Patent · US Active

Method for determining a characteristic of a sensor arrangement

US7558691B2 · kind B2 · utility

1Cited by

2References

15Claims

0Family size

Assignee

ABB AG · US

Inventors

Harald U. Mueller · Fulda, DE
Paul Szasz · Heidelberg, DE
Ralf Huck · Großkrotzenburg, DE
Tilo Merlin · Gelnhausen, DE
Steffen Keller · Konstanz, DE

Key dates

Filing date	Aug 28, 2007
Grant date	Jul 7, 2009
Priority date	—
Expiry date	Aug 28, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG01K15/007
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method is disclosed for determining a characteristic of a sensor arrangement having at least one measuring sensor and at least one reference sensor for recording the same physical variable, and having an analysis unit electrically connected thereto. The characteristic is determined from measured values of the at least one measuring sensor and of the at least one reference sensor. It is proposed to record a characteristic point during continuous measurement operation, starting with the first time the sensor arrangement is put into operation, when a definable measurement point is reached in a process for the first time, if the changes in measured value in the variation over time of the at least one measuring sensor and in the variation over time of the at least one reference sensor remain within a definable tolerance band within a definable time interval.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.