System for visual and electronic reading of colorimetric tubes
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United States of America Patent
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May 21, 2019
Grant Date -
Feb 20, 2014
app pub date -
May 29, 2013
filing date -
Sep 7, 2010
priority date (Note) -
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Abstract
Gas detector tubes may be used to determine a concentration of target gases in air. The gas detector tubes described may be read either by and optical reader or visually by the user. A gas detector tube reader having an optical reader capable of reading a length of stain, a color change and color density of a reagent in a gas detector tube. The gas detector tube may further comprise sensors for measuring the environmental conditions during sampling.
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