Color Mark Sensor Adjustment Methods

Color mark sensors are widely used in automated production lines and robotic systems to detect and identify colors. Proper adjustment and calibration ensure accuracy and stability. This article covers basic principles, adjustment methods and precautions.

1. Basic principle

Color mark sensors consist of a light source, an optical receiver and signal processing. The sensor analyzes reflected light wavelengths to identify color.

2. Adjustment methods

• Ambient light calibration: ensure stable lighting and use a standard white light source for calibration.

• Distance adjustment: set sensor-to-mark distance according to specifications to keep within optimal detection range.

• Threshold setting: adjust sensitivity thresholds manually or automatically to suit the application.

• Calibrate with standard color marks: use known color standards to align sensor outputs.

• Regular checks and recalibration: perform periodic calibration to compensate for environmental changes and long-term drift.

3. Precautions

- Avoid strong specular reflections; use shading when necessary.

- Consider temperature effects and clean optics regularly.

- Follow the product manual for safe and correct operation.

By following these steps, you can improve the performance and reliability of color mark sensors and ensure stable detection in production environments.