Comparison Chart high Pressure Sodium vs. LED Street Lights
Below you can find all the technical parameters of the High Pressure Sodium, HPS, lights versus the LED Street Lights and the pro's and con's of both of the lights:Items |
High Pressure Sodium Light - HPS |
LED Street Light |
Photometric Performance |
Bad |
Excellent |
Radiator Performance |
Bad |
Excellent |
Electric Performance |
Electric Shock Easy (High Voltage) |
Safe (Low Voltage) |
Working Life |
Short (5,000 hours) |
Quite Long (>50,000 hours) |
Working Voltage Range |
Narrow (±7%) |
Wide (±20%) |
Power Consumption |
Quite High |
Quite Low |
Startup Speed |
Quite Slow (Over 10 minutes) |
Rapid (2 seconds) |
Strobe |
Yes (Alternating Current Drive) |
No (Direct Current Drive) |
Optical Efficiency |
Low |
High |
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) |
Color Temperature |
Quite Low (Yellow Or Amber , Uncomfortable) |
Ideal Color Temperature (Comfortable) |
Bad Glare |
Strong Glare (Dazzle) |
No Harmful Glare |
Light Pollution |
Strong |
No |
Heating |
Serious (>300°C) |
Cold Light (<60°C) |
Lampshade Turn Dark |
Easy (Absorb Dust) |
No (Static Proof) |
Lamp Aging Turn Yellow |
In A Short Time |
No |
Shockproof Performance |
Bad (Fragile) |
Good (No Filament Nor Glass) |
Environment Pollution |
Contains Lead Element Etc. |
No |
Maintenance Cost |
High |
Quite Low |
Product Cubage |
Big |
Small (Slim Appearance) |
Product Weight |
Heavy |
Light |
Cost-Effective |
Low |
High |
Integrated Performance |
Bad |
Excellent |
