Emerson ROSEMOUNT 5300 Especificações descarregar pdf (Página 76)

Reference Manual

00809-0600-4026, Rev BA

December 2011

Rosemount Process Radar

5-20

Failure Rate Data

The FMEDA report includes failure rates and common cause Beta factor

estimates. The full report is accessible at

www.emersonprocess.com/rosemount/safety/PriorUse.htm.

Useful Lifetime

The established failure rates of electrical components apply within the useful

lifetime, which should be based on experience. According to IEC 61508-2,

7.4.7.4, note 3, the useful lifetime often lies within a range of 8 to 12 years for

transmitters.

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Emerson ROSEMOUNT 5300 Especificações Página 76