Turck FCI-D15A4P-2ARX-H1160/D209 Flow Sensor – Inline Sensor with Integrated Processor, Relay Output 24 VDC NO, Compact inline flow sensor, Calorimetric principle, Monitoring of flow rate, Monitoring of the medium temperature, For water-glycol mixtures and HT110/135 Galden fluid, Parametrized via button, Protected by software code, , 2 relay switching outputs, Switching outputs 24 VDC NO, Switchpoints freely adjustable, Operating range 3.8…38 l/min