Sodium-vapor street lamps and mercury street lamps are different in brightness, استهلاك الطاقة, and color temperature.
- سطوع: Sodium street lamps provide light with higher brightness and color temperature. The mercury lamps are dimmer.
- استهلاك الطاقة: To reach the same brightness, the mercury lamps need more power than the sodium lights.
- درجة حرارة اللون: The color temperature of the mercury street lamps is higher than that of the sodium vapor street lamps. لذلك, the sodium vapor street lamps are always yellow, while the mercury ones are whiter.
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