BS EN 50056:1991
$86.31
Specification for electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group I apparatus indicating up to 100 % (V/V) methane
Published By | Publication Date | Number of Pages |
BSI | 1991 | 12 |
Performance requirements for portable, transportable and fixed apparatus for the detection and measurement of combustible gas or vapour concentrations with air.