(P8043-21) Specification Sheet

P830-TG WITH P8043-22
Report No. 98260
No. Lamps: 1 Type Lamp: 75PAR16/NFL-SYLVANIA Total Lumens: 1900
Fixture Efficiency: 94.7%
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 18 17.2 8.6 8
14 2.4 16 23.8 11.9 7
12 3.5 13 34.8 17.4 6
10 5.6 10 55.8 27.9 5
8 10.4 8 103.8 51.9 3
Beam Angle - 69 Beam Angle - 34
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
3141
3034
2626
2043
1515
1076
754
527
315
135
46
16
4
2
1
1
0
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
113 113 113 113 110 110 110 110 105 105 105 101 101 101 97 97 97 95
108 105 103 101 106 103 101 100 100 98 96 96 95 94 93 92 91 89
103 99 95 92 101 97 94 91 94 91 89 91 89 87 89 87 85 84
98 92 88 84 96 91 87 84 89 85 82 86 83 81 84 82 80 78
94 87 82 78 92 86 81 78 84 80 77 82 79 76 80 77 75 74
89 82 77 73 88 81 76 72 79 75 72 78 74 71 76 73 70 69
85 77 72 68 84 76 71 68 75 71 67 74 70 67 73 69 66 65
81 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 60 66 62 59 58
74 66 60 57 73 65 60 57 64 60 57 64 59 56 63 59 56 55
71 63 57 54 70 62 57 54 61 57 54 61 57 54 60 56 53 52