Copycounter 3 mounted on a gripper conveyor:

Even I found it difficult to believe that any sensor could get an accurate reading at this position. The CC3 is vibrating on an extended bar over copy that is gaily flapping in the breeze. Using a count verification process it was found that the CC3 never missed a copy.

Notice the display in the background?

The large LED totaliser display in the background indicates job count. GNG Systems supply a comprehensive range of displays that are designed to inform staff of machine performance and job progress. Check out their web site.