IFM electronic IE5320 Inductive sensor; M8 x 1 / L = 50 mm; Sensing range 1 mm flush mountable; normally open / normally closed; (selectable); DC; PNP/NPN; 0.14 m PUR / PVC-Cable; IP 67; 2-wire; Ambient temperature -25...80 °C; Switching frequency 2000 Hz