anx_V__cpt_3__cpt_5__cpt_2
5.2. The display of the total energy shall have a sufficient number of digits to ensure that when the meter is operated for 4000 hours at full load (I = I_(max), U = U_(n) and PF = 1) the indication does not return to its initial value and shall not be able to be reset during use.
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Source: EUR-Lex (Cellar) · retrieved 2026-11-06 · Text as adopted (Official Journal); later amendments are not incorporated in this text.