(P8043-21) Specification Sheet

P830-TG WITH P8043-21
Report No. 98263
No. Lamps: 1 Type Lamp: 75PAR16/NFL-SYLVANIA Total Lumens: 1900
Fixture Efficiency: 95.5%
S/MH Ratio: 0.6
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 1.7 19 16.7 8.3 9
14 2.3 16 23.0 11.5 7
12 3.4 13 33.7 16.9 6
10 5.4 10 54.1 27.0 5
8 10.1 8 100.6 50.3 3
Beam Angle - 69 Beam Angle - 35
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
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
3043
2950
2567
2018
1523
1105
776
530
313
139
47
16
6
5
4
3
2
2
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 95 94 93 92 91 90
104 99 95 92 101 97 94 91 94 92 89 92 89 87 89 87 86 84
99 93 88 85 97 91 87 84 89 85 83 87 84 81 85 82 80 79
94 87 82 78 92 86 81 78 84 80 77 82 79 76 80 77 75 74
90 82 77 73 88 81 76 72 79 75 72 78 74 71 76 73 71 69
85 77 72 68 84 77 71 68 75 71 67 74 70 67 73 69 66 65
82 73 68 64 80 72 67 64 71 67 63 70 66 63 69 65 63 61
78 69 64 60 77 69 64 60 68 63 60 67 63 59 66 62 59 58
74 66 60 57 73 65 60 57 64 60 56 64 59 56 63 59 56 55
71 63 57 54 70 62 57 54 61 57 54 61 56 53 60 56 53 52