
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:National Standards Authority of Ireland

专家解读视频
Covers performance requirements for Group 1 portable, transportable and fixed apparatus for the detection and measurement of methane concentrations in mine air up to 100% (v/v).
SS EN 50056 Ed. 2 (1998) - Identical
UNE EN 50056:1999 - Identical
BS EN 50056:1999 - Identical
DIN EN 50056 (1999-07) - Identical
NF EN 50056:1992 - Identical