
ALTERNATING CURRENT STATIC VAR-HOUR METERS FOR REACTIVE ENERGY (CLASSES 2 AND 3)
出版:International Electrotechnical Committee

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 45 Hz and 65 Hz for type testing only.
I.S. EN 61268:1999 - Identical
NEN 11268 : 1996 - Identical
DIN EN 61268 : 1996 - Identical
CEI EN 61268 : 1ED 1998 - Identical