Transmitted light refractometer
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United States of America Patent
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Oct 18, 2011
Grant Date -
Apr 23, 2009
app pub date -
Oct 23, 2008
filing date -
Oct 22, 2007
priority date (Note) -
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Abstract
A transmitted light refractometer allows high measurement accuracy across a broad measurement range, even under difficult measuring conditions. The transmitted light refractometer can be connected to a process simply via a single access. In accordance with advantageous features, the transmitted light refractometer covers a measurement range for all practically relevant media and includes integrated temperature compensation. A reversing optics unit is arranged relative to an illumination optics unit such that the reversing optics unit deflects a parallel beam through the process liquid and a measurement prism into the transmitted light refractometer back to the side from which it was radiated. The illumination optics unit, an imaging optics unit, and a detector plane are arranged on the light radiation side such that only one process access is needed.
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