CM18-08BNP-EW1 Capacitive Proximity Sensor by SICK

Selling Points

1Precise Detection Range: Detects objects within 3 to 8 mm with high accuracy.
2IP68 Rating: Ensures reliable operation in harsh environments with an IP68 rating.
3Adjustable Sensitivity: Allows for customization of sensitivity through a potentiometer.
4Wide Operating Temperature: Functions effectively from -30°C to +85°C.
5Long-Lasting Performance: Designed with a maximum operating current of 0.2A for extended usage.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Housing	Metric	Thread size	M18 x 1
Diameter	Ø 18 mm	Sensing range Sn	3 mm ... 8 mm
Safe sensing range Sa	6.12 mm	Installation type	Flush
Switching frequency	50 Hz	Connection type	Cable, 4-wire, 2 m
Switching output	NPN	Output function	Complementary
Output characteristic	Wire configurable	Electrical wiring	DC 4-wire
Adjustment_Potentiometer	Sensitivity (11 turns)	Enclosure rating	IP683)#!#IP69K
Items supplied	Mounting nut, PA12 plastic (2x)#!#Screwdriver for potentiometer adjustment (1 x)	Supply voltage	10 V DC ... 36 V DC
Ripple	≤ 10 %	Voltage drop	≤ 2.5 V DC
Current consumption	12 mA	Time delay before availability	≤ 200 ms
Hysteresis	3 % ... 20 %	Reproducibility	≤ 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	✔	Power-up pulse protection	✔
Shock and vibration resistance	According to EN 60068	Ambient operating temperature	–30 °C ... +85 °C
Ambient temperature, storage	–40 °C ... +85 °C	Housing material	Plastic, PBT
Housing length	81 mm	Thread length	55 mm
Tightening torque, max.	≤ 2.6 Nm	UL File No.	NRKH.E191603
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	Remark	Associated graphic see "Installation"
B	18 mm	C	18 mm
D	24 mm

Specifications may be subject to change without notice