Instrument Society of America
Contributions in the toolbox
- 1945
Founded; begins standardizing how instrument performance including rangeability is specified.
→ Flow-Meter Turndown Ratio - 1977
RP31.1 recommended practice for turbine flowmeter specification and turndown reporting.
→ Flow-Meter Turndown Ratio - 1977
Publishes ISA S75.01 standardizing control-valve sizing equations.
→ Valve Sizing (Cv) — Liquid