National Metrological Technical Specifications of the People's Republic of China
Latest
JJF 1245.3-2019
JJF 1245.3-2019 history
2019JJF 1245.3-2019 Program of Pattern Evaluation of Fixed AC Electricity Meters—Reactive Electrical Energy Meters
2010JJF 1245.3-2010 Program of Pattern Evaluation of Electricity Meters-Particular Requirements- Static Meters for Active Energy (classes 0.2S, 0.5S, 1 and 2)