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Electrical apparatus for the detection and measurement of flammable gases - Part 2- Performance requirements for group I apparatus indicating a volume fraction up to 5 % methane in air. IEC 61779-2:1998. Original standard IEC 61779-2-1998 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60079-29-0-2025

Electrical apparatus for the detection and measurement of flammable gases - Part 3- Performance requirements for group I apparatus indicating a volume fraction up to 100 % methane in air. IEC 61779-3:1998. Original standard IEC 61779-3-1998 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60079-29-0-2025

Electrical apparatus for the detection and measurement of flammable gases - Part 4- Performance requirements for group II apparatus indicating up to 100% lower explosive limit. IEC 61779-4:1998. Original standard IEC 61779-4-1998 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60079-29-0-2025

Electrical apparatus for the detection and measurement of flammable gases - Part 5- Performance requirements for group II apparatus indicating a volume fraction up to 100 % gas. IEC 61779-5:1998. Original standard IEC 61779-5-1998 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60079-29-0-2025

Electrical apparatus for the detection and measurement of flammable gases - Part 6- Guide for the selection, installation, use and maintenance of apparatus for the detection and measurement of flammable gases. IEC 61779-6:1999. Original standard IEC 61779-6-1999 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60079-29-2-2015

Industrial networks - Profiles - Part 1-0- Fieldbus profiles - General concepts and terminology. IEC 61784-1-0:2023-03(en-fr). Original standard IEC 61784-1-0-2023 in PDF full version. Additional info + preview on request

Document status: Active