GB/T 17860.1-1999 Electrical measuring instruments—X-t recorders—Part 1:Definitions and requirements

GB/T 17860.2-1999 Electrical measuring instruments—X-t recorders—Part 2:Recommended additional test methods

GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.10-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fc and guidance:Vibration (Sinusoidal) GB/T 4728.2-1998 Graphical symbols for diagrams—Part 2 Symbol elements,qualifying symbols and other symbols having general application GB 4793.1-1995 Safety requirements for electrical equipment for measurement, control, and laboratory use Part 1:General requirements GB/T 5465.2-1996 Graphical symbols for use on electrical equipment GB/T 7676.1-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 1:Definitions and general requirements common to all parts GB/T 7676.2-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 2:Special requirements for ammeters and voltmeters GB/T 7676.3-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 3:Special requirements for wattmeters and varmeters GB/T 7676.4-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 4:Special requirements for frequency meters GB/T 7676.5-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 5:Special requirements for phase meters,power factor meters and synchroscopes GB/T 7676.6-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 6:Special requirements for ohmmeters(impedance meters) and conductance meters GB/T 7676.7-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 7:Special requirements for multi-function instruments GB/T 7676.8-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 8:Special requirements for accessories GB/T 7676.9-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 9:Recommended test methods IEC 60027 IEC 60160:1963 IEC 60473:1974

IEC 61143-1:1992