Half Price Standard Code

Safety Instrumented Functions (SIF) – Safety Integrity Level (SIL) Evaluation Techniques Part 4: Determining the SIL of a SIF via Markov Analysis
standard by The International Society of Automation, 06/17/2002

Compatibility of Analog Signals for Electronic Industrial Process Instruments
standard by The International Society of Automation, 11/27/2002

Environmental Conditions for Process Measurement & Control Systems: Power
standard by The International Society of Automation, 04/01/1991

Functional Requirements Documentation for Control Software Applications
standard by The International Society of Automation, 10/29/2007

Common Network Management: Concepts and Terminology
standard by The International Society of Automation, 03/10/2017

Electrical Apparatus for Use in Zone 20, Zone 21 and Zone 22 Hazardous (Classified) Locations – Classification of Zone 20, Zone 21 and Zone 22 Hazardous (Classified) Locations (Formerly ISA 12.10.05-2004)
standard by The International Society of Automation, 08/31/2004

Safety Instrumented Functions (SIF) – Safety Integrity Level (SIL) Evaluation Techniques Part 5: Determining the PFD of SIS Logic Solvers via Markov Analysis
standard by The International Society of Automation, 06/17/2002

Systematic Failures in Safety Systems: Some Observations on the ISA-S84 Standard
standard by The International Society of Automation, 01/01/1997

Installation, Operation, Maintenance Instructions for Glass Tube Variable Area Meters, Rotameters : ISA Standard RP16.5
standard by The International Society of Automation, 04/01/1961

Backhaul Architecture Model: Secured Connectivity Over Untrusted or Trusted Networks
standard by The International Society of Automation, 10/29/2012