Water sterilizer and organic matter measurement instrument
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United States of America Patent
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Dec 8, 1981
Grant Date -
N/A
app pub date -
Apr 9, 1980
filing date -
Apr 9, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A combined instrument for the determination of the quantity of organic material present in a water sample is disclosed which features a first photosensor adapted to regulate the output of a source of ultraviolet regulation at a constant level and a second substantially identical photosensor positioned so as to view the same portion of the source of ultraviolet radiation as the first photosensor. The second photosensor produces a signal proportional to the transmittance of the ultraviolet radiation through the water sample and hence inversely proportional to the amount of organic material contained within the water. Such an instrument is also disclosed in combination with a water sterilizer in which the same source of ultraviolet radiation used as to monitor the amount of organic material present in the water is also arranged to provide ultraviolet radiation to the water or provide a bactericidal and sterilizing effect to the water.
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