Direct acting indicating analogue electrical-measuring instruments and their accessories - Part 9: Recommended test methods (IEC 60051-9:1988/A2:1995); German version EN 60051-9:1989/A2:1995— 3 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories -- Part 1: Definitions and general requirements common to all parts ( IEC 60051-1:2016) (english version)
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 2: Special requirements for ammeters and voltmeters (IEC 85/555/CDV:2016); German version prEN 60051-2:2016
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 3: Special requirements for wattmeters and varmeters (IEC 85/556/CDV:2016); German version prEN 60051-3:2016
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 3: Special requirements for wattmeters and varmeters (IEC 60051-3:1984/A1:1994); German version EN 60051-3:1989/A1:1995— 3 стр.
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 4: Special requirements for frequency meters (IEC 85/557/CDV:2016); German version prEN 60051-4:2016
Direct acting indicating analogue electrical-measuring instruments and their accessories - Part 9: Recommended test methods (IEC 60051-9:1988/A1:1994); German version EN 60051-9:1989/A1:1995— 3 стр.
Surfaces for sports areas - Synthetic surfaces for outdoor and indoor sports areas - Determination of rotational friction; German version prEN 14903:2015