Leuze KRT18BM.H2/GCT-M12 Contrast Sensor
Leuze KRT18BM.H2/GCT-M12 contrast sensor offers 13 mm operating range, RGB LED illumination, focused beam path, and light dark switching capability. Manufactured by Leuze, this Leuze Contrast Sensor belongs to the KRT Series and features 15,000 Hz switching frequency, M12 5-pin metal connector, bar graph LED display, multiturn potentiometer control, and IP67/IP69K protection.
| Brand | Leuze |
| Product Type | Contrast Sensor |
| Product | KRT18BM.H2/GCT-M12 |
Leuze KRT18BM.H2/GCT-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 | - |
| Operating range | 13 mm ± 3 mm |
| Beam path | Focused |
| Light Source | LED, RGB |
| Light spot size [at sensor distance] | 1 mm x 4 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 | 1 Piece(s) |
| Switching output | Transistor, Push-pull |
| Switching principle | Light/dark switchable |
| Switching frequency | 15,000 Hz |
| Response time | 300 ms |
| Con:1 Function | Signal IN Signal OUT 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 | Multiturn potentiometer |
| Ambient temperature, operation | -40 ... 60 °C |
| Ambient temperature, storage | -40 ... 70 °C |
| Degree of protection | IP 67 IP 69K |
The KRT18BM.H2/GCT-M12 Leuze Light/dark Switchable Contrast Sensor is designed for consistent contrast detection in industrial automation systems. The KRT18BM.H2/GCT-M12 operates with a 13 mm operating range, uses an RGB LED light source, and applies a focused beam path with 15,000 Hz switching frequency. It belongs to the KRT Series and integrates into standardized optical sensing applications.
This contrast sensor is commonly used in packaging lines, conveyors, labeling machines, and automated assembly equipment. Light and dark switchable operation allows reliable contrast recognition on varying materials and print surfaces. The focused beam path and stable output behavior support accurate detection at high process speeds.
The KRT18BM.H2/GCT-M12 reflects Leuze’s approach to durable industrial sensor design. Its metal housing, IP67 and IP69K protection, and controlled optical performance ensure reliable operation in harsh environments. As part of the KRT Series, it provides dependable contrast sensing suitable for long-term industrial automation use.
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