SPL SOX-E 18W lamp is a low pressure sodium vapor lamp with a U-shaped discharge tube enclosed in clear outer glass. This Master SOX-E is a widely used sodium lamp in public lighting. The color rendering is monochromatic (in a small light spectrum) and gives yellow light. Highest lumen/watt ratio of all gas lamps.
Application . This SOX-E is used for lighting streets, tunnels, parking lots and other general public places where safety plays a role. Often wall or ceiling fixtures (in or surface-mounted) and lampposts. The MASTER SOX-E lamps with black BY22d lamp base are used with an electronic ballast.
Lifetime of the SOX-E. 20% failure at 12,000 hours and 50% failure at 18,000 hours on electronic ballast. The light output at 25°C is 100-206 Lm/watt. This Master SOX-E lamp is NOT dimmable.
Available in the lamp color display 1700K (yellow-orange) and in the wattages 35W, 55W, 90W, 135W and 180W. Color fastness (Ra) is 44. Burning position H110 (35 and 55W).