A counting scale ‌ is an electronic scale that can automatically identify and calculate the quantity of items in the same unit of weight. Its working principle is to preset the weight of individual items and then calculate the quantity of items based on the total weight. Electronic counting scales are usually equipped with a counting mode. Before use, users need to ensure that the electronic scale has been correctly set to the counting mode and preset the weight of individual items. After that, place the item to be tested on the scale pan, and the electronic scale will automatically calculate the quantity of the item and display it on the screen.