Comparison:

1. Glare ,Color Temperature & Color Index

STREET LAMP

No Glare. The color Temperature is comfortable.The objects are truly irradiated is colorful true.People feel more comfortable.

METAL HALIDE STREET LAMP

Strong glare. Color temperature too high. the objects are irradiated untrue.People feel irritable, depressed.

 

SODIUM LAMP

Strong glare. Color temperature too low (very yellow or orange). The objects are irradiated untrue.People feel boring hypnosis.

2. COMPARISON ANALYSIS BETWEEN LED STREETLIGHT & CONVENTIONAL STREETLIGHT(Intregated Performance Comparison)

 

Item High Pressure Sodium Lame LED Streetlight
Photometric Performance BadExcellent
Radiator Performance BadExcellent
Electrical Performance Electric Shock Easy (hige Voltage)Safe (Low Voltage)
Working Life Short(5,000h)Very Long(>50,000h)
working Voltage Range Norrow(+/-7%)Wide(+/-20%)
Power Consumption Quite HighQuite Low
startup Speed Quite Slow (over 10 minutes)Rapid (2sec)
Strobe Yes (Alternating Current Drive)No (Direct Current Drive)
optical Efficiency Low (<60%)High (>90%)
Color Index/Distinguish Feature bad, Ra<50 (The color of Object is Faith, Boring, Hypnosis)Good Ra> 75 (The Color of object is Fresh,Veritable and Comfortable)
bad Glare Strong GlareNo Glare
Light Pollution SeriousNo
High Generation Serious (> 3000C)Cold light Source (<600C)
Lampshade Turn Dark Easy(Dust Absorption)No (Static Proof)
Lampshade Aging Trun Yellow Very FastNot
Shockproof Performance Bad (Frangibility)Good (No Filament Nor Glass)
Environment Pollution Lead pollution, etc.None
Maintenance Costs HighQuite Low
Producte Cubage Very LargeSmall(Slim Appearance)
Product Weight heavyLight
Cost-effective BadHigh
Integrated Performance BadExcellent