Probability Of Dangerous Failure Pfhd; Mean Time To Dangerous Failure Mttf D - Honeywell TC Series Technical Information
Tightness controls, adjustable test period which can be adapted to different systems, adjustable test instant allows quick system start, maximum safety thanks to self-monitoring electronics
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Glossary
10 . 7 Probability of dangerous failure PFH
Value describing the likelihood of dangerous failure per
hour of a component for high demand mode or con-
tinuous mode. Unit: 1/h
see EN 13611/A2
10 .8 Mean time to dangerous failure MTTF
Expectation of the mean time to dangerous failure
see EN ISO 13849-1
TC · Edition 08.17
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