PERMEX / TRITIUM EXIT SIGNS
The Merit Lighting PERMEX P-180 series incorporates virtually fail-proof tritium/phosphor technology. The system has been used for years in aviation and also in military and manned space applications where reliability is absolutely essential.
Cross-References
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Tritium-filled gas tubes require no electrical input or external light source and are rated for 10-year luminous life (20-year life option available). Universal directional indicators and
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Classic self-luminous tritium exit sign — no electrical wiring or batteries; uses tritium gas illumination for 10–20 year service life.
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Self-luminous tritium-gas-tube exit sign. No electrical input or external light source required. 10-year luminous life standard (20-year option). Suitable for wet locations; tamperproof mounting hardware included.
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