HomeBusinessCertification NewsSiemens SITRANS P500 SIL 2 certified Siemens SITRANS P500 SIL 2 certified risknowlogy 2013-09-23 Tweet Pin It Congratulations to Siemens on achieving Risknowlogy SIL 2 certification for the SITRANS P500 pressure transmitter. The transmitter is suitable to be used in IEC 61508 and IEC 61511 applications. Related Posts How to decide the proof test frequency? Risknowlogy Performs Tunnel Safety Audits Risknowlogy Introduces The Spurious Trip Level™ Concept For Safety Functions