Ultraviolet intensity meter
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United States of America Patent
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Jan 17, 1995
Grant Date -
N/A
app pub date -
Dec 14, 1993
filing date -
Dec 14, 1993
priority date (Note) -
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Abstract
A self-contained, electro-optic instrument measures and displays the intensity emitted by an ultraviolet (UV) light source. The instrument is a portable, battery-operated device which has the size and shape of a flashlight. The measurement head receives various light guide adapters to provide a proper fit for a light guide of the UV spot curing system being used. Alternatively, the measurement head may be fitted with a wide angle lens to receive UV light for environment safety testing. In operation with a spot curing system, the instrument is gripped in one hand while the light guide is inserted in the adapter in the measurement head with the other hand. Once the spot curing system's light guide is inserted, a start switch on the body of the instrument is depressed and a measurement is taken. When the start switch is released, the measurement temporarily stored and displayed on a display, such as a liquid crystal display (LCD). Operation is similar for environmental safety testing except the instrument is simply pointed in a direction where the UV light is to be measured.
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