Half Price Standard Code

Field device tool (FDT) interface specification – Part 1: Overview and guidanc
standard by The International Society of Automation, 05/31/2011

Electrical Apparatus for Use in Class I, Zone 0 Hazardous (Classified) Locations
standard by The International Society of Automation, 2011

Performance Requirements for Open Path Toxic Gas Detectors
standard by The International Society of Automation, 09/08/2014

Electrical Apparatus for Use in Class I, Zone 2 Hazardous (Classified) Locations: Type of Protection “n”
standard by The International Society of Automation, 07/17/2009

Automation Systems in the Process Industry – Factory Acceptance Test (FAT), Site Acceptance Test (SAT), and Site Integration Test (SIT)
standard by The International Society of Automation, 01/01/2011

Functional Safety – Safety Instrumented Systems for the Process Industry Sector – Part 3: Guidance for the determination of the required safety integrity levels (IEC 61511-3:2016, IDT)
standard by The International Society of Automation, 07/11/2018

Safety Instrumented Functions (SIF) – Safety Integrity Level (SIL) Evaluation Techniques Part 1: Introduction
standard by The International Society of Automation, 06/17/2002

Considerations for Evaluting Control Valve Cavitation
standard by The International Society of Automation, 04/01/1995

Procedure Automation for Continuous Process Operations – Work Processes
standard by The International Society of Automation, 05/03/2017

Explosive Atmospheres – Part 29-1: Gas detectors – Performance requirements of detectors for flammable gases
standard by The International Society of Automation, 06/26/2013