Specifications

Quick Calculator Charts
0 100 200 300 400 500
0
12
24
36
48
60
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
20
40
60
80
100
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
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 0.2 401.7 0.9 17
14 0.2 342.4 1.2 15
12 0.3 283.5 1.7 12
10 0.6 225.6 2.8 10
8 1.0 16 10.4 5.2 7
Beam Angle - 112 Beam Angle - 65
5
15
25
35
45
55
65
75
85
95
105
115
125
135
145
155
165
175
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
DISTRIBUTION CURVE INTENSITY DATA
314
314
309
303
294
283
269
252
235
216
199
179
160
141
123
105
88
74
61
55
53
86
173
230
267
303
340
376
406
422
434
443
451
431
350
271
190
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
54 54 54 54 49 49 49 49 40 40 40 32 32 32 24 24 24 21
48 46 44 42 44 42 40 38 34 33 31 27 26 25 20 20 19 16
44 40 36 34 40 36 33 31 29 27 26 23 22 20 18 17 16 13
40 35 31 28 36 32 28 25 26 23 21 20 19 17 15 14 13 11
36 31 26 23 33 28 24 21 23 20 18 18 16 14 14 12 11 9
33 27 23 20 30 25 21 18 20 17 15 16 14 12 12 11 10 8
31 24 20 17 28 22 18 16 18 15 13 15 12 11 11 10 8 7
28 22 18 15 26 20 16 14 16 14 12 13 11 9 10 9 7 6
26 20 16 13 24 18 15 12 15 12 10 12 10 8 9 8 7 5
24 18 14 11 22 16 13 11 14 11 9 11 9 7 8 7 6 5
23 16 13 10 21 15 12 10 13 10 8 10 8 7 8 6 5 4
No. Lamps: 3 Type Lamp: Total Lumens: 5130Fixture
Efficiency: 51.2%
S/MH Ratio: 1.3
SEMI-FLUSH AND CHAIN HUNG