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EN 50056 : 1998被替代

ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES - PERFORMANCE REQUIREMENTS FOR GROUP 1 APPARATUS INDICATING UP TO 100 % (V/V) METHANE

出版:European Committee for Standards - Electrical

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基本信息
標(biāo)準(zhǔn)編號(hào): EN 50056 : 1998
標(biāo)準(zhǔn)類別:Standard
出版單位:European Committee for Standards - Electrical
標(biāo)準(zhǔn)頁(yè)數(shù):0
標(biāo)準(zhǔn)簡(jiǎn)介

Describes performance requirements for Group I (as defined in European Standard EN 50054) portable, transportable and fixed apparatus for detection and measurement of methane concentrations in mine air. The apparatus, or parts thereof, are designed for use in mines susceptible to firedamp and comply with requirements and test methods specified in European Standard EN 50054. Limited to apparatus detection and measurement of volume ratios of methane in air from 0% (V/V) up to 100% (V/V).