KS IEC 62058-21:2008

Electricity metering equipment (AC) - Acceptance inspection Part 21: Particular requirements for electromechanical meters for active energy (classes 0,5, 1 and 2).

Specifies 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.