
Electricity Metering Equipment (a.c.) - Acceptance Inspection Part 21: Particular Requirements for Electromechanical Meters for Active Energy (classes 0,5, 1 and 2 and Class Indexes a and b)
出版:National Standards Authority of Ireland

專家解讀視頻
Defines particular requirements for acceptance inspection of newly manufactured direct connected or transformer operated electromechanical meters for active energy (classes 0,5, 1 and 2) delivered in lots in quantities above 50.