Multi-lead measurement apparatus for detection of a defective temperature-dependent resistance sensor
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United States of America Patent
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Jun 18, 2015
app pub date -
Jul 22, 2013
filing date -
Aug 2, 2012
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Abstract
A multi-lead measurement apparatus, which has at least two current generation devices that can be turned on alternately, at least two voltage measurement devices, and at least three connection terminals, preferably three, four or five connection terminals, to which the at least two temperature-dependent resistance sensors that are electrically connected to one another can be connected. This multi-lead measurement apparatus furthermore has an evaluation device that is configured for automatically determining the electrical resistances of the resistance sensors, using every possible combination of a two-lead, three-lead, and four-lead measurement, in order to be able to detect a defective resistance sensor.
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