# Capacitive Proximity Sensor, CM Series, M18, 12 mm, PNP, 10 to 36 Vdc, Pre-Wired

![Product image](https://novapart.co/image/farnell:2776993/)

**URL**: https://novapart.co/products/CM18-12NPP-EW1/capacitive-proximity-sensor-cm-series-m18-12-mm
**SKU**: CM18-12NPP-EW1
**Manufacturer**: SICK
**Category**: Sensors & Transducers || Sensors || Proximity Sensors / Proximity Switches || Capacitive Proximity Sensors
**Price**: €87.4000
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Description

Sensing Range Max:12mm; Thread Size - Metric:M18 x 1; Sensor Output:PNP; Supply Voltage DC Min:10V; Supply Voltage DC Max:36V; Product Range:CM Series; SVHC:No SVHC (15-Jan-2018)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Product Range | CM Series |
| Sensing Range Max | 12mm |
| Sensor Output Type | PNP |
| Sensing Distance Max | 12mm |
| Thread Size - Metric | M18 x 1 |
| Supply Voltage Dc Max | 36V |
| Supply Voltage Dc Min | 10V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2776993/)

CM18-12NPP-EW1 CM 

**CAPACITIVE PROXIMITY SENSORS** 

**CM18-12NPP-EW1 | CM** CAPACITIVE PROXIMITY SENSORS 

Ordering information **Type Part no.** CM18-12NPP-EW1 6058148 Other models and accessories www.sick.com/CM _ ~~eee~~ Illustration may differ C€ ECOLAB ¢(UL)us @: 

## Detailed technical data 

## Features 

|**Housing**|Cylindrical thread design|
|---|---|
|**Thread size**|M18 x 1|
|**Diameter**|Ø 18 mm|
|**Sensing range Sn**|3 mm ... 12 mm|
|**Safe sensing range Sa**|9.18 mm1)|
|**Installation type**|Non-flush|
|**Switching frequency**|50 Hz|
|**Connection type**|Cable, 4-wire, 2 m2)|
|**Output type**|PNP|
|**Output function**|Complementary|
|**Output characteristic**|Wire configurable|
|**Electrical wiring**|DC 4-wire|
|**Adjustment**|Potentiometer (Sensitivity)|
|**Enclosure rating**|IP68, IP69K3)|
|**Authorizations**|Ecolab, CE-conformity, cULus4)|



- 1) For flush mounting in electrically conductive materials Sa = 0.8 x Sr at temperatures <0 °C and >60 °C. 

2) Do not bend below 0 °C. 

3) 1 m water depth / 60 min. 

4) P3-topax 19, P3-topax 56, P3-topax 66, P3-topactive DES. 

## Mechanics/electronics 

**Supply voltage** 10 V DC ... 36 V DC 

1) Of Ub. 

2) At Ia max. 

- 3) Without load. 

4) Of Sr. 

- 5) Ub and Ta constant. 

- 6) +120 °C short time, at the front of the sensor. 

**Online data sheet | 2017-05-05 09:40:14 Subject to change without notice** 

**2 PROXIMITY SENSORS | SICK** 

**CM18-12NPP-EW1 | CM** CAPACITIVE PROXIMITY SENSORS 

|**Ripple**|≤ 10 %1)|
|---|---|
|**Voltage drop**|≤ 2.5 V DC2)|
|**Current consumption**|≤ 12 mA3)|
|**Time delay before availability**|≤ 200 ms|
|**Hysteresis**|3 % ... 20 %|
|**Reproducibility**|≤ 5 %4) 5)|
|**Temperature drift (of Sr)**|± 10 %|
|**EMC**|According to EN 60947-5-2|
|**Continuous current Ia**|≤ 200 mA|
|**Cable material**|PVC|
|**Conductor size**|0.34 mm²|
|**Cable diameter**|Ø 5.2 mm|
|**Short-circuit protection**|✔|
|**Reverse polarity protection**|✔|
|**Power-up pulse protection**|✔|
|**Shock and vibration resistance**|According to EN 60068|
|**Ambient operating temperature**|–30 °C ... +85 °C6)|
|**Ambient storage temperature**|–40 °C ... +85 °C|
|**Housing material**|Plastic, PBT|
|**Housing length**|86 mm|
|**Thread length**|47 mm|
|**Tightening torque, max.**|≤ 2.6 Nm|
|**Items supplied**|Mounting nuts (plastic)|
|**UL File No.**|NRKH.E191603|



1) Of Ub. 

2) At Ia max. 

3) Without load. 

4) Of Sr. 

5) Ub and Ta constant. 

6) +120 °C short time, at the front of the sensor. 

## Reduction factors 

|**Note**|The values are reference values which may vary|
|---|---|
|**Metal**|1|
|**Water**|1|
|**PVC**|Approx. 0.4|
|**Oil**|Approx. 0.25|
|**Glass**|0.6|
|**Ceramics**|0.5|
|**Alcohol**|0.7|
|**Wood**|0.2 ... 0.7|



**2017-05-05 09:40:14 | Online data sheet Subject to change without notice** 

**PROXIMITY SENSORS | SICK** 

**3** 

**CM18-12NPP-EW1 | CM** CAPACITIVE PROXIMITY SENSORS 

## Installation note 

|**Remark**|Associated graphic see "Installation"|
|---|---|
|**A**<br>**B**|18 mm<br>36 mm|
|**C**<br>**D**|18 mm<br>36 mm|
|**E**|24 mm|



## Classifications 

|**ECl@ss 5.0**<br>**ECl@ss 5.1.4**|27270102<br>27270102|
|---|---|
|**ECl@ss 6.0**|27270102|
|**ECl@ss 6.2**|27270102|
|**ECl@ss 7.0**|27270102|
|**ECl@ss 8.0**|27270102|
|**ECl@ss 8.1**|27270102|
|**ECl@ss 9.0**<br>**ETIM 5.0**|27270102<br>EC002715|
|**ETIM 6.0**|EC002715|
|**UNSPSC 16.0901**|39122230|



Installation note Non-flush installation ot 4 Connection diagram Cd-005 brn + (L+) blk NO wht NC blu **-** (M) 

**Online data sheet | 2017-05-05 09:40:14 Subject to change without notice** 

**4** 

**PROXIMITY SENSORS | SICK** 

**CM18-12NPP-EW1 | CM** CAPACITIVE PROXIMITY SENSORS 

## Characteristic curve 

CM18, Non-flush installation 

**==> picture [186 x 157] intentionally omitted <==**

**----- Start of picture text -----**<br>
mm (inch)<br>20<br>(0.79) TOT<br>10 =Se0 0000000) 90<br>(0.39) OS<br>0 PO NZ<br>POT TAN TT<br>–10<br>(–0.39) Seee>>—<6nnSSTen<br>–20 Seeeeeeeeeen<br>(–0.79) Oe<br>0 2 4 6 8 10 12 14<br>(0.08) (0.16) (0.24) (0.31) (0.39) (0.47) (0.55)<br>Distance in mm (inch)<br>**----- End of picture text -----**<br>


Dimensional drawing (Dimensions in mm (inch)) 

CM18, non-flush, cable 

**==> picture [164 x 89] intentionally omitted <==**

**----- Start of picture text -----**<br>
86 (3.39)<br>70 (2.76)<br>LED<br>15<br>8 (0.31) (0.59)<br>J t _<br>M18 x 1 x 47<br>**----- End of picture text -----**<br>


## Recommended accessories 

Other models and accessories www.sick.com/CM 

|a|**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Universal bar clamp systems||||
||Plate N06 for universal clamp bracket, M18, Zinc plated steel (sheet), Zinc die cast<br>(clamping bracket), Universal clamp (5322626), mounting hardware|BEF-KHS-N06|2051612|
||Plate N06N for universal clamp bracket, M18, Stainless steel 1.4571 (sheet), Stainless<br>steel 1.4408 (clamp), Universal clamp (5322626), mounting hardware|BEF-KHS-N06N|2051622|
|Mounting brackets and plates||||
||Mounting plate for M18 sensors, steel, zinc coated, without mounting hardware|BEF-WG-M18|5321870<br>~~_~~|
|<|Mounting bracket for M18 sensors, steel, zinc coated, without mounting hardware|BEF-WN-M18|5308446<br>~~_~~|



**2017-05-05 09:40:14 | Online data sheet Subject to change without notice** 

**PROXIMITY SENSORS | SICK** 

**5** 

**CM18-12NPP-EW1 | CM** CAPACITIVE PROXIMITY SENSORS 

||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Terminal and alignment brackets||||
||Clamping block for round sensors M18, without fixed stop, plastic (PA12), glass-fiber re-|BEF-KH-M18|2051481|
||inforced, mounting hardware included|||
||Clamping block for round sensors M18, with fixed stop, plastic (PA12), glass-fiber rein-|BEF-KHF-M18|2051482|
||forced, mounting hardware included|||



**Online data sheet | 2017-05-05 09:40:14 Subject to change without notice** 

**6** 

**PROXIMITY SENSORS | SICK** 

## SICK At A GlAnCe 

SICK is one of the leading manufacturers of intelligent sensors and sensor solutions for industrial applications. A unique range of products and services creates the perfect basis for controlling processes securely and efficiently, protecting individuals from accidents and preventing damage to the environment. 

We have extensive experience in a wide range of industries and understand their processes and requirements. With intelligent sensors, we can deliver exactly what our customers need. In application centers in Europe, Asia and North America, system solutions are tested and optimized in accordance with customer specifications. All this makes us a reliable supplier and development partner. 

Comprehensive services complete our offering: SICK lifetime Services provide support throughout the machine life cycle and ensure safety and productivity. 

For us, that is “Sensor Intelligence.” 

## WOrldWIde preSenCe: 

Contacts and other locations www.sick.com 

SICK AG | Waldkirch | Germany | www.sick.com 



## Links

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- [Supplier page](https://es.farnell.com/sick-optic-electronic/cm18-12npp-ew1/capacitive-sensor-12mm-10-36vdc/dp/2776993)
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