Direct acting indicating analogue electrical measuring instruments and their accessories, Specification for special requirements for multi-function instruments— 12 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories, Specification for special requirements for ohmmeters (impedance meters) and conductance meters— 14 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories, Specification for special requirements for phase meters, power factor meters and synchroscopes— 16 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories, Specification for special requirements for frequency meters— 14 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories, Specification for special requirements for wattmeters and varmeters— 22 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories, Specification for special requirements for ammeters and voltmeters— 18 стр.
