The name "double-bore" comes from the special quartz used to make the Ultra Violet lamps. This glass consists of quartz tubing with a quartz partition or septum through the center. (See drawing). This allows the plasma to ignite at one electrode, travel around the septum, and back down to meet the other electrode creating an arc of U.V. energy. These bulbs are low pressure, cold cathode, mercury vapor lamps which are manufactured from either fused quartz (ozone-producing) or ozone-free quartz. (Ozone-free quartz lamps can replace Vycor* filter for most applications).
The specialized design of this mercury bulb eliminates dangling lead wires because of their location at only one end of the lamp. This feature is ideal for such applications as dipping into liquid or inserting the lamp into small apertures. The Double-Bore have strong isolated spectral lines that are well separated from the others. The bulbs are free from contaminats which are harmful to the operation of the lamp. We take extra, unique steps in the manufacturing process to ensure that each lamp is free of contamination. This process improves the quality, stability, uniformity and lifetime of the lamps. When operated properly, these are extremely stable. This is important for accurate calibration and instrumentation applications where the lamp stability is vital. In comparison to other UV light sources, the Double-Bore lamps are very cool burning. The temperature rarely exceeds 100° C. This is important where the components or substances must not be heated by the light source used. The Double-Bore mercury bulbs are long lasting uv light sources. Under optimal conditions lifetime is 5000 hours, although they have been operated for as many as 30000 continuous hours. All of the Double-Bore bulbs can be filled with a variety of rare gases such as argon, krypton, neon, xenon, and helium.
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HPLC
TOC Analyzer
Calibration of photometers
Mercury analyzer
Photochemistry
Atomic absorption
Spectrometry
Ozone monitor
Ozone generator
Immunoassays
Calibrations of spectroscopes
Medical instruments
Fluoromicroscopy
Pollution instrumentations
Spectrophotometry
Interferometry
Fluorescence
U.V. curing
Others
