The marks used across the catalogue: what each standard means and which products it applies to.
National standards
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DSTU EN IEC 62053-21
Active energy meters, accuracy classes 1 and 2.
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DSTU EN IEC 62053-22
Active energy meters, accuracy classes 0.2S and 0.5S.
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DSTU EN IEC 62053-23
Reactive energy meters, accuracy classes 2 and 3.
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DSTU EN ISO 4064
Water meters for cold potable and hot water.
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DSTU EN 1434
Heat meters.
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DSTU EN 61869-2
Current instrument transformers.
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DSTU EN 13757-4
Wireless meter data exchange (wM-Bus).
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GOST 22266
Terminal mounting blocks.
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GOST 3778
Lead (sealing material).
International standards
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EN 50065-1
Signalling on low-voltage electrical installations (PLC).
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IEC 62056-21 mode C
Local data exchange protocol over the optical interface.
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IDIS
Interoperability specifications for meters from different vendors.
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DLMS/COSEM
International metering data exchange standard.
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G3-PLC
Open power line communication standard.
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ASTA / Intertek
Type testing carried out in the United Kingdom.
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RED-DA
EU Radio Equipment Directive (delegated act).
Company certifications
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ISO 9001:2015
Quality management system.
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ISO 14001:2015
Environmental management system.
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ISO 27001:2022
Information security management system.
