High-Performance KTM-LN22181P Contrast Sensor by SICK

Selling Points

1High accuracy with a response time of 125 µs.
2Robust design with a stainless steel housing.
3Versatile applications in packaging, print mark detection, and label alignment.
4Reliable detection of contrast marks on glossy and reflective surfaces.
5Compact size with dimensions of 12 mm x 31.5 mm x 21 mm.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Dimensions (W x H x D)	12 mm x 31.5 mm x 21 mm	Sensing distance	≤ 50 mm
Sensing distance tolerance	± 30 mm	Housing design	Small
Light source	Laser, red	Laser class	I
Wave length	680 nm	Light emission	Long side of housing
Light spot size	Ø 1.7 mm (50 mm)	Light spot direction	Round
Receiving filters	None	Max. web speed	10 m/s
Adjustment	Teach-in button	Teach-in mode	2-point teach-in static/dynamic + proximity to mark#!#ET: Teach-in dynamic
Supply voltage	10 V DC ... 30 V DC	Ripple	≤ 5 V
Current consumption	< 35 mA	Switching frequency	4 kHz
Response time	125 µs	Jitter	57 µs
Accuracy	0.08 mm	Switching output	NPN
Switching output (voltage)	NPN: HIGH = approx. U#!#/ LOW ≤ 2 V	Switching mode	Light/dark switching
Output current Imax.	100 mA	Input, dynamic teach-in (ET)	NPN: Teach: U < 2 V#!#NPN: Run: UV- 2 V or open
Retention time (ET)	250 ms	Time delay	None
Connection type	Male connector M8, 4-pin	Protection class	III
Circuit protection	UVconnections, reverse polarity protected#!#Output Q short-circuit protected#!#Interference pulse suppression	Enclosure rating	IP67
Weight	Approx. 11 g	Housing material	ABS
Optics material	PMMA	Indication	LED indicator green: power on#!#LED indicator, yellow: Status switching output Q
Connection type	Male connector M8, 4-pin	Pinouts_BN 1	+ (L+)
Pinouts_WH 2	ET	Pinouts_BU 3	- (M)
Pinouts_BK 4	Q

Specifications may be subject to change without notice