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VISION FLOOD Architectural Flood Luminaire
ILLUMINATION RECOMMENDATIONS
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.
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.
Area Target Surface Average Target
Description Finish Illuminance
Bright Surroundings Light Surfaces 5 fc
Bright Surroundings Medium Light Surfaces 7 fc
Bright Surroundings Dark Surfaces 10 fc
Dark Surroundings Light Surfaces 2 fc
Dark Surroundings Medium Light Surfaces 3 fc
Dark Surroundings Medium Dark Surfaces 4 fc
Dark Surroundings Dark Surfaces 5 fc
NEMA Beam Field Angle Maximum
Lamp Lamp Beam IES (50% Max. Candela) (10% Max. Candela) Candela Total
Wattage Type Pattern Type in Degrees in Degrees Value Efficiency
175W MH
1
ED-17 Narrow Spot 1 H x 3 V 7 H x 15 V 17 H x 33 V 102,434 60%
Narrow Flood 3 H x 3 V 16 H x 23 V 30 H x 45 V 53,892 71%
Medium Flood 5 H x 3 V 52 H x 18 V 74 H x 41 V 25,698 84%
Wide Flood 7 H x 6 V 70 H x 55 V 132 H x 103 V 8,346 84%
Vertical Flood 7 H x 6 V 98 H x 58 V 147 H x 130 V 5,420 71%
Horizontal Spot 6 H x 6 V 80 H x 27 V 111 H x 120 V 10,694 83%
400W MH
2
BT-37 Narrow Spot 1 H x 2 V 8 H x 16 V 14 H x 27 V 304,593 41%
Narrow Flood 2 H x 3 V 12 H x 19 V 23 H x 36 V 162,701 50%
Medium Flood 4 H x 4 V 22 H x 23 V 48 H x 49 V 92,191 81%
Wide Flood 7 H x 6 V 86 H x 58 V 137 H x 101 V 20,734 81%
Vertical Flood 7 H x 7 V 106 H x 57 V 145 H x 139 V 14,761 74%
Horizontal Spot 5 H x 5 V 86 H x 15 V 94 H x 90 V 34,463 61%
1000W MH
3
BT-37 Narrow Spot 1 H x 4 V 5 H x 16 V 13 H x 48 V 633,201 51%
Narrow Flood 2 H x 4 V 14 H x 27 V 29 H x 55 V 279,879 53%
Medium Flood 4 H x 4 V 23 H x 33 V 53 H x 68 V 197,476 78%
Wide Flood 7 H x 6 V 85 H x 74 V 139 H x 116 V 52,625 83%
Vertical Flood 7 H x 7 V 111 H x 55 V 152 H x 135 V 42,981 76%
Horizontal Spot 6 H x 5 V 85 H x 16 V 105 H x 96 V 99,290 64%
150W HPS
4
ED-17 Narrow Spot 1 H x 4 V 9 H x 23 V 17 H x 46 V 74,261 61%
Narrow Flood 3 H x 4 V 21 H x 31 V 31 H x 57 V 41,007 70%
Medium Flood 5 H x 4 V 49 H x 27 V 77 H x 54 V 23,522 81%
Wide Flood 7 H x 6 V 8 x 69 V 136 H x 109 V 7,567 79%
Vertical Flood 7 H x 6 V 99 H x 55 V 145 H x 126 V 6,331 69%
Horizontal Spot 5 H x 6 V 77 H x 14 V 95 H x 112 V 18,237 84%
400W HPS
5
ED-18 Narrow Spot 1 H x 4 V 6 H x 20 V 13 H x 47 V 260,454 48%
Narrow Flood 2 H x 4 V 15 H x 27 V 27 H x 52 V 112,314 44%
Medium Flood 4 H x 5 V 23 H x 33 V 54 H x 71 V 86,573 78%
Wide Flood 7 H x 6 V 88 H x 80 V 140 H x 117 V 21,630 80%
Vertical Flood 7 H x 7 V 102 H x 60 V 145 H x 137 V 20,686 75%
Horizontal Spot 6 H x 5 V 81 H x 15 V 102 H x 100 V 44,433 62%
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.
3
If using a 750W MH lamp, apply a 0.745 scaling factor to the 1000W MH maximum candela values.
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.
BEAM PATTERN INFORMATION
DESIGN GUIDE
- Illumination Recommendations
- Beam Pattern Information
VISION_FLOOD.wpc 11/19/03 6:20 PM Page 8