The Smart Grader READER has been developed to easily take samples. All tuber and bulb shaped crops such as potatoes and onions are registered and measured quickly and precisely by a 3d camera. The results appear directly on the screen of smartphone on laptop and can therefore be easily shared or stored. The Smart Grader READER counts the tubers or bulbs, measures the height, length, width of each individual tuber/bulb and then calculates the square size and weight. The READER only needs 20 seconds for a sample of about 10 kg. And the machine is so compact that it can be used anywhere, even in the field. Sampling of crop can not be easier and more accurate.