Calibration system and technique for photoluminescent oxygen sensors with zero point maintained with a metal-air battery
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United States of America Patent
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Dec 4, 2012
Grant Date -
Sep 15, 2011
app pub date -
May 20, 2011
filing date -
Nov 7, 2008
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Abstract
A calibration device and method of using the device to calibrate an analytical instrument capable of reading a photoluminescent oxygen probe. The device includes at least (a) a first mass of an oxygen sensitive photoluminescent dye retained within a hermetically sealed space so as to isolate the dye from environmental oxygen, and in fluid communication with an activated metal-air battery whereby any oxygen permeating into the hermetically sealed space is quickly consumed by the battery, and (b) a second mass of an oxygen sensitive photoluminescent dye in fluid communication with an environmental concentration of oxygen.
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