Concept for testing a pressure sensor and a nozzle

A device for testing a pressure sensor having a pressure-sensitive region includes a fixture for a pressure sensor designed to receive the pressure sensor, a nozzle designed to generate a gas flow interacting with the pressure-sensitive region of the pressure sensor and positioned so close to the fi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Reinwald, Franz, Zerlauth, Stefan
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A device for testing a pressure sensor having a pressure-sensitive region includes a fixture for a pressure sensor designed to receive the pressure sensor, a nozzle designed to generate a gas flow interacting with the pressure-sensitive region of the pressure sensor and positioned so close to the fixture such that the nozzle does not contact the pressure-sensitive region of the pressure sensor and a predefined portion of the pressure-sensitive region experiences an increased or decreased pressure relative to ambient pressure which is constant within a deviation of 10% relative to a pressure mean value, and a measurer designed to measure an electrical signal received by the pressure sensor.