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The array sensor operates according to the scanning principle. It detects even the slightest grey value differences within its field of view. The positioning of, for example, a web of paper on the basis of the web edge or using a contrast line is merely one application amongst many examples. Widths, diameters and gaps can also be detected. The extremely compact, rugged metal housings permit their use in highly restricted or problematic locations.
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AT20
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The new sensor for web guidance and diameter detection
- Proximity contrast line sensor in a compact housing
- Available in diffuse mode, making it ideal for harsh environments where dirt and dust can interfere with retro-reflective sensors
- Detection of edges, e.g., for web guiding
- Detection of diameter, gaps and widths of objects
- Very high repeatability of 30 µm
- Large measurement range: 30 mm
- Visible light spot to enable accurate alignment
- No teach-in, no adjustments necessary
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