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Can I use the FMEDA numbers directly off the report when doing PFD calculations for Prior-Use sensors?

April 26, 2017directly doing Numbers PFD prior-use report sensors

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Can I use the FMEDA numbers directly off the report when doing PFD calculations for Prior-Use sensors?

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Prior-Use requires the end user to calculate the PFD (inverse of the MTBF) for a given sensor in a given application. The PFD numbers in a FMEDA are not meant to be used directly. They are there as a conservative estimate for you to use to validate your MTBF calculation.