Specification Sheet

P87AT WITH P8068-21A
Report No. 98127
No. Lamps: 1 Type Lamp: 150PAR38/FL Total Lumens: 2200
Fixture Efficiency: 77.8%
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 2.2 13 21.8 10.9 7
14 3.0 11 30.0 15.0 6
12 4.4 9 44.0 22.0 5
10 7.1 7 70.5 35.3 4
8 13.1 5 131.2 65.6 3
Beam Angle - 52 Beam Angle - 30
Quick Calculator Charts
0 100 200 300 400 500
0
12
24
36
48
60
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
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.= 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
3968
3895
3427
2197
1083
587
404
315
261
215
161
94
34
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
93 93 93 93 91 91 91 91 87 87 87 83 83 83 79 79 79 78
89 86 85 83 87 85 83 82 82 80 79 79 78 77 76 75 74 73
84 81 78 75 83 79 77 74 77 75 73 75 73 71 72 71 70 68
80 76 72 69 79 74 71 68 72 70 67 71 68 66 69 67 65 64
77 71 67 64 75 70 66 63 68 65 63 67 64 62 66 63 61 60
73 67 63 60 72 66 62 59 65 61 59 64 61 58 62 60 58 57
70 63 59 56 69 63 59 56 62 58 55 61 57 55 60 57 55 54
67 60 56 53 66 60 56 53 59 55 52 58 55 52 57 54 52 51
64 57 53 50 63 57 53 50 56 53 50 55 52 50 55 52 49 48
62 55 51 48 61 55 50 48 54 50 48 53 50 47 53 49 47 46
59 53 48 46 59 52 48 46 52 48 46 51 48 45 51 47 45 44