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LEUZE 50148492 KRT3CM.L3S24T-M8 is a high-precision RGB contrast sensor designed for detecting subtle color and contrast differences in packaging, labeling, and print automation. It features a focused beam, teach-in function, and compact housing for tight installations.

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🎯 LEUZE KRT3CM.L3S24T-M8 Contrast Sensor – Model 50148492

The KRT3CM.L3S24T-M8 contrast sensor from LEUZE’s 3C series offers fast, accurate detection of contrast marks and color transitions using a pulsed RGB LED light source. With a 14.5 mm fixed focus and rectangular light spot, it excels in high-speed packaging and labeling lines.

🔧 Technical Specifications

Attribute	Value
Part Number	50148492
Series	3C
Sensor Type	Contrast sensor
Light Source	RGB LED (470 nm Blue, 525 nm Green, 640 nm Red)
Operating Range	14.5 mm ± 2 mm
Light Spot Size	1.5 mm × 4 mm at 14.5 mm distance
Light Spot Geometry	Rectangular, vertical orientation
Beam Path	Focused, front exit
Repeatability	≤ 0.02 mm
Teach Function	Yes (manual or remote input)
Output Type	Digital switching output
Electrical Connection	M8, 4-pin connector
Supply Voltage	12–30 V DC
Current Consumption	≤ 25 mA
Protection Circuitry	Polarity reversal and short-circuit protected
Ambient Temperature Range	–25°C to +60°C
Protection Class	IP67
LED Classification	Exempt group (EN 62471)

Sources:

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✅ Application Areas

• Packaging and labeling: Detecting registration marks and color transitions
• Print automation: Verifying contrast between ink and substrate
• Food and pharma: Ensuring correct label placement and orientation
• Assembly lines: Monitoring part presence via contrast detection

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🔁 Integration Notes

• Mounting: Compact housing allows installation in narrow machine zones
• Signal tuning: Teach-in function enables adaptive contrast thresholding
• Wiring: M8 connector simplifies plug-and-play integration with control systems