
Direct Acting Indicating Analogue Electrical Measuring Instruments And Their Accessories - Part 1: Definitions And General Requirements Common To All Parts
出版:Nederlands Normalisatie Instituut

专家解读视频
Applicable to direct acting indicating electrical measuring instruments having an analogue display, such as: ammeters and voltmeters; wattmeters and varmeters; frequency meters of pointer and vibrating-reed types; phasemeters, power-factor meters and synchroscopes; ohmmeters, impedance meters and conductance meters; multi-function instruments of the above types.
Supersedes NEN 10051-1. (11/2002)