日本SMC数字式流量开关PF2A703H-10-29/PF3A703H-10-DS Specifications: PF2A Series For Air Digital Flow Switch High Flow Rate Type Integrated Display Type ●Integrated type and separate monitor type are available ●Switch output, accumulated pulse output, analog output ●Capable of switching back and forth between cumulative and instantaneous flow ●IP65 ●4-channel Flow Monitor   4 independent flow rate ranges can be monitored by a single controller Field Value Value Details Flow Rate Range 03 150 to 3000 L/min Thread Type - Rc Port Size 10 1 Output Specification 29 NPN Open Collector 1 Output + Analog Output (4 to 20 Ma) Lead Wire - Lead Wire With M12 Connector (3 m) Remote Sensor Unit M Fixed SI Unit Made To Order - Standard