Flow monitoring, compact inline flow sensors of the FCIC series, transistor output 24 VDC PNP NO, operating voltage 21.6.26.4 VDC, inline sensor, thermodynamic operating principle, flow monitoring of water, adjustment-free application, switching point water (on) 0.5 l/min, hysteresis (on/off) 0.05 l/min, operating voltage reverse polarity protected, transistor switching output, 24 VDC PNP NO, compact design, including screw adapter