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Electrical apparatus for the detection and measurement of combustible gases. General requirements and test methods. Original standard BS EN 50054-1999 in PDF full version. Additional info + preview on request

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Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group I apparatus indicating up to 5 % (V/V) methane in air. Original standard BS EN 50055-1999 in PDF full version. Additional info + preview on request

Document status: Replaced by

Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group I apparatus indicating up to 100% (V/V) methane in air. Original standard BS EN 50056-1999 in PDF full version. Additional info + preview on request

Document status: Replaced by

Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group II apparatus indicating up to 100% lower explosive limit. Original standard BS EN 50057-1999 in PDF full version. Additional info + preview on request

Document status: Replaced by

Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group II apparatus indicating up to 100% (V/V) gas. Original standard BS EN 50058-1999 in PDF full version. Additional info + preview on request

Document status: Replaced by

Hand-held electrostatic application equipment for non-ignitable liquid coating materials. Safety requirements. Original standard BS EN 50059-2025 in PDF full version. Additional info + preview on request

Document status: Active