Turck FCS-GL1/2A4-NAEX0/A Flow Sensor – Immersion Sensor without Integrated Processor, ATEX category II 1/2 G, Ex-zone 0, ATEX category II 1 D, Ex zone 20, Intrinsically safe flow sensor for gaseous media, Calorimetric principle, Adjustment via intrinsically safe processor, Status indicated via LED chain on signal processor, Cable device, 4-wire connection to an Ex0 processor, Cable length (L) 2 m