UNE-EN 61987-1:2007 Industrial-process measurement and control - Data structures and elements in process equipment catalogues -- Part 1: Measuring equipment with analogue and digital output (IEC 61987-1:2006). (Endorsed by AENOR in June of 2007.)
2007UNE-EN 61987-1:2007 Industrial-process measurement and control - Data structures and elements in process equipment catalogues -- Part 1: Measuring equipment with analogue and digital output (IEC 61987-1:2006). (Endorsed by AENOR in June of 2007.)