UNE EN 50058:1999被替代
Electrical Apparatus For The Detection And Measurement Of Combustible Gases - Performance Requirements For Group 2 Apparatus Indicating Up To 100% (v/v) Gas
出版：Asociacion Espanola de Normalizacion
專家解讀視頻
Describes performance requirements for Group II (as defined in European Standard EN 50054) portable, transportable and fixed apparatus for detection and measurement of combustible gas or vapour concentrations with air. The apparatus, or parts thereof, may be used in potentially explosive atmospheres, other than mines susceptible to firedamp (ie. Group I). General requirements and test methods applicable to apparatus covered by this European Standard are given in European Standard EN 50054. Limited to apparatus designed for detection and measurement of volume ratios of combustible gas or vapour in air from 0% (V/V) to 100% (V/V).
SS EN 50058 Ed. 2 (1998) - Identical
I.S. EN 50058:1998 - Identical
BS EN 50058:1999 - Identical
DIN EN 50058 (1999-07) - Identical
NF EN 50058:1992 - Identical
