ISO 3511-2:1984

Forms and extension of part 1 which is limited to identification of instrument functions. Includes additional symbols and is intended for the communication of measurement and control fuctions among instrument specialists and other engineers involved in vessels, piping, layout design and operation. The definitions given in ISO 3511-1 apply equally to this part.Messen, Steuern, Regeln in der Verfahrenstechnik; Zeichen für die funktionelle Darstellung; Teil 2: Erweiterung der Grundforderungen