(P8066-09) Specification Sheet

P87-AT WITH P8066-31
Report No. 98098
No. Lamps: 1 Type Lamp: 150PAR38 - SYLVANIA Total Lumens: 2200
Fixture Efficiency: 95.6%
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 2.7 13 27.5 13.7 7
14 3.8 11 37.8 18.9 6
12 5.5 9 55.4 27.7 5
10 8.9 7 89.0 44.5 4
8 16.5 5 165.4 82.7 3
Beam Angle - 51 Beam Angle - 30
Quick Calculator Charts
0 100 200 300 400 500
0
16
32
48
64
80
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
20
40
60
80
100
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
5004
4929
4342
2836
1342
712
475
366
311
253
186
96
35
13
8
4
2
1
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
114 114 114 114 111 111 111 111 106 106 106 102 102 102 98 98 98 96
109 106 104 102 106 104 102 100 100 99 97 97 96 94 94 93 92 90
104 99 96 93 102 98 94 92 95 92 90 92 90 88 89 88 86 84
99 93 89 85 97 92 88 85 90 86 83 87 84 82 85 83 81 79
95 88 83 79 93 87 82 79 85 81 78 83 80 77 81 78 76 75
90 83 78 74 89 82 77 74 81 76 73 79 75 72 78 74 72 71
87 79 74 70 85 78 73 70 77 72 69 75 72 69 74 71 68 67
83 75 70 66 82 74 69 66 73 69 66 72 68 65 71 68 65 64
80 72 66 63 79 71 66 63 70 66 62 69 65 62 68 65 62 61
77 68 63 60 76 68 63 60 67 63 60 66 62 59 66 62 59 58
74 66 61 57 73 65 60 57 65 60 57 64 60 57 63 59 57 56