Instrumentation is the ability to control a process by measuring the value or the parameters set for the process. This can include control, flow, level, pressure and temperature.

Instrumentation & Controls standards

API Standards

• API RP 521 - Guides for Pressure Relief and Depression Systems
• API RP 550 - Manual on Instrumentation of Refinery Instruments and Control Systems
• API RP 551 - Process Measurement Instrumentation
• API RP 552 - Transmission Systems
• API RP 554 - Process Instruments and Controls
• API RP 598 - Valve Inspection and Testing

ISA Standards

• ISA 5 - Documentation of Measurement, and Control Instruments and Systems
• ISA 5.1 - Instrimentation Symbols and Identification
• ISA 12 - Electrical Equipment for Hazardous Locations
• ISA 18 - Instrument Signals and Alarms
• ISA 37 - Instrument Transducers
• ISA 50 - Signal Compatibility of Electrical Instruments
• ISA 60 - Control Centers
• ISA 75 - Control Valve Standards
• ISA 82 - Electrical and Electronic Instrumentation
• ISA 90 - Instrumentation and Computer Grounding
• ISA 91 - Criticality Ranking for Instrumentation
• ISA 99 - Industrial Automation and Control Systems Security
• ISA 100 - Wireless Systems for Automation
• ISA 101 - Human-Machine Interface
• ISA 104 - Device Integration
• ISA 106 - Process Automation for Continuous Process Operations
• ISA 107 - Advanced Measurement Techniques for Gas Turbine Engines
• ISA 108 - Intelligent Device Management

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