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Engineering
General Engineering
When does the calibration uncertainty contribute to a measurement uncertainty?
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[QUOTE="hutchphd, post: 6381249, member: 635497"] I think this is not a good strategy unless you have more data about the calibration. For instance there might be a systematic change (say perhaps Temperature in your example) that would shift that green line to the other side of the calibration tolerance. Unless you know that the calibration data includes the entire calibration parameter space this is not a good practice. If you need numbers better than the 2% band, it looks as though the instrument is capable of higher precision, but you would need to supply a correction factor using "controls" i.e. known outcomes. This is often done for medical diagnostic devices [/QUOTE]
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Forums
Engineering
General Engineering
When does the calibration uncertainty contribute to a measurement uncertainty?
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