ISA 20 – Specification Forms for Process Measurement & Control Instruments, Primary Elements & Control Valves
Formerly S20-1981. Provides forms (checklist) to promote uniformity in instrument specification, both in content and form, by listing and providing space for all principal descriptive options, supplying terminology, and facilitating quoting, purchasing, receiving, accounting, and ordering procedures.
ISA S20-Electronic is a separately available software program that automates the ISA-S20 standard for instrument specification sheets.
