Formerly S51.1-1979(R1993). Provides guidance for vendor/user understanding when referring to product specifications, performance, and operating conditions. It is primarily intended to cover the field of analog measurement and control concepts and makes no effort to develop terminology in the field of digital measurement and control. Includes many specialized terms used in the industrial process industries to describe the use, performance, operating influences, hardware, and product qualification of the instrumentation and instrument systems for measurement, control, or both.
