Sick KTM-LN22182P Contrast Sensor
Sick KTM-LN22182P Contrast Sensor features ≤50 mm sensing distance, 680 nm red laser light source, and small housing design, and the KTM-LN22182P belongs to the Sick Contrast Sensor range within the KT series from Sick, supporting 10–30 V DC supply voltage, 0.125 ms response time, NPN switching output, IP67 enclosure rating, Ø 1.7 mm round light spot, teach-in button adjustment, cable with M12 male connector 4-pin (0.3 m), 12 x 31.5 x 21 mm dimensions, and –20 °C to +45 °C operating temperature.

| Brand | Sick |
| Product Type | Contrast Sensor |
| Product | KTM-LN22182P |
Sick KTM-LN22182P Contrast Sensor – Technical Specifications
| Specification | 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 |
| Wave length | 680 nm |
| Light spot size | Ø 1.7 mm (50 mm) |
| Light spot direction | Round |
| Adjustment | Teach-in button |
| Supply voltage | 10 V DC ... 30 V DC |
| Response time | 0.125 ms 4) |
| Switching output | NPN |
| Switching mode | Light/dark switching |
| Enclosure rating | IP67 |
| Connection type | Cable with M12 male connector, 4-pin, 0.3 m |
| Ambient operating temperature | –20 °C ... +45 °C |
The KTM-LN22182P Sick Round 680 nm Wavelength Contrast Sensor is a KT series device engineered for precise optical contrast detection in industrial automation systems. It operates with a ≤50 mm sensing distance and uses a 680 nm red laser to generate a Ø 1.7 mm round light spot. The sensor supports 10–30 V DC supply voltage and provides 0.125 ms response time for fast switching performance. Sick KTM-LN22182P includes NPN switching output and IP67 enclosure protection for industrial conditions.
In packaging, printing, and conveyor-based automation lines, the KTM-LN22182P ensures reliable detection of registration marks and color contrasts. The round laser light spot improves detection stability at longer sensing distances, while the teach-in button simplifies setup and alignment. Its compact 12 x 31.5 x 21 mm housing allows integration into limited machine spaces.
The KTM-LN22182P Sick Round 680 nm Wavelength Contrast Sensor is part of the Sick KT series designed for continuous industrial operation. With an operating range of –20 °C to +45 °C and IP67 protection, it maintains performance in dusty or moisture-prone environments. Sick provides consistent contrast sensing suitable for demanding industrial automation applications.

