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MTBF - Mean Time Between Failures
MTBF or mean time between failures is a theoretically calculated value which considers all the components used in the construction of a pressure sensor. It may also be a statistically calculated value derived from real operational data collected from a sufficient number of the same pressure sensor.
There is a standardise procedure that engineers use to determine the MTBF value which allows users to compare pressure sensors and determine which is likely to be the most reliable.
The actual in-service MTBF may differ considerably from the theoretical MTBF since the formula for calculating MTBF cannot consider all the variables that the product will be exposed to, in any particular application, over its service life.
Since an in-service derived MTBF is specific to a particular application, the theoretical MTBF calculation is more appropriate for a fair comparison between two different pressure sensors.
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