Specification Sheet

P83 WITH P8068-22A
Report No. 98031
No. Lamps: 1 Type Lamp: 13W QUAD CF - GE Total Lumens: 860
Fixture Efficiency: 64.0%
S/MH Ratio: 1.0
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 0.2 31 1.8 0.9 14
14 0.3 26 2.5 1.3 12
12 0.4 22 3.7 1.9 10
10 0.6 17 6.0 3.0 8
8 1.1 13 11.1 5.5 6
Beam Angle - 98 Beam Angle - 55
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
6
12
18
24
30
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
335
351
290
263
253
246
233
211
181
147
110
74
44
18
3
0
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
76 76 76 76 74 74 74 74 71 71 71 68 68 68 65 65 65 64
71 69 67 65 70 68 66 64 65 64 62 63 62 61 61 60 59 58
67 63 59 56 65 61 58 56 59 57 55 57 55 53 55 54 52 51
62 56 52 49 60 56 52 49 54 50 48 52 49 47 51 48 46 45
57 51 47 43 56 50 46 43 49 45 42 47 44 42 46 43 41 40
53 46 42 38 52 46 41 38 45 41 38 43 40 37 42 39 37 36
50 42 37 34 49 42 37 34 41 37 34 40 36 33 39 36 33 32
46 39 34 31 45 38 34 30 37 33 30 37 33 30 36 32 30 29
43 36 31 28 42 35 31 28 35 30 27 34 30 27 33 30 27 26
41 33 28 25 40 33 28 25 32 28 25 31 28 25 31 27 25 24
38 31 26 23 37 30 26 23 30 26 23 29 25 23 29 25 23 22