Leuze KRT21M-09.PL3/42-M12

Leuze KRT21M-09.PL3/42-M12 | Contrast Sensor | 9 mm Range | RGB Light | PNP/NPN Output | M12 Connector | IP67

Overview

The Leuze KRT21M-09.PL3/42-M12 is a high-speed contrast sensor designed for detecting print marks and subtle color differences with extreme precision. It utilizes a powerful RGB LED light source, automatically selecting the optimal color channel to maximize contrast. With a detection range of 9 mm, PNP/NPN switchable output, and M12 5-pin connector, it provides fast and reliable performance in demanding automation and packaging environments. The IP67-rated housing ensures robust protection against dust and moisture.

Key Features

• Sensing Type: Contrast detection

• Detection Range: Up to 9 mm

• Light Source: RGB LED (automatic channel selection)

• Output Type: PNP/NPN (configurable), light/dark switching

• Response Time: ≤ 50 µs

• Switching Frequency: Up to 10 kHz

• Connector: M12, 5-pin male

• Housing: Compact rectangular design

• Protection Class: IP67

• Teach Function: Manual and remote setup

Technical Specifications

• Model Number: KRT21M-09.PL3/42-M12

• Sensor Type: Contrast sensor

• Repeat Accuracy: ≤ 0.1 mm

• Operating Voltage: 10–30 V DC

• Adjustment: Teach-in via button or remote input

• Status Indicators: LEDs for signal quality and status

• Operating Temperature: -20°C to +60°C

• Housing Material: Plastic

• Certifications: CE, cULus

Applications

• Print mark and label detection

• Packaging and labeling machines

• High-speed sorting and registration tasks

• Color contrast recognition in production lines

• Automated printing and converting systems

Why Choose the KRT21M-09.PL3/42-M12

• Ultra-Fast Response: 50 µs for high-speed processes

• Reliable Detection: RGB technology auto-optimizes light channel

• Flexible Integration: PNP/NPN and light/dark configurable output

• Compact & Durable: Ideal for tight spaces and tough conditions

• Versatile Use: Optimized for print mark and color contrast tasks

Order Now

The Leuze KRT21M-09.PL3/42-M12 contrast sensor is available and ships worldwide.

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply