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Certificate / Certificat Zertifikat / - Exida

Certificate / Certificat Zertifikat / - Exida

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<strong><strong>Certificat</strong>e</strong> / <strong>Certificat</strong> / <strong>Zertifikat</strong> /ROS 1107062 C001Systematic Integrity: SIL 3 CapableRandom Integrity: Type B ElementPFD AVG and Architecture Constraintsmust be verified for each applicationModel 3051 C/T/LSafety PressureTransmitter with optioncode QTRosemount, Inc.Chanhassen, MN- USASIL 3 Capability:The product has met manufacturer design process requirements of SafetyIntegrity Level (SIL) 3. These are intended to achieve sufficient integrityagainst systematic errors of design by the manufacturer.A Safety Instrumented Function (SIF) designed with this product must notbe used at a SIL level higher than stated without “prior use” justification byend user or diverse technology redundancy in the design.IEC 61508 Failure Rates in FIT*SIL Verification:®<strong>Certificat</strong>ion Services64 N Main StSellersville, PA 18960The Safety Integrity Level (SIL) of an entire Safety Instrumented Function (SIF)must be verified via a calculation of PFD AVG considering redundantarchitectures, proof test interval, proof test effectiveness, any automaticdiagnostics, average repair time and the specific failure rates of all productsincluded in the SIF. Each subsystem must be checked to assure compliancewith minimum hardware fault tolerance (HFT) requirements.•FIT = 1 failure / 10 9 hoursForm Version DateC61508 2.7-3 Mar 2011Page 2 of 2

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