DIN EN 60051-1-1999 直接作用模拟指示电测量仪表及其附件.第1部分:定义和对所有部分通用的一般要求
Direct acting indicating analogue electrical-measuring instruments and their accessories - Part 1: Definitions and general requirements common to all parts (IEC 60051-1:1997); German version EN 60051-1:1998
DIN EN 60051-1-1991DIN EN 60051-1/A1-1996DIN EN 60051-1/A2-1995DIN IEC 85/79/CDV-1997
适用范围
The document applies direct acting indicating electrical measuring instruments having an analogue display, such as: ammeters and voltmeters; wattmeters and varmeters; frequency meters of pointer and vibrvibrating-reed types; phasemeters, power-factor meters and synchronoscopes; ohmmeters, impedance meters and conductance meters; multi-function instruments of the above types. It also applies to certain accessories used with these instruments such as: shunts, series resistors and impedance elements.