Betalight tubes manufactured from borosilicate (hard) glass internally
coated with zinc sulfide phosphor and filled with tritium gas. No
electrical energy source required.
Brightness
Minimum initial brightness at time of manufacture of 0.15 foot lambert.
Brightness variation between letters does not exceed a ratio of 3 to 2.
Construction
Cased in high-impact ABS fire-retardant plastic, with matte 141 clear Lexan
cover. Face Colors: Red, Green, or Black. Case Colors: Designer Grey,
Black, or White. Diffuser: M.E. Grade Perspex. Reflector: Fire retardant
grade PVC, bright finished by in vacuo evaporation of aluminum
metal.
Arrow Design
Universal arrow configuration, selectable at time of installation.
Mounting Fixture Design
Universal mounting bracket allows for flush ceiling, surface or side
mountings. All mounting hardware is tamper-proof.
Useful Life
10, 15 and 20 years based on initial brightness option selected.
Dimensions
Length - 12 3/4", Height - 8 1/4", Thickness - 1". Die-cut
letters 6" high x 3/4" stroke, 1/4" white border.
Approvals
BetaLux-E has the following code approvals and industry acceptance
Underwriters Laboratories (U.L.)
NFPA Life Safety Code 101
Council of American Building Officials (BOCA, ICBO, SBCCI)
