Revised
Applies to direct indicating electrical measuring instruments having analogue display, such as: ammeters, voltmeters, wattmeters, varmeters, phasemeters, frequency meters, synchroscopes and ohmmeters. Also applies to certain accessories used with such apparatus, e.g., shunts, series resistors and impedance elements.
                WITHDRAWN
                                    IEC 60051-1:1984 ED4
                            
                WITHDRAWN
                                    IEC 60051-1:1984/AMD1:1994 ED4
                            
                WITHDRAWN
                                    IEC 60051-1:1984/AMD2:1995 ED4
                            
                    WITHDRAWN
                    IEC 60051-1:1997 ED5
                    99.60
                                        Withdrawal effective
                    Feb 3, 2016
                
                PUBLISHED
                                    IEC 60051-1:2016 ED6