The black light (UV) tubes are rated at 7,500
hours life, while most light bulbs are rated at only 1,000
hours. You may wish to replace your
black light tubes after 2000-3000 hours of use, because there will be
about 12% reduction in intensity at these
times. One year of eight hour work days equals 2080 hours;
so
estimating your total "on" time for an average
day and the number of days per year you print will give you
a bench mark for when you need to change
your tubes. Two thousand hours would be about 5-10 years
use for most photographers who use their
light source once or twice a week.
They are designated as: F15T8/BL preheat (11X14 and 14X16) or F20T12/BL preheat (18X20 for the standard units. Some lighting supply houses may have them or can order them.
Replacement bulbs are available for immediate
shipment from Crawford Electrical Supply Company, a lighting supply house,
by calling Katie Metcalf at 512-901-0225.
She can process a credit card order and ship that same day.
For the High Output
Reflector 40 watt and 60 watt Sun Tanning Lamps Imported from
Holland contact EEP at 512-267-4274 or by e-mail at JonE@EEPJON.com.
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