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Spectral Confocal Displacement Sensor

Spectral Confocal Displacement Sensor

Spectral confocal displacement sensors provide a premium solution for precise distance and thickness measurement without touching the target object. Using advanced light spectrum technology, these sensors reach sub-micron accuracy and a resolution of 0.006μm. They are work on difficult surfaces including clear glass, mirrored metals, and rough materials.

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SCI Series
  • Spot size(μm) (μm)

  • Working distance(mm) (mm)

  • Measuring range(mm) (mm)

  • Resolution(μm) (μm)

  • Linearity(μm) (μm)

  • Angle characteristic

  • Minimum measurable transparent object thickness(μm) (μm)

  • Product Status

Model Spot size(μm) (μm) Working distance(mm) (mm) Measuring range(mm) (mm) Resolution(μm) (μm) Linearity(μm) (μm) Angle characteristic Minimum measurable transparent object thickness(μm) (μm) Product Status Compare Favorites
SCI20011 55/115 70 20 0.025 ±2.2 ±11° 660 Published
SCI10015 19.2/40.3 40 10 0.012 ±1.6 ±15° 300 Published
SCI04020 16/32 40 4 0.006 ±0.8 ±20° 130 Published
SCI04025 12/25.2 16 4 0.006 ±0.8 ±25° 130 Published
SCI03560 5.8/12.2 12.8 3.5 0.006 ±0.7 ±60° 150 Published
SCI01236 55/115 25 1.2 0.006 ±0.24 ±36° 35 Published
SCI01045 7.1/14.9 10 1 0.006 ±0.2 ±45° 30 Published
SCI00532 7/14 25 0.5 0.006 ±0.2 ±32° 20 Published

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FAQs

  • 1. What is a Spectral Confocal Displacement Sensor, and how does it work?

    A spectral confocal sensor is a high-precision, non-contact measuring device that uses the principle of chromatic aberration to determine distance or thickness. Unlike standard laser sensors that use a single focal point, spectral confocal technology splits white light into a spectrum of colors, each focusing at a different distance. The sensor identifies the specific wavelength (color) reflected back to calculate the exact position of the target with sub-micron resolution.

  • 2. What makes the SCI Series better than traditional laser sensors?

    The SCI Series excels in "difficult" measurement scenarios where laser triangulation often fails:

    1. Material Versatility: It accurately measures transparent, highly reflective (mirrored), and very rough surfaces.

    2. Steep Angles: It supports a maximum reflection angle of ±60°, allowing for the measurement of high-curvature or slanted surfaces.

    3. No Shadowing: Because the light source and receiver are on the same axis (coaxial), it can measure deep holes and narrow gaps without the "shadowing" effect seen in laser triangulation sensors.

  • 3. Which industries benefit most from SinceVision Spectral Confocal technology?

    SCI Series is widely used in sectors requiring high-precision sub-micron data:

    1. Consumer Electronics: Laptop keyboard flatness and curved screen edge detection.

    2. Semiconductors: Wafer flatness, thickness detection, and laser scribing guidance.

    3. New Energy: Electrode tab thickness on coating rollers and solar panel gap detection

    4. Glass & Film: Thickness detection of flexible multilayer glass and sealing parts.

  • 4. Can the SCI Series measure the thickness of transparent layers?

    Yes. SinceVision SCI sensors are specifically designed for multi-layer thickness measurement. By capturing reflections from both the top and bottom surfaces of a transparent material, the sensor can calculate the absolute thickness of glass, films, and coatings with micron-level accuracy.

  • 5. What is the maximum sampling speed of the SCI Series?

    SCI Series offers an ultra-high sampling frequency of up to 33kHz. This makes it one of the fastest spectral confocal sensors in the industry, ideal for real-time quality inspection on high-speed automated production lines.

    Note: When operating at 20kHz or 33kHz, the measuring range is typically shortened to 80% and 40% of the original range, respectively.

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