July 2018

Systematic Safety Integrity; what you need to know.

By |2019-07-24T16:23:40-04:00July 6th, 2018|Kevin Mitchell, News, Safety Instrumented System, Services, Vertigo|

There's a lot of confusion about Systematic Safety Integrity in new IEC61511.  We are starting to [...]

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January 2018

October 2017

Derivation of PFD Equations for SIL Verification

By |2019-07-24T16:23:43-04:00October 12th, 2017|Arbor, Author, Edward M. Marszal, News, Products, Safety Instrumented System, Services, Vertigo|

Have you ever wondered where the equations that are used to calculate probability of failure [...]

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July 2017

July 2016

Unavailability Simplified Equation Derivation

By |2019-07-24T16:23:49-04:00July 22nd, 2016|Author, Edward M. Marszal, Safety Instrumented System, Vertigo|

The process of safety integrity level (SIL) verification requires calculation of probability of failure on [...]

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June 2016

China University of Petroleum Licenses Effigy and Vertigo

By |2019-07-24T16:23:49-04:00June 13th, 2016|Author, Edward M. Marszal, Effigy, News, Training, Vertigo|

The China University of Petroleum and Kenexis has signed licensing agreements that will allow the [...]

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April 2016

April 2015