Brass Analog Flanged Water Flow Meter with Pulse Output, Size: 0.5 - 2 Inch
Amazon.co.jp: Oval Flow Meter EggsDELTAII R Screw for Liquids *No cancellation or returns (4 mm, with output (analog output + correction pulse output + upper and lower limit): External power supply (12 -
Interfacing a Pulse-Output Flow Sensor with the PLC (YF-S201 as an example)