
Alternating-current watt-hour meters (for direct connection) Part 2: Measuring instruments used in transaction or certification
出版:Japanese Standards Association

专家解读视频
This Japanese Industrial Standard specifies the induction type and the electronic normal watt-hour meters which are used for measurement in transaction or certification in Japan, and used independently without combining with an instrument transformer, in single-phase two-wire system, single-phase three-wire system, three-phase three-wire system and three-phase four-wire system circuits.
Supersedes JIS C1211. (04/2009)