(P8011-60) Specification Sheet

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P87-AT WITH P8011-60
Report No. 98189
No. Lamps: 1 Type Lamp: 50PAR30S/FL-SYLVANIA Total Lumens: 600
Fixture Efficiency: 87.3%
S/MH Ratio: 0.8
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 0.3 21 3.3 1.7 11
14 0.5 17 4.6 2.3 9
12 0.7 14 6.7 3.3 8
10 1.1 11 10.7 5.4 6
8 2.0 8 20.0 10.0 4
Beam Angle - 74˚ Beam Angle - 44˚
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
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.= 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
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DISTRIBUTION CURVE INTENSITY DATA
604
605
611
534
424
297
200
142
94
54
31
22
17
14
12
10
8
4
0
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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 95 93 91 96 93 91 89 90 88 86 87 85 84 84 82 81 80
93 88 84 80 91 86 83 80 83 80 78 81 78 76 78 76 75 73
88 81 76 73 86 80 76 72 78 74 71 76 72 70 74 71 69 67
83 76 70 66 81 75 70 66 73 68 65 71 67 64 69 66 63 62
78 71 65 61 77 70 64 61 68 64 60 67 63 60 65 62 59 58
74 66 60 56 73 65 60 56 64 59 56 63 59 55 62 58 55 54
71 62 56 53 69 61 56 52 60 56 52 59 55 52 58 54 52 50
67 58 53 49 66 58 53 49 57 52 49 56 52 49 55 51 48 47
64 55 50 46 63 55 50 46 54 49 46 53 49 46 52 48 46 44
61 52 47 43 60 52 47 43 51 46 43 50 46 43 50 46 43 42