Proof-testing is performed to check the functionality of devices implemented within a safety loop and is mandatory to be compliant with international safety standards.
Proof Testing of Safety Instrumented Functions: A Beginners Guide (Part 2) - ESC
What is a Test Plan: Importance, Components, How to create Test Plan
Example optimal proof testing for classical failure model with PTC
What is Proof Testing and Why Does it Matter? - Interface
Portable Proof Load Test Tool, Aerospace Bearing Tool
Water Proof Testing – Concordia International Co.,Ltd.
Credit for Partial Stroke Tests in Verification Process
The Turing Test: What Is It, What Can Pass It, and Limitations
Remote Partial Proof Testing Level Sensors