API 551 - Process Measurement Instrumentation
API 554 - Process Instrumentation and Control
API 540 & API 14 F - Electrical
API RP 14C Recommended Practice for Basic Surface Safety Systems for Offshore
API-553-Refinery Control Valves
API 520 PT1&2-Sizing, Selection, and Installation of Pressure-Relieving Devices
API MPMS Ch 10 Oil/Water Measurement
API 556 Instr and Control Fire Heaters and Steam Gen
API 598 Valve inspection and Testing
API 576 RP- Inspection of Pressure-Relieving Devices,
API RP 16E Control sys for Drilling Wells
API 555_01Process Analyzers
API RP 552 _94 Transmission Systems
MPMS 21.2_98
MPMS 14.3.2
MPMS 05.8 Meas.Liq.HC by USM using Transit time
MPMS 05.5_82API 598 VALVE INSPECTION AND TESTING
API RP 557 Guide to Advanced Control Systems
API MPMS 7.2 Temperature Measurements