Quadra promises you the latest generation of optical sorting machines for grains from IST. Our machines utilize the latest trichromatic and FULL COLOR technology to detect more than 16 million colors and defects as small as 0.09 mm. Our technologies surpass the human eye's capabilities and provide outstanding accuracy in sorting by shape, size, color, and defects dry grains, seeds, pulses, oil seeds, and other granular products. Our machines are available in 6 different sizes giving you the flexibility to choose a machine that matches your sorting requirements and can process up to 25 tons/h of grains.