D E S I G N G U I D E
- Illumination Recommendations
- Beam Pattern Information
I L L U M I N A T I O N R E C O M M E N D A T I O N S
Effective floodlighting design is a complex and subjective task. Results are heavily dependent upon surrounding light levels, surface finish of the
intended target, spectral color distribution of the lamp source, mounting location allowances, and viewers perceptions.
The following table lists IESNA (Illuminating Engineering Society of North America) recommended illuminance levels for the floodlighting of
buildings and monuments.
Area
Description
Bright Surroundings
Bright Surroundings
Bright Surroundings
Dark Surroundings
Dark Surroundings
Dark Surroundings
Dark Surroundings
Cooper Lighting Application Engineers are available to assist in providing design layouts, aiming diagrams, and illuminance plots for your next
floodlighting project. Consult your INVUE Lighting Systems Representative for more information.
B E A M P A T T E R N I N F O R M A T I O N
Lamp
Wattage
175W MH
1
400W MH
2
1000W MH
150W HPS
4
400W HPS
5
1
If using a 100W MH lamp, apply a 0.629 scaling factor to the 175W MH maximum candela values.
2
If using a 250W MH lamp, apply a 0.569 scaling factor to the 400W MH maximum candela values.
If using a 750W MH lamp, apply a 0.745 scaling factor to the 1000W MH maximum candela values.
3
4
If using a 100W HPS lamp, apply a 0.594 scaling factor to the 150W HPS maximum candela values.
5
If using a 250W HPS lamp, apply a 0.55 scaling factor to the 400W HPS maximum candela values.
7
V I S I O N F L O O D
A r c h i t e c t u r a l F l o o d L u m i n a i r e
NEMA
Lamp
Beam
IES
Type
Pattern
Type
ED-17
Narrow Spot
1 H x 3 V
Narrow Flood
3 H x 3 V
Medium Flood
5 H x 3 V
Wide Flood
7 H x 6 V
Vertical Flood
7 H x 6 V
Horizontal Spot
6 H x 6 V
BT-37
Narrow Spot
1 H x 2 V
Narrow Flood
2 H x 3 V
Medium Flood
4 H x 4 V
Wide Flood
7 H x 6 V
Vertical Flood
7 H x 7 V
Horizontal Spot
5 H x 5 V
3
BT-37
Narrow Spot
1 H x 4 V
Narrow Flood
2 H x 4 V
Medium Flood
4 H x 4 V
Wide Flood
7 H x 6 V
Vertical Flood
7 H x 7 V
Horizontal Spot
6 H x 5 V
ED-17
Narrow Spot
1 H x 4 V
Narrow Flood
3 H x 4 V
Medium Flood
5 H x 4 V
Wide Flood
7 H x 6 V
Vertical Flood
7 H x 6 V
Horizontal Spot
5 H x 6 V
ED-18
Narrow Spot
1 H x 4 V
Narrow Flood
2 H x 4 V
Medium Flood
4 H x 5 V
Wide Flood
7 H x 6 V
Vertical Flood
7 H x 7 V
Horizontal Spot
6 H x 5 V
Target Surface
Finish
Light Surfaces
Medium
Light Surfaces
Dark Surfaces
Light Surfaces
Medium
Light Surfaces
Medium Dark
Surfaces
Dark Surfaces
Beam
Field Angle
(50% Max. Candela)
(10% Max. Candela)
in Degrees
in Degrees
7 H x 15 V
17 H x 33 V
16 H x 23 V
30 H x 45 V
52 H x 18 V
74 H x 41 V
70 H x 55 V
132 H x 103 V
98 H x 58 V
147 H x 130 V
80 H x 27 V
111 H x 120 V
8 H x 16 V
14 H x 27 V
12 H x 19 V
23 H x 36 V
22 H x 23 V
48 H x 49 V
86 H x 58 V
137 H x 101 V
106 H x 57 V
145 H x 139 V
86 H x 15 V
94 H x 90 V
5 H x 16 V
13 H x 48 V
14 H x 27 V
29 H x 55 V
23 H x 33 V
53 H x 68 V
85 H x 74 V
139 H x 116 V
111 H x 55 V
152 H x 135 V
85 H x 16 V
105 H x 96 V
9 H x 23 V
17 H x 46 V
21 H x 31 V
31 H x 57 V
49 H x 27 V
77 H x 54 V
8 x 69 V
136 H x 109 V
99 H x 55 V
145 H x 126 V
77 H x 14 V
95 H x 112 V
6 H x 20 V
13 H x 47 V
15 H x 27 V
27 H x 52 V
23 H x 33 V
54 H x 71 V
88 H x 80 V
140 H x 117 V
102 H x 60 V
145 H x 137 V
81 H x 15 V
102 H x 100 V
Average Target
Illuminance
5 fc
7 fc
10 fc
2 fc
3 fc
4 fc
5 fc
Maximum
Candela
Total
Value
Efficiency
102,434
60%
53,892
71%
25,698
84%
8,346
84%
5,420
71%
10,694
83%
304,593
41%
162,701
50%
92,191
81%
20,734
81%
14,761
74%
34,463
61%
633,201
51%
279,879
53%
197,476
78%
52,625
83%
42,981
76%
99,290
64%
74,261
61%
41,007
70%
23,522
81%
7,567
79%
6,331
69%
18,237
84%
260,454
48%
112,314
44%
86,573
78%
21,630
80%
20,686
75%
44,433
62%
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