Freely adjustable flow sensor of the FCST series, monitoring of the flow velocity, relay output 24 VDC NO, operating voltage 19.2.28.8 VDC, immersion sensor, thermodynamic working principle, flow monitoring, switching point freely adjustable, setting via potentiometer, visual display via LED strip, relay switching output, 24 VDC NO, switching point freely adjustable, freely adjustable sensor unit, plug-in installation via adapter, screw-in adapter M18 x 1.5