Self-testing and self-calibrating detector

Details Self-testing and self-calibrating detector Self-testing and self-calibrating detector

2006-03-28

2006-03-28

Raevis, Robert (Department: 2856)

Measuring and testing

Instrument proving or calibrating

Gas or liquid analyzer

C073S001060

Reexamination Certificate

active

07017386

ABSTRACT:
A self-testing and self-calibrating detector utilizing an internally produced reference gas. A detector that is sensitive to a target analyte as well as a reference gas can be utilized. A gas releasing material, such as a heated metal hydride, releases the reference gas. The partial pressure of the reference gas is known as a temperature dependent physical property of the gas releasing material. During calibration, the material can be heated to release reference gas and a calibration measurement of the gas' partial pressure can be made and compared to an expected value. The comparison can then be utilized to calibrate the detector.

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