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Traffic Signal Calculator
 
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Dialight Vs  
ITE Certified Products
Lamp used in 12" Ball & Arrow / 8" Ball & PED
    Unless noted LED Average Wattage* Comparative Average Wattage* Difference in Watts Number of LED Modules Dialight Cost Per Module
 
8" Red Traffic Ball
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8" Yellow Traffic Ball
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8" Green Traffic Ball
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12" Red Traffic Ball
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12" Yellow Traffic Ball
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12" Green Traffic Ball
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12" Red Arrow
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12" Yellow Arrow
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12" Green Arrow
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Hand & Person Countdown 16"
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Hand & Person Side-by-Side 16"
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Hand & Person Overlay 16"
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  Countdown Timer Only 12"
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Hand & Person Overlay 12"
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  Hand Only 12"
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Person Only 12"
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* Average Wattage=55% on Red, 5% on Yellow, 40% on Green(Vehicle) & =75% on Orange, 25% on White (Pedestrian) and Countdown Duty Cycle
Project Details
Energy Rate (Per Kwh)
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*
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* Installation - Re-lamp Time per Module
(minutes)
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Dialight Product Cost (Bid)
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Installation Cost
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Payback
Payback (in years) Based on Energy Savings1
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ROI(%)
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Watts Saved
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Analysis
               
  Annual Energy Savings
Annual KWh Saved
Annual Cars off the Road
 
 
Annual Energy Savings Using Dialight
Annual KWh Saved
Annual Cars off the Road
               
  Maintenance Savings Over life
Annual CO2 Savings
     
 
Maintenance Savings Over life of LED signals2
Annual CO2 Savings (metric tons)3
     
1. Payback calculated on Purchase and install costs minus rebates
2. Maintenance saving based on number of Incandescent lamp changes that would be required over the life of a single LED installation
3. CO2 Calculation based on 2005 EPA non-baseload emissions rate of 7.18 x 10-4 Metric Tons / KWh
 
 
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