Specification Sheet

P83 WITH P8068-21A
Report No. 98035
No. Lamps: 1 Type Lamp: 13W QUAD CF-GE Total Lumens: 860
Fixture Efficiency: 63.2%
S/MH Ratio: 1.1
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 0.2 27 2.5 1.2 12
12 0.4 22 3.6 1.8 10
10 0.6 17 5.8 2.9 8
8 1.1 13 10.7 5.4 6
Beam Angle - 99 Beam Angle - 56
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
325
311
265
247
245
241
228
207
178
145
111
78
48
22
4
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
75 75 75 75 73 73 73 73 70 70 70 67 67 67 64 64 64 63
71 68 66 65 69 67 65 63 64 63 61 62 61 60 60 59 58 57
66 62 58 55 64 60 57 55 58 56 54 56 54 52 54 53 51 50
61 55 51 48 59 54 51 48 53 49 47 51 48 46 50 47 45 44
56 50 45 42 55 49 45 42 48 44 41 46 43 41 45 42 40 39
52 45 41 37 51 45 40 37 43 39 36 42 39 36 41 38 36 35
49 41 36 33 48 41 36 33 40 36 33 39 35 32 38 35 32 31
45 38 33 29 44 37 33 29 36 32 29 36 32 29 35 31 29 28
42 35 30 27 41 34 30 27 34 29 26 33 29 26 32 29 26 25
40 32 27 24 39 32 27 24 31 27 24 30 27 24 30 26 24 23
37 30 25 22 37 29 25 22 29 25 22 28 24 22 28 24 22 21