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EVS-EN IEC 60051-4:2021

Otsetoimelised elektrilised analoog-näitmõõteriistad ja nende lisaseadised. Osa 4: Erinõuded sagedusmõõturitele

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Kehtiv alates 17.05.2021
Alusdokumendid
IEC 60051-4:2018; EN IEC 60051-4:2021
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
17.05.2021
Põhitekst
01.04.2001
Põhitekst
IEC 60051-4:2018 applies to direct acting indicating analogue frequency meters of the following types: • pointer-type frequency meters (as defined in 3.2.11 of IEC 60051-1:2016); • vibrating-reed frequency meters (as defined in 3.2.12 of IEC 60051-1:2016). IEC 60051-4:2018 also applies to non-interchangeable accessories (as defined in 3.1.23 of IEC 60051-1:2016) used with frequency meters. IEC 60051-4:2018 cancels and replaces the fourth edition published in 1984. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) updating of content in line with new editions of IEC 60051-1 and IEC 60051-9; b) addition of Annex A to specify the nonconformity classification of test items. IEC 60051-4:2018  is to be used in conjunction with IEC 60051-1:2016.
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