It has the status of a horizontal standard in accordance with IEC Guide 108.
IEC 60050-300 Ed. 1.0 b:2001
$240.00
International Electrotechnical Vocabulary (IEV) – Part 300: Electrical and electronic measurements and measuring instruments – Part 311: General terms relating to measurements – Part 312: General terms relating to electrical measurements – Part 313: Types of electrical measuring instruments – Part 3