Adopts IEC 60947-5-9, Ed. 1.0 (2006) which applies to flow rate switches that sense the rate of flow of a gas, a liquid or a granular solid. These switches change their output state if a pre-set value for the speed of flow is exceeded.
AS/NZS IEC 60947.5.9:2015 history
1970AS/NZS IEC 60947.5.9:2015 Low voltage switchgear and control equipmentControl circuit equipment and switching elementsFlow switches