
Alternating Current Static Var-hour Meters For Reactive Energy (classes 2 And 3)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Refers only to newly manufactured static var-hour meters of accuracy classes 2 and 3 for measuring alternating current electrical reactive energy in frequency range 45Hz and 65Hz, for type testing only.
VDE 0418-20:1996 - Identical
NF EN 61268:1996 - Identical
SN EN 61268:1996 - Identical
BS EN 61268:1996 - Identical
IEC 61268 Ed. 1.0 - Identical
I.S. EN 61268:1999 - Identical
UNE EN 61268:1996 - Identical
SS EN 61268 Ed. 1 (1996) - Identical