(P8000-28) Specification Sheet

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P45AT WITH P8000-31
Report No. 99006
No. Lamps: 1 Type Lamp: 120BR40 Total Lumens: 1600
Fixture Efficiency: 92.0%
S/MH Ratio: 0.8
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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 0.7 25 7.3 3.7 11
14 1.0 21 10.1 5.1 9
12 1.5 17 14.8 7.4 7
10 2.4 14 23.8 11.9 6
8 4.4 10 44.2 22.1 4
Beam Angle - 857 Beam Angle - 437
Quick Calculator Charts
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.= 9 ft.
Medium Room - RCR=5.0
120 to 200 square foot area
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.= 10 ft.
Large Room - RCR=2.0
1500 to 2500 square foot area
57
157
257
357
457
557
657
757
857
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
1338
1298
1190
1040
874
724
602
496
391
283
185
113
69
46
33
25
21
19
19
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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
110 110 110 110 107 107 107 107 102 102 102 98 98 98 94 94 94 92
103 99 96 94 100 97 95 92 94 91 89 90 88 87 87 85 84 82
96 90 86 82 94 89 84 81 86 82 79 83 80 77 80 78 76 74
90 83 77 72 88 81 76 72 79 74 70 76 73 69 74 71 68 67
84 76 69 65 82 75 69 64 72 67 63 70 66 63 69 65 62 60
79 70 63 58 77 69 63 58 67 62 57 65 61 57 64 60 56 55
74 64 58 53 73 64 57 53 62 57 52 61 56 52 59 55 52 50
70 60 53 49 68 59 53 48 58 52 48 57 52 48 55 51 48 46
66 56 49 45 65 55 49 45 54 48 44 53 48 44 52 47 44 42
62 52 46 41 61 51 45 41 51 45 41 50 45 41 49 44 41 39
59 49 43 38 58 48 42 38 47 42 38 47 42 38 46 41 38 37