Compressed breathing air is subject to strict limits of harmful contaminants defined in European standard EN 12021 and various defence standards such as DEF STAN 68-284 issue 3. The testing interval of breathing air compressors and associated equipment is 3 months and gases tested include carbon monoxide, carbon dioxide and oil vapour defined as hexane and heavier hydrocarbons. EN 12021 covers underwater applications including self-contained open circuit compressed gas breathing (SCUBA) and compressed gas line...
By Gasmet Technologies Oy based in Helsinki, FINLAND.
Fast, accurate and reliable measurement of CH4. The extraction of coal releases methane gas, which can mix with the air in a mine to form a hazard due to its flammability. Ventilation with fresh air from the surface is used to dilute the methane and reduce the risk of explosion. Monitoring of the methane content of the stale air exiting the mine allows the amount of ventilation to be controlled. Although our sensors are not ATEX approved for use in potentially explosive atmospheres they are suitable for...
By Edinburgh Sensors Ltd based in Livingston, UNITED KINGDOM.
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