Part 21: Static meters for AC active energy (classes 0,5, 1 and 2)
(IEC 62053-21:2020); German version EN IEC 62053-21:2021 + A11:2021 Class/Status:
VDE Art. No.: 0400581
This part of IEC 62053 applies only to static watt-hour meters of accuracy classes 0,5, 1 and 2 for the measurement of alternating current electrical active energy in 50 Hz or 60 Hz networks and it applies to their type tests only.
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