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Comparison
Update£º2005-8-21 14:40:33
 

   Light Comparison Table
Lamp TypeHomemade Kerosene Incandescent Compact Fluorescent LED 
Efficiency 
(Lumens/Watt)       0.03       5-18     30-79      25-50 
Rated Life (Hours) Supply of kerosene    1,000 6,500 ¨C 15,000    50,000 to        100,000 
Durability Fragile and dangerousVery fragile Very fragile Durable 
Power consumption
(Watt)  0.04 ¨C 0.06 Liters/hour       5W    7W      2W 
CCT deg K   1,800 deg.    2,652 deg.  4,200 deg.       5,000 deg 
CRI       80        98        62        82 
$ after 50,000 Hours      $1,251      $175       $131        $20 

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