Plant Hazard Analysis and Safety Instrumentation Systems

2.0. Certification and Proof Testing

Certification and proof testing are two important steps in the safety life cycle process. In the first part, discussions will be on various issues related to certification. In the other part, the discussion will be on proof testing methods and proof test intervals.

2.1. Certification (By Third Party)

Certification is mainly concerned with the reliability of functional safety and associated testing and certification of the product for SIL. Normative standards establish minimum requirements for the design, testing, and performance of these safety devices necessary to maintain protection of personnel, property, and the environment already discussed. These standards provide specifications to address safety and