Leuze KRT18BW.HT5/L6T-M12 Contrast Sensor
The Leuze KRT18BW.HT5/L6T-M12 contrast sensor delivers 13 mm operating range, white LED illumination, and IO-Link connectivity for industrial automation. Manufactured by Leuze, this Leuze Contrast Sensor belongs to the KRT Series and supports 15,000 Hz switching frequency, 12–30 V DC supply, push-pull transistor outputs, automatic signal tracking via teach input, M12 5-pin metal connector, bar graph LED display, and IP67/IP69K protection.
| Brand | Leuze |
| Product Type | Contrast Sensor |
| Product | KRT18BW.HT5/L6T-M12 |
Leuze KRT18BW.HT5/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 | Teach input Tracking for automatic signal tracking |
| 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 | 15,000 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.HT5/L6T-M12 Leuze M12 5-pin Connection Contrast Sensor is designed for reliable contrast detection in industrial automation systems. This KRT18BW.HT5/L6T-M12 model operates with a 13 mm operating range and uses a white LED light source for stable detection of contrast variations. It integrates an IO-Link interface, provides push-pull transistor outputs, and operates on a 12–30 V DC supply. As part of the KRT Series, it supports consistent digital communication and signal stability.
In industrial applications, the KRT18BW.HT5/L6T-M12 is commonly used on conveyors, packaging machines, labeling equipment, and automated assembly lines. Automatic signal tracking via teach input helps maintain detection accuracy despite material or contrast changes. The focused beam path and stable switching behavior support repeatable detection of print marks and surface contrasts in continuous production environments.
The KRT18BW.HT5/L6T-M12 reflects Leuze’s structured engineering approach for smart contrast sensors. With IP67 and IP69K protection, it is suitable for washdown and harsh operating conditions. The M12 5-pin metal connector, bar graph LED display, and button-based operation support reliable installation and monitoring, making this Leuze M12 5-pin Connection Contrast Sensor suitable for long-term industrial automation use.
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