Liquid densitometer
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United States of America Patent
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Apr 22, 2014
Issued Date -
N/A
app pub date -
Aug 31, 2009
filing date -
Sep 24, 2008
priority date (Note) -
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Abstract
A liquid component concentration meter measures the concentration of a liquid in a liquid supply tube from outside the liquid supply tube. The concentration meter includes a liquid supply tube; a light transmission unit; a light emission unit for irradiating light to the light transmission unit; a light reception unit for receiving light passed through the light transmission unit; a support member that movably supports the light emission unit and the light reception unit such that a measurement position is moved along the light transmission unit; a measurement-position moving mechanism for moving the support member such that the measurement position is moved within a predetermined area in the light transmission unit; and a data processing unit for calculating the concentration of the liquid in the liquid supply tube based on intensities of light received by the light reception unit at different measurement positions.
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