Turck FCS-K20-AP8X Flow Sensor – Immersion Sensor with Integrated Processor, Flow sensor for gaseous media, Calorimetric principle, Adjustment via potentiometer, Mounting flange, plastic, included, 3?wire DC, 19.2…28.8 VDC, NO contact, PNP output, Cable device, Cable length (L) 2 m, Status display via 2-color LED, Plastic sensor housing