For SIL 2 Safety Instrumented Systems

Nov. 15, 2012

Emerson Process Management”s Rosemount 5300 Guided Wave Radar (GWR)level transmitters are designed for SIL 2 safety instrumented systems. Followingsuccessful third-party evaluation, the radar level transmitters now …

Emerson Process Management”s Rosemount 5300 Guided Wave Radar (GWR)level transmitters are designed for SIL 2 safety instrumented systems. Followingsuccessful third-party evaluation, the radar level transmitters now come with therequired Failure Modes, Effects and Diagnostic Analysis (FMEDA) report for applications in oil & gas production, refining,petrochemical, chemical and power industries. The instrument was evaluated, as per hardware assessment IEC 61508, by global organization Exida. The resulting FMEDA report, with Safe Failure Fraction (SFF) over 90 percent, shows SIL 2 suitability. Asper IEC 61508 & IEC 61511, the documentation provides safetyinstrumentation engineers with the required failure data and with prooftest recommendations. With a five-year-plus proof test interval, the proof test can be co-ordinated with plant turnaround to minimize process interruption and reduce risk to personnel. The instrument is a two-wire GWR for level and interface measurements on liquids, slurries andsolids.

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