High-Precision Color Mark Sensor
Accurately detect registration marks and subtle color differences on any packaging material. Featuring automatic RGB light selection for optimal contrast and ultra-fast response for high-speed printing lines.
- Smart RGB LED Tech: Automatically emits Red, Green, or Blue light to maximize the contrast between the color mark and the background for zero-miss detection.
- 50μs Ultra-Fast Response: Supports 10kHz+ high switching frequency, ensuring perfect synchronization in fast-moving form-fill-seal (FFS) machines.
- Dynamic Teach-In: Easy one-button setup. Reliable detection even on glossy, highly reflective foils, transparent films, and uneven surfaces.
High-Precision Color Mark Sensors: Advanced Contrast Detection
Our color mark sensors utilize RGB three-color LED technology to detect the slightest differences in contrast between a mark and its background. Engineered for high-speed packaging and printing lines, these sensors ensure millimetric accuracy in registration, cutting, and sorting processes under the most demanding industrial conditions.
Versatile Packaging & Printing Excellence
| Application Field | Key Use Cases | Performance Advantage |
|---|---|---|
| Flexible Packaging | Bag cutting alignment, film positioning | RGB Tech Automatically selects the best light source (R/G/B) for maximum contrast. |
| Printing Industry | Registration mark detection, overlap monitoring | Micro-Response Detects marks as small as 0.5mm at extremely high web speeds. |
| Labeling Systems | Clear label detection, label gap sensing | Gloss Immune Advanced optics handle reflective or shiny metallic foils with ease. |
| Food & Beverage | Bottle cap color sorting, fill-level marking | IP67 Protection Wash-down resistant housing suitable for hygienic environments. |
Technical Specifications (Elite Series)
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Light Source | RGB LED (Red, Green, Blue) | Supply Voltage | 12 - 24V DC ±10% |
| Sensing Distance | 10mm / 12mm / 20mm (Fixed) | Output Type | NPN/PNP Open Collector |
| Response Time | < 50 µs (Ultra-fast) | Switching Frequency | Up to 15 kHz |
| Spot Size | 1.5mm x 5mm (Rectangular) | Housing Material | PBT / Die-cast Zinc Alloy |
Why Choose Our Color Mark Technology?
🌈 Automatic Color Selection
Intelligent internal algorithms analyze the contrast and automatically toggle between Red, Green, and Blue light to ensure the highest detection reliability.
⚡ Ultra-Fast Response
With switching frequencies up to 15kHz, our sensors maintain accuracy even on high-speed production lines running at several hundred meters per minute.
🎯 Easy Teach-In Process
Simplified 2-point or dynamic "on-the-fly" teach-in allows operators to set up the sensor in seconds without stopping the machine.
🌀 Low Jitter & High Precision
Optimized optical path design minimizes signal jitter, providing a stable switching point that is critical for precise cutting and folding.
🛡️ Environmental Stability
Features built-in temperature compensation and ambient light suppression to prevent false triggers in fluctuating factory lighting.
📦 Compact Integration
Small form factor housing allows for easy installation in tight spaces where traditional sensors cannot fit.
Optimize Your Registration Accuracy Today
Tired of wasted material due to missed marks? Contact our application engineers for a tailored sensing solution.
Request a Demo UnitBest Color Marking Sensor Product
Designed to detect registration marks on any packaging material—including high-gloss foils and transparent films—our sensors ensure precise cut and seal synchronization
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Your trusted Chinese color marker sensor manufacturer
Delivering industrial-grade precision, factory-direct pricing, and global support since 2015.
Factory Direct & Custom Engineering
Our R&D team specializes in RGB tricolor source technology and high-speed processing algorithms to ensure superior detection on challenging materials like metallic foils and transparent films. We offer flexible customization for light spot size, response frequency, and output modes (NPN/PNP) to perfectly integrate with your specific VFFS or labeling machinery.
Rigorous Quality Control Standards
Every color mark sensor undergoes strict testing protocols, including contrast sensitivity calibration, “teach-in” function verification, and high-speed response testing before shipment. We strictly enforce ISO 9001 standards to guarantee durability against machine vibration, paper dust accumulation, and temperature fluctuations in harsh packaging environments.
Expert Application Support & Rapid Replacement
In high-speed packaging, a sensor failure means costly downtime and material waste. We provide a 2-year warranty and direct access to engineers who can guide you through complex contrast “teach-in” settings on metallic foils or transparent films. We keep a massive stock of standard RGB models ready for immediate DHL/FedEx dispatch to ensure your production line never stops.
Free Sample Qualification Program
Not sure about detection stability on your specific films? Request a free sample to test on your packaging lines before bulk ordering
Step 1: Submit Requirements
Send us your current sensor model (e.g., Datalogic/Sick) or describe your packaging material (e.g., aluminum foil, transparent film). Our engineers will select the ideal RGB model for you.
Step 2: Same-Day Dispatch
We keep ample stock of standard RGB sensors. Once confirmed, we dispatch the test units within 24 hours via DHL/FedEx to ensure you get them fast.
Step 3: On-Site Validation
Install the sensor on your VFFS or printing machine. Verify the "teach-in" ease, spot alignment, and detection stability directly on your production line with zero risk.
XSZ sensor video display
Global Hub for High-Speed Color Mark & Contrast Sensors
Since 2015, XSZ has specialized in the R&D of advanced optical contrast detection. From our 5,000m² smart manufacturing base, we engineer Color Mark Sensors featuring 3-color RGB LED technology. Designed specifically for the packaging and printing industries, our sensors provide the ultra-fast 15kHz switching frequency and microsecond response times required for precise registration mark detection on foils, plastics, and metallic surfaces. We bridge the gap between high-end performance and factory-direct affordability.
Certification
We have passed TUV’s CE certification, ROHS certification, FDA certification, ETL CSA certification, and comply with European and American standards.
Client Success Stories
From high-speed labeling to complex printing registration, our color mark sensors are the preferred choice for engineers demanding millisecond precision.
"Our vertical form-fill-seal machines run at extreme speeds, and we previously struggled with registration drift. Switching to the XSZ 15kHz Color Mark Sensor was a turning point. The microsecond response time keeps our cutting alignment perfect even on high-gloss film. Zero wasted material since installation."
"Detecting a yellow mark on a white background used to be impossible for our old sensors. The XSZ sensor's automatic RGB light selection handles the low contrast effortlessly. We also appreciate the dynamic teach-in feature, which allows my team to calibrate the line without stopping production."
"As an integrator for pharmaceutical labeling, precision is non-negotiable. We integrated these contrast sensors for detecting small registration marks on reflective metallic foils. The signal stability and immunity to ambient light interference are far superior to the high-cost European brands we used before."
