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THICKNESS OF POLYETHYLENE FILMS
DISPLACEMENT SENSORS FOR MEASURING POLYETHYLENE THICKNESS
THICKNESS OF POLYETHYLENE FILMS MAY BE MEASURED BY CONFOCAL DISPLACEMENT SENSORS
The thickness of polyethylene films may be measured in-line by using confocal displacement sensors. These ultra-precise sensors measure the thickness of thin, transparent sheet by simultaneously measuring both the top and bottom surfaces. The measurement probe is aimed perpendicularly to the sheet surface and the sheet must be stabilized during measurement so it’s vibration amplitude does not exceed the span of the sensor system.