Corrosion monitor
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United States of America Patent
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Jun 25, 2019
Grant Date -
Jan 25, 2018
app pub date -
Jul 20, 2016
filing date -
Jul 20, 2016
priority date (Note) -
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Abstract
A corrosion detection system and a method for operating a corrosion detection system are provided. The system, may include, but is not limited to, a PCB, a corrosion sensor, a first, second, third and fourth standoff coupled between the PCB and a chassis, a constant current circuit coupled to the first standoff, a first trace coupled between the third standoff and a first input of the corrosion sensor, and a second trace coupled between the fourth standoff and a second input of the corrosion sensor, wherein the corrosion sensor is configured to output a signal proportional to the resistance of the chassis based upon a voltage induced at the first input and the second input, and a processor configured to receive the signal proportional to the resistance of the chassis and determine a corrosion level of the chassis by comparing the signal to reference data stored in memory.
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