Two Wire ac Nickel plated brass or St. Steel housing with PBT sensing face. LED indication Embeddable IP67 Operating temperature range -25 → +70°C EN60947-5-2 Short circuit and reverse polarity protection Sensing Distances (mm) Body Thread Mild Steel Copper Aluminium Stainless Steel M8 1.5 0.24 0.3 0.97 M12 2 0.2 0.3 1.3 M18 5 0.75 1 3.1 M30 10 2.6 2.9 7.1 Pepperl + Fuchs