Presence/absence detection inspection is used to confirm the quantity or the presence/absence of parts or components on a target. There is a considerable variety of presence inspection used in machine vision

Application:

• Verification of clips, screws, springs, components and parts in place


• Counting components in pallets


• Verifying the presence of products in packages


• Monitoring the appearance of labels, marks, print and seals


• Confirming the presence of electronic components on PCBs


• Proving the existence of screws/washers for securing parts


• Verifying the presence of adhesive beads