DS DS/EN 50194
DS DSEN 50194 2000-JUN-23 Electrcal apparatus for the detecton of combustble gases n domestc premses - Test methods and performance requrements Replaced by DS DSFprEN 50194-1
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This Standard specifies general requirements for the construction, testing and performance of electrically operated, apparatus for the detection of combustible gasses, designed for continuous operation in a fixed installation in domestic premises. The apparatus may be mains or battery powered.