Aventics AF2 air flow sensor. Source: EmersonEmerson has launched a new air flow sensor that helps prevent energy losses in factories. By continuously monitoring air consumption in pneumatic systems with the Aventics AF2 series of flow sensors, operators can identify leaks quickly and intervene to repair equipment and avoid costly breakdowns and wasted energy.

AF2 sensors facilitate compliance with standards for energy management systems like DIN ISO 50001, which defines a process for achieving continual improvement in energy performance.

The sensors feature network connectivity for central monitoring in automated factories, reporting actionable data as a node in the industrial internet of things. They are also equipped with organic light-emitting diode displays for local readout of operating parameters, which include flow pressure and temperature in addition to volumetric flow rate.

Communication capabilities include IO-Link or a variety of direct outputs such as NO or NC switch, analog 4 to 20 mA, frequency or pulse. Communication is also available over Ethernet including compatibility with industry 4.0 protocols like Open Platform Communications Unified Architecture and Message Queuing Telemetry Transport.

AF2 sensors operate with air temperatures in the range of -20° C to 60° C, at pressures ranging from 0 to 16 bar. They measure flow in the range of 5 L/min to 4,326 L/min with an accuracy of ± 3% of the measured value plus 0.3% of the full scale value, and a repeatability of ± 1.5% of the measured value. Flow rates up to 6,490 L/min can be measured at reduced accuracy. Protection is available up to IP67.

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