|
Calculate the savings - Use Cooper Lighting's
T5 FBay Payback Calculator
| Feature |
T5
HO Fluorescent 4X54W |
400W Metal
Halide |
| Initial Lumens |
20,000
|
36,000 |
| Lumens per Watt |
93
Lumens per Watt |
79.3 |
| Lumen Maintenance |
95%
|
70% |
| Design Lumens |
19,000 |
25,200 |
| Fixture Efficiency |
98.7% |
80% |
| Usable Lumens |
18,753 |
20,160 |
| Watts per Fixture |
239 |
454 |
| Lumen Maintenance |
93-95% |
70% |
| Lamp Life |
20,000
hours |
20,000 hours |
| Instant On |
Starts
Immediately |
Slow warm-up |
| Hot Re-strike |
Re-starts
Immediately |
Up to 20 minutes
to re-start |
| CRI Rating |
85% |
65% |
| Uniformity |
Light spreads
evenly minimizing shadows |
Hots spots & shadows |
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