LEVEL SENSING CONTROLLER AND METHOD
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United States of America Patent
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Issued Date -
Feb 17, 2011
app pub date -
Jul 27, 2010
filing date -
Jul 27, 2009
priority date (Note) -
Abandoned
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Abstract
An apparatus for controlling a pump or other device includes first and second proximity sensors adapted to sense level of a fluid or powder in a vessel and a control circuit adapted to receive and process the sensor outputs and output one or more control signals to control a controlled device. The first and second sensor locations can be interchanged without affecting performance of the apparatus.
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