3/4/2024 0 Comments Self luminous exit signSee Our Self Luminous Exit Sign Disposal Services This gradual dimming will dip below the accepted lumens required by OSHA and UL guidelines. Once the manufacturing date is reached, your SL sign will be significantly dimmer than when you first purchased it. This is the best indicator of knowing when to replace your SL fixtures. Self powered exit signs are available in the following lifespans:Įach sign we sell has a manufacturer's label on the top or bottom, stamped with a replacement date. This allows the manufacturer to gauge the exact amount of tritium needed for the model's intended life expectancy. Tritium is a radioactive compound that slowly degrades at a defined rate. When mixed together inside the vacuum-sealed tubes, these elements will naturally glow. These tubes are coated with phosphor during the manufacturing stage, then injected with a hydrogen gas called tritium. The secret behind self-luminous fixtures is the tiny glass tubes secured to a tray inside the unit. Self powered exit signs, however, can be placed in total darkness and still stay lit! Tritium Power No Charging Required Even some non-electrical signs, like glow in the dark photoluminescent kind, still require ambient light to charge them.
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