Specifications
P83 WITH P8060
Report No. 98040
No. Lamps: 1 Type Lamp: 13W QUAD CF - GE Total Lumens: 860
Fixture Efficiency: 7.8%
S/MH Ratio: 1.3
Single Fixture Data
Ceiling
Ht.(Ft.)
10% Values
Ft.-CBeam Dia.
Zero
Degrees
Ft.-C
50% Values
Ft.-CBeam Dia.
Ft.-C (Footcandles) are initial and measured 2'-6" from floor
16 0.0 39 0.1 0.1 17
14 0.0 33 0.2 0.1 15
12 0.0 27 0.3 0.1 12
10 0.0 21 0.4 0.2 10
8 0.1 16 0.8 0.4 7
Beam Angle - 110Beam Angle - 65
Quick Calculator Charts
0100 200300 400500
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
23
23
23
22
22
21
20
19
17
16
14
12
10
8
6
4
3
1
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
9 9 9 9 9 9 9 9 9 9 9 8 8 8 8 8 8 8
8 8 8 7 8 8 8 7 8 7 7 7 7 7 7 7 7 7
8 7 7 6 7 7 6 6 7 6 6 6 6 6 6 6 6 5
7 6 6 5 7 6 5 5 6 5 5 6 5 5 5 5 5 5
6 5 5 4 6 5 5 4 5 5 4 5 4 4 5 4 4 4
6 5 4 4 6 5 4 4 5 4 4 4 4 4 4 4 4 3
5 4 4 3 5 4 4 3 4 4 3 4 4 3 4 3 3 3
5 4 3 3 5 4 3 3 4 3 3 4 3 3 4 3 3 3
5 4 3 2 5 4 3 2 3 3 2 3 3 2 3 3 2 2
4 3 3 2 4 3 3 2 3 3 2 3 3 2 3 3 2 2
4 3 2 2 4 3 2 2 3 2 2 3 2 2 3 2 2 2
P83
4
8
12
16
20
24
28
32
DEGREES CANDELA