The right scanning system for each type of material.
The current position of the web is the basis. It is captured by one or more sensors as actual position.
Ultrasonic Sensors (US) : The scanning of the web edge is realized contact-lessly by ultrasound.
Optical Sensors (IR) : Non-contact scanning of the web edge is carried out by light.
Contrast Sensors (CLS Pro CCD Pro) : The non-contact scanning of the web material is carried out by detecting optical contrasts