With an additional ceramic coating, these sensors are resistant to metal splashes, slag and combustion residues. And they perform with the highest precision in every application. Dimensions=Ø 8 x 66 mm, design=M8x1, installation=quasi flush, range=3 mm, switching output=PNP normally open (NO), switching frequency=1000 Hz, housing material=brass, surface protection=chrome-plated, active surface, material=ceramic coated, connection=plug connector, M12x1 plug, 4-pin, operating voltage Ub=10...30 VDC, ambient temperature=-25...70 °C, protection class=IP67, approval/conformity=CEEACWEEE