Leuze KRT18BW.HS5/L6T-M12 Contrast Sensor
The Leuze KRT18BW.HS5/L6T-M12 contrast sensor provides 13 mm operating range, white LED illumination, and IO-Link interface for fast industrial detection. Manufactured by Leuze, this Leuze Contrast Sensor belongs to the KRT Series and supports 22,000 Hz switching frequency, 12–30 V DC supply, push-pull transistor outputs, light and dark switching logic, M12 metal connector, bar graph LED display, and IP67/IP69K protection.
| Brand | Leuze |
| Product Type | Contrast Sensor |
| Product | KRT18BW.HS5/L6T-M12 |
Leuze KRT18BW.HS5/L6T-M12 Contrast Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Design | Cubic |
| Dimension (W x H x L) | 15 mm x 47 mm x 32.5 mm |
| Special version | Short response time Teach input |
| Operating range | 13 mm ± 3 mm |
| Beam path | Focused |
| Light Source | LED, White |
| Light spot size [at sensor distance] | 1 mm x 4 mm [13 mm] |
| Light spot orientation | Horizontal |
| Type of light spot geometry | Rectangular |
| Light beam exit | Front |
| Wavelength | - |
| Supply voltage UB | 12 ... 30 V, DC |
| Number of teach inputs | 1 Piece(s) |
| Number of digital switching outputs | 2 Piece(s) |
| Switching output | Transistor, Push-pull |
| Switching principle | IO-Link / light switching (NPN) / dark switching (PNP) |
| Switching frequency | 22,000 Hz |
| Response time | 300 ms |
| Con:1 Function | Data interface Signal OUT Teach input Voltage supply |
| Type of connection | Connector |
| Thread size | M12 |
| Type | Male |
| Material | Metal |
| No. of pins | 5-pin |
| Housing material | Metal |
| Housing color | Silver |
| Type of fastening | Front mounting with thread Through-hole mounting Via optional mounting device |
| Type of display | Bar graph LED |
| Operational controls | Button(s) |
| Ambient temperature, operation | -40 ... 60 °C |
| Ambient temperature, storage | -40 ... 70 °C |
| Degree of protection | IP 67 IP 69K |
The KRT18BW.HS5/L6T-M12 Leuze IO Link Interface Contrast Sensor is designed for high-speed contrast detection in industrial automation systems. This KRT18BW.HS5/L6T-M12 model operates with a 13 mm operating range and uses a white LED light source for stable contrast evaluation. It integrates an IO-Link interface, supports 22,000 Hz switching frequency, and operates on a 12–30 V DC supply. As part of the KRT Series, it enables consistent digital communication and precise signal control.
In industrial applications, the KRT18BW.HS5/L6T-M12 is used on conveyors, packaging machines, labeling systems, and automated assembly lines. IO-Link connectivity allows parameterization, diagnostics, and process monitoring from the control level. The focused beam path and fast switching support accurate detection of print marks, contrast changes, and surface differences on moving products.
The KRT18BW.HS5/L6T-M12 reflects Leuze’s structured approach to smart sensor integration. Its IP67 and IP69K protection ratings allow operation in washdown and harsh environments. With an M12 metal connector, bar graph LED display, button-based operation, and reliable electrical characteristics, this Leuze IO Link Interface Contrast Sensor is suitable for long-term industrial automation use.
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