The Omron E2BM18LS08WPC12MOMI is an M18 threaded inductive proximity sensor from the E2B series, built for flush mounting into metal. It detects ferrous targets up to 8 mm away and switches an NPN normally-open output at up to 500 Hz. Rated IP67, the brass housing and 2-meter cable hold up to washdown and coolant spray out here in the grease — it'll survive the route on a machine tool or conveyor line.
The 8 mm sensing distance is the rated range for a flush-mounted M18 sensor against a standard steel target. Flush mount means the face can be level with the mounting surface — no extra standoff needed — so it fits into tapped holes or brackets where space is tight. The 500 Hz switching frequency is fast enough to count parts on a moderate-speed line or detect shaft rotation without missing pulses. Output is NPN normally open, meaning the load (PLC input, relay) connects between the output and the positive supply; the sensor switches the load to ground when a target is present. Maximum load current is 200 mA, enough for a single PLC input or a small relay coil directly. Operating voltage range is 10 to 30 VDC, so it works on common 12 V or 24 V control supplies. Current consumption is just 10 mA — negligible on a backplane or terminal block. The IP67 rating means the sensor body and cable entry are sealed against dust and temporary immersion, good for washdown zones and outdoor conveyor sections.