831-3739, Pepperl + Fuchs, Pepperl + Fuchs Inductive Threaded Barrel Proximity Sensor, M18, 8 mm Detection, 2-Wire NO, 5 → 30 V dc Pepperl + Fuchs Inductive Threaded Barrel Proximity Sensor, M18, 8 mm Detection, 2-Wire NO, 5 → 30 V dc