Ultrasonic domestic gas meters Ingestion-build-264231 Information category priority to discriminate

Information category priority to discriminate between concurrent categories

BS EN IEC 60332-3-23 specifies methods of test for the vertical flame spread of vertically-mounted bunched wires or cables for higher safety

Requirements of EU Directive 2006/42/EC

- air with an oxygen content greater than normal

Ultrasonic domestic gas meters Ingestion-build-264231 Information category priority to discriminateWhat is this standard about? This European Standard specifies requirements and tests for the construction, performance and safety of class 1,0 and class 1,5 battery powered ultrasonic gas meters (hereinafter referred to as meters), having co axial single pipe, or two pipe connections, used to measure volumes of distributed fuel gases of the second and or third family, as given in EN 437, at maximum working pressures not exceeding 0,5 bar1) and maximum