![]() ![]() The ESW-SL series features several glass envelopes (tubes) Light emitting phosphors are designedĪnd selected according to their color and light production efficiency. Particles that bombard the phosphorus coated glass tubes, thisĪction generates light. Illumination is achieved by using a permanent Procedures and meet all requirements of the Atomic EnergyĬontrol Board (AECB) and the Federal Nuclear RegulatoryĬommission. The ESW-SL series is manufactured under stringent quality control Lambert = The unit of brightness equal to 1/candles/cmįoot Lambert = The unit of brightness equal to 1/candles/ft = approximately 1000 microlamberts (the conversion factor is microlamberts = 1076 x foot lamberts, and foot lamberts = microlamberts /1076). For convenience, the following definitions are provided: The conventional unit of measurement is the microlambert. Although this source emits light, it cannot be considered or measured in the same sense as incandescent (point) sources, where light is emitted evenly from an area rather than a point surface. The ESW-SL series uses self-luminous tritium as a light source. The ESW-SL series average life expectancy is 10 - 20 years. The ESW-SL series exit sign is always "ON" requiring no wiring or electrical installation, and as a practical and environmental matter, consumes no power of any kind. ![]() Barring destruction of the unit, the ESW-SL series self-luminous sign must be accounted for as being totally reliable during its predicted life. The ESW-SL series is a completely self-powered, illuminated exit sign requiring no external power source of any kind. Since an external power source is not required, the installation of the ESW-SL series is not restricted by location or the lack of an easily accessible power source. The practical design of the ESW-SL series allows installation and maintenance to be at a minimum. Requiring no external power source, installation is effortless and efficient. The ESW-SL series has been designed to perform in just about any environment. Suitable for wet, cold and hazardous location installations. The ESW-SL series exit is suitable for surface ceiling, wall and end mounting. Removable field adjustable chevron arrows are standard on each unit. Single or double face versions must be specified. ![]() Wall, ceiling or end mounting configurations are available. The ESW-SL housing is supplied standard with a red on white stencil and white or black frame finish. The ESW-SL series housing is available constructed from durable, corrosion resistant ABS thermoplastic or optional industrial grade aluminum. Tritium source illumination provides constant emergency illumination ranging from ten (10) to twenty (20) years. SELF-LUMINOUS: standard self-luminous versions are internally illuminated by maintenance free sealed tritium tubes. Housings are available constructed fromĭurable corrosion resistant thermoplastic or industrial grade aluminum, please specify when ordering. The ESW-SL series is available in single or double face versions. The ESW-SL series does not require electrical power, wiring or batteries. The use of internally sealed tritium gas as the illumination source reduces general maintenance issues and operational costs. The ESW-SL series of self-luminous exits are designed for easy Tritium Self Luminous Exit Signs Code and Compliance
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