Specifications

P83 WITH 8025-60
Report No. 98044
No. Lamps: 1 Type Lamp: 13W QUAD CF - GE Total Lumens: 860
Fixture Efficiency: 25.6%
S/MH Ratio: 1.3
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 0.0 40 0.4 0.2 17
14 0.0 34 0.5 0.2 15
12 0.1 28 0.7 0.4 12
10 0.1 22 1.2 0.6 10
8 0.2 16 2.2 1.1 7
Beam Angle - 112 Beam Angle - 66
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
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.= 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
66
65
65
63
62
60
57
54
50
46
42
38
33
29
25
21
17
13
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
31 31 31 31 30 30 30 30 29 29 29 27 27 27 26 26 26 26
27 26 25 23 27 25 24 23 24 23 22 23 22 22 22 21 21 20
25 22 20 19 24 22 20 18 21 19 18 20 19 17 19 18 17 16
22 19 17 15 22 19 17 15 18 16 15 17 16 14 17 15 14 14
20 17 15 13 20 17 14 13 16 14 12 15 14 12 15 13 12 11
19 15 13 11 18 15 13 11 14 12 11 14 12 11 13 12 10 10
17 14 11 9 17 13 11 9 13 11 9 12 11 9 12 10 9 9
16 12 10 8 16 12 10 8 12 10 8 11 9 8 11 9 8 8
15 11 9 7 14 11 9 7 11 9 7 10 9 7 10 8 7 7
14 10 8 7 14 10 8 7 10 8 7 10 8 6 9 8 6 6
13 9 7 6 13 9 7 6 9 7 6 9 7 6 9 7 6 5