專家解讀視頻
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.
INDICE DE CLASSEMENT: C44112
I.S. EN 61268:1999 - Identical
UNE EN 61268:1996 - Identical
SS EN 61268 Ed. 1 (1996) - Identical
SN EN 61268:1996 - Identical
BS EN 61268:1996 - Identical
DIN EN 61268 (1996-11) - Identical
