Desktop Type High-Speed Vacuum Currency Counter with Accuracy: The Key to Strapped Banknote Verification. The FL-500 is a fast and accurate desktop vacuum currency counter designed with a robust build and strong construction. Its high-performance vacuum system facilitates the counting of banknotes of various conditions, ranging from old to mint. Equipped with a large LED display for operators and a pole display for customers, the counting process is transparent for both parties. Standard features such as free count, batch function, and add function make it an ideal choice for high-volume counting needs.