RETSCH offer the most comprehensive range of sieve shakers world-wide, providing the ideal instrument for any type of material, from agglomerating powders to pebble stones. The new vibratory sieve shaker AS 450 basic (Fig.) now enhances the product range by a budget priced model for sieving large quantities up to 15 kg. The siever accepts sieve diameters up to 450 mm and covers a measuring range from 25 µm to 125 mm. Time and amplitude are digitally set, ensuring the reproducibility of the sieving process. The AS 450 basic is the economical solution for users who need to sieve larger amounts of dry material with reliable results. For more demanding requirements such as calibration certificate, wet sieving or processing up to 25 kg of sample material, the AS 450 control is the sieve shaker of choice.