DS DS/EN 62058-21
DS DSEN 62058-21 2010-JUL-27 Electrcty meterng equpment ac - Acceptance nspecton - Part 21 Partcular requrements for electromechancal meters for actve energy classes 05 1 and 2 and class ndexes A and B
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IEC 62058-21:2008 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. The method of acceptance of smaller lots should be agreed upon by the manufacturer and the customer.