Turck FTCI-3/4D15A4P-2UP8X-H1141 Flow Sensor – Inline Sensor with Integrated Processor, Compact inline flow sensor, Calorimetric principle, Monitoring of flow rate, Monitoring of the medium temperature, For water/glycol mix, Parametrized via button, Protected by software code, DC 4-wire, PNP outputs, NO/NC programmable