Ships and marine technology. Specifications for gas detectors intended for use on board ships. Portable gas detectors for atmosphere testing of enclosed spaces— 18 стр.
BS EN 50402 Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of gas detection systems— 100 стр.
Ships and marine technology. Specifications for gas detectors intended for use on board ships. Portable gas detectors for atmosphere testing of enclosed spaces— 12 стр.