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Electrical apparatus for the detection and measurement of flammable gases - General requirements and test methods. Original standard BS EN 61779-1-2000 (2004) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Electrical apparatus for the detection and measurement of flammable gases - Performance requirements for group I apparatus indicating a volume fraction up to 5% methane in the air. Original standard BS EN 61779-2-2000 in PDF full version. Additional info + preview on request

Document status: Replaced by

Electrical apparatus for the detection and measurement of flammable gases - Performance requirements for group I apparatus indicating a volume fraction up to 100% methane in air. Original standard BS EN 61779-3-2000 in PDF full version. Additional info + preview on request

Document status: Replaced by

Electrical apparatus for the detection and measurement of flammable gases - Performance requirements for group II apparatus indicating a volume fraction up to 100% lower explosive limit. Original standard BS EN 61779-4-2000 in PDF full version. Additional info + preview on request

Document status: Replaced by

Electrical apparatus for the detection and measurement of flammable gases - Performance requirements for group II apparatus indicating a volume fraction up to 100% gas. Original standard BS EN 61779-5-2000 in PDF full version. Additional info + preview on request

Document status: Replaced by

Industrial communication networks. Profiles - Functional safety fieldbuses. Additional specifications for CPF 1. Original standard BS EN 61784-3-1-2010 in PDF full version. Additional info + preview on request

Document status: Active