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New technology for reliable web break detection

web detectionIt’s no secret that the web break detectors available in the market today do not function 100% reliably in single-tier dryer sections. They cause problems, e.g., if there is too little color contrast between the paper web and the dryer fabric. In addition, false detections occur with transparent paper webs, for example with low basis weight or with high moisture content.

Thus with OnC WebDetect, Voith paper has developed a more reliable solution. The measuring principle of the sensor is based on a spectroscopic procedure that takes into consideration the special optical characteristics of the paper web and the dryer fabric.

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