6
10 4.5 7 45.0 22.5 4
8 8.4 5 83.6 41.8 3
Beam Angle - 53 Beam Angle - 33
Quick Calculator Charts
0 100 200 300 400 500
0
8
16
24
32
40
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
10
20
30
40
50
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
2529
2487
2203
1613
919
425
234
144
86
36
10
5
2
1
0
0
0
0
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
109 109 109 109 106 106 106 106 102 102 102 97 97 97 93 93 93 91
105 103 101 99 103 101 99 97 97 96 94 94 93 92 90 90 89 87
101 97 94 91 99 95 93 90 93 90 88 90 88 86 87 86 85 83
97 92 88 85 95 91 87 85 88 86 83 86 84 82 84 82 81 79
93 87 83 80 92 86 83 80 85 81 79 83 80 78 81 79 77 76
90 83 79 76 88 83 79 76 81 78 75 80 77 74 78 76 74 73
86 80 75 72 85 79 75 72 78 74 72 77 73 71 76 73 71 70
83 76 72 69 82 76 72 69 75 71 68 74 71 68 73 70 68 67
80 73 69 66 79 73 69 66 72 68 66 71 68 65 70 67 65 64
78 71 66 63 77 70 66 63 69 66 63 69 65 63 68 65 63 62
75 68 64 61 74 68 64 61 67 63 61 66 63 60 66 63 60 59