Hydrogen detection apparatus. Stationary applications Ingestion-build-159183 used or released by the

used or released by the equipment

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Hydrogen detection apparatus. Stationary applications Ingestion-build-159183 used or released by the1 Scope This International Standard defines the performance requirements and test methods of hydrogen detection apparatus that is designed to measure and monitor hydrogen concentrations in stationary applications. The provisions in this International Standard cover the hydrogen detection apparatus used to achieve the single and or multilevel safety operations, such as nitrogen purging or ventilation and or system shut off corresponding to the hydrogen