January 2011
Over The Wire Tissue Edition
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Voith Launches Non-Radioactive Sensor for Tissue Production

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Voith Paper, Germany, recently introduced its latest sensor innovation for tissue production—the LSC TecoSens. The new sensor provides simultaneous online measurement of fiber weight and moisture based on an infrared spectroscopic measurement. It allows fiber weight and moisture measurement to be done with just one sensor and without the need of radioactive sources.

With the absence of radioactivity, Voith explains, there is no need for special training of the service and maintenance staff. It also eliminates the health risk of working next to the radioactive sources. Furthermore, it creates no need to replace the sensor from time to time due to the limited life time of the radioactive source, Voith adds.

The sensor measures the absorption of infrared light at four characteristic wavelengths. In combination with optimized optics and sophisticated algorithms, the sensor provides exceptional signal to noise ratio and sensitivity. It is only available in combination with the Voith LSC TecoScan measurement system. It is part of the Voith LSC QCS family and can be fully integrated into Voith Paper Automation's quality control and distributed control system.



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