(P8066-09) Specification Sheet

P87AT WITH P8066-31
Report No. 98125
No. Lamps: 1 Type Lamp: 75PAR30L/FL - GE Total Lumens: 1000
Fixture Efficiency: 87.2%
S/MH Ratio: 1.0
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 0.4 26 3.7 1.8 14
14 0.5 22 5.1 2.5 12
12 0.7 18 7.4 3.7 10
10 1.2 14 11.9 6.0 8
8 2.2 11 22.2 11.1 6
Beam Angle - 88 Beam Angle - 54
Quick Calculator Charts
0 100 200 300 400 500
0
6
12
18
24
30
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
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.= 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
672
667
659
633
586
513
415
319
234
166
111
63
26
10
4
1
1
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
104 104 104 104 102 102 102 102 97 97 97 93 93 93 89 89 89 87
98 96 93 91 96 94 92 90 90 88 87 87 85 84 84 83 82 80
93 88 84 80 91 86 82 79 83 80 78 81 78 76 78 76 74 73
87 80 75 71 85 79 75 71 77 73 70 75 71 69 73 70 68 66
82 74 68 64 80 73 68 64 71 66 63 69 65 62 67 64 61 60
77 68 62 58 75 67 62 58 66 61 57 64 60 57 63 59 56 55
72 63 57 53 71 62 57 53 61 56 52 60 55 52 58 55 51 50
68 59 53 48 67 58 52 48 57 52 48 56 51 48 55 50 47 46
64 54 49 44 63 54 48 44 53 48 44 52 47 44 51 47 44 42
60 51 45 41 59 50 45 41 50 44 41 49 44 41 48 44 41 39
57 48 42 38 56 47 42 38 46 41 38 46 41 38 45 41 38 36