Illumination source
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 clear lexan cover. Face covers: red, green, or black. Case colors:
Grey, white or black.
Arrow design
Universal arrow configuration, selectable
at time of installation.
Mounting fixture
design
Universal mounting bracket allows for flush
ceiling, surface or side mounting. All mounting hardware is tamper- proof.
Useful life
10 and 20 years based on initial brightness
option selected.
Dimensions
Length: 324 mm (12.75")
Height: 210 mm (8.25")
Thickness: 25 mm (1')
BetaLux-E approvals
Underwriters Laboratories (U.L.)
NFPA life safety code 101
Council of American Building Officials (BOCA,
ICBO, SBCCI)
OSHA
NRC