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Sick CM18-12NPP-EC1 Capacitive Sensor
The Sick CM18-12NPP-EC1 capacitive sensor features a 12 mm sensing range with M18 cylindrical housing and PNP complementary output. This model includes non-flush installation, 50 Hz switching frequency, DC 4-wire wiring, and M12 4-pin connector. It belongs to the Sick portfolio, categorized under Sick capacitive proximity sensors and part of the Sick CM series. Additional features include a potentiometer sensitivity adjustment and IP67/IP68/IP69K enclosure rating.
| Brand | Sick |
| Product Type | Capacitive Proximity Sensor |
| Product | CM18-12NPP-EC1 |
Sick CM18-12NPP-EC1 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 | Male connector M12, 4-pin |
| Switching output | PNP |
| Output function | Complementary |
| Output characteristic | Wire configurable |
| Electrical wiring | DC 4-wire |
| Adjustment | Potentiometer, 11 turns (Sensitivity) |
| Enclosure rating | IP67 IP68 2) IP69K |
| Items supplied | Mounting nut, PA12 plastic (2x) Screwdriver for potentiometer adjustment (1 x) |
The Sick CM18-12NPP-EC1 capacitive sensor is a compact detection device designed for industrial automation tasks. The model provides a 12 mm sensing range, M18 housing, and PNP complementary output. It belongs to the Sick CM series and is suitable for object and material detection across various industrial processes.
This capacitive sensor is used in conveyors, packaging equipment, assembly machines, and automated handling systems. The non-flush installation and stable switching performance support reliable detection of solids and liquids. The robust enclosure rating ensures dependable operation in demanding environments where dust, moisture, or washdowns are present.
The Sick CM18-12NPP-EC1 capacitive sensor combines a 12 mm range, potentiometer adjustment, and durable IP67/IP69K build for consistent performance. Sickβs engineering reliability and the CM series design make this model suitable for long-term applications in industrial plants, offering steady sensing output and easy integration into automation systems.

