Partial Stroke Testing Device (PSD) in SIS Final Control Element
Installing a Partial stroke testing device (PSD) in the SIS final control element helps to improve the Proof test requirements.
Installing a Partial stroke testing device (PSD) in the SIS final control element helps to improve the Proof test requirements.
Proof testing is very critical to ensure all SIS Sensors. Logic solver & Final control elements are functioning healthily as designed.
A reliability enhancing technique related to preventive maintenance of critical instruments and functions, but generally not as expensive as component