Water filter cartridge comprising an exchangeable testing unit that contains a conductance sensor
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United States of America Patent
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Issued Date -
Jan 19, 2006
app pub date -
Apr 4, 2003
filing date -
Apr 4, 2002
priority date (Note) -
Abandoned
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Abstract
A water filter cartridge is proposed that is intended especially for treating drinking water in beverage machines or drinking water devices, which includes a replaceable control unit to monitor the condition of the water filter cartridge (1). The water filter cartridge according to the invention is intended to make possible reliable monitoring of its condition. This is accomplished according to the invention in that the control unit includes a sensor unit (11) with at least one conductance sensor (13, 14).
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