Sick CM18-12NPP-EW1 Capacitive Sensor
The Sick CM18-12NPP-EW1 capacitive sensor uses an M18 cylindrical housing with 12 mm sensing range and PNP output detection. This Sick capacitive sensor supports non-flush installation, 50 Hz switching frequency, DC 4-wire wiring, a 2 m cable connection, adjustable sensitivity via an 11-turn potentiometer, and IP67, IP68, and IP69K enclosure ratings. It belongs to the CM18 series and is supplied with PA12 mounting nuts.
| Brand | Sick |
| Product Type | Capacitive Proximity Sensor |
| Product | CM18-12NPP-EW1 |
Sick CM18-12NPP-EW1 Capacitive Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Housing | Cylindrical thread design |
| Thread size | M18 x 1 |
| Diameter | Γ 18 mm |
| Sensing range Sn | 0 mm ... 12 mm |
| Safe sensing range Sa | 9.18 mm 1) |
| Installation type | Non-flush |
| Switching frequency | 50 Hz |
| Connection type | 2M Cable |
| Switching output | PNP |
| Output function | Complementary |
| Output characteristic | Wire configurable |
| Electrical wiring | DC 4-wire |
| Adjustment | Potentiometer, 11 turns (Sensitivity) |
| Enclosure rating | IP67 IP68 3) IP69K |
| Items supplied | Mounting nut, PA12 plastic (2x) |
The CM18-12NPP-EW1 Sick M18 Capacitive Sensor is designed for reliable object detection in industrial automation environments. The CM18-12NPP-EW1 operates with a 12 mm sensing range, PNP complementary output, and DC 4-wire electrical wiring. This model features an M18 threaded cylindrical housing with non-flush installation and sensitivity adjustment using an 11-turn potentiometer. It belongs to the CM18 series and is widely used in industrial automation systems.
In industrial applications, the CM18-12NPP-EW1 Sick M18 Capacitive Sensor is used in conveyors, packaging machinery, automated assembly lines, and material handling equipment. It supports stable detection where mechanical contact is not suitable. The non-flush mounting design allows flexible installation, while the PNP output provides consistent signal transmission to PLC and control systems during continuous operation.
The Sick CM18-12NPP-EW1 capacitive sensor delivers dependable performance through its M18 housing, high enclosure protection up to IP69K, and wire-configurable output characteristics. The CM18-12NPP-EW1 is suitable for long-term industrial use where electrical stability and environmental resistance are required. Manufactured to Sick standards, this capacitive sensor integrates reliably into industrial sensing and control architectures.

