Flow monitoring, inline sensor with integrated evaluation electronics, operating voltage 21.6.26.4 VDC, inline sensor, sensor for liquid media, calorimetric function, adjustment via potentiometer, display via LED chain, working range 0.1...6 l/min, sensor made of A4 (1.4404), mechanical connection: Tri-Clamp, temperature range: -20...80 °C, DC 4-wire, 21.6...26.4 VDC, normally open, relay output, plug device, M12 x 1