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Detection of Contrast Marks on Foils via Contrast Sensors 1

Detection of Contrast Marks on Foils via Contrast Sensors 2

Detection of Contrast Marks on Foils via Contrast Sensors 3

Detection of Contrast Marks on Foils via Contrast Sensors 4

Detection of Contrast Marks on Foils via Contrast Sensors 5

Detection of Contrast Marks on Foils via Contrast Sensors

Packaging for loose products, granules or difficult-to-process products is produced in vertical packaging machines (VFFS). To ensure that a product line has the same package size, contrast marks, also known as print marks, are applied to the foil material. Contrast sensors detect the contrast marks and can thus control the packaging process by sealing. This ensures consistent quality and package size.

Contrast Sensors

Contrast sensors with switching or analog output measure the brightness of objects. Sensors with switching output compare the brightness level with a reference value in order to detect contrast marking, for example. Sensors with analog output provide the measured brightness as a proportional voltage signal in order to monitor brightness curves, for example.

Matching Products

The products listed here are ideal for use in this application.

P1PW003 Contrast Sensor

Range 30...40 mm Housing Cuboid compact Light Source White Light Speed 50 kHz Output PNP Circuit NC+NO

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P1PW004 Contrast Sensor

Range 30...40 mm Housing Cuboid compact Light Source White Light Speed 50 kHz Output NPN Circuit NC+NO

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P1PW001 Contrast Sensor

Range 30...40 mm Housing Cuboid compact Light Source White Light Speed 50 kHz Output PNP Circuit NC+NO

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P1PW006 Contrast Sensor

Range 30...40 mm Housing Cuboid compact Light Source White Light Speed 50 kHz Output NPN Circuit NC+NO

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P1PW005 Contrast Sensor

Range 30...40 mm Housing Cuboid compact Light Source White Light Speed 50 kHz Output PNP Circuit NC+NO

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