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Corrigendum 1 - Instrument transformers - Part 5- Additional requirements for capacitor voltage transformers. IEC 61869-5:2011-07/COR1:2015-08(en-fr). Original standard IEC 61869-5-2011 cor1-2015 in PDF full version. Additional info + preview on request

Document status: Active

Instrument transformers - Part 6- Additional general requirements for low-power instrument transformers. IEC 61869-6:2016-04(en-fr). Original standard IEC 61869-6-2016 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 61869-1-2023

Instrument transformers - Part 9- Digital interface for instrument transformers. Original standard IEC 61869-9-2016 in PDF full version. Additional info + preview on request

Document status: Active

Instrument transformers - Part 99- Glossary. IEC 61869-99:2022-11(en-fr). Original standard IEC 61869-99-2022 in PDF full version. Additional info + preview on request

Document status: Active

Corrigendum 1 - Instrument transformers - Part 99- Glossary. IEC 61869-99:2022-11/COR1:2023-01(en-fr). Original standard IEC 61869-99-2022 cor1-2023 in PDF full version. Additional info + preview on request

Document status: Active

Nuclear instrumentation - Geophysical borehole instrumentation to determine rock density ('density logging'). CEI/IEC 61874:1998. Original standard IEC 61874-1998 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 61874-2025